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Review: Neptor NP028K portable battery

07/16, 12:20am

Alternative design holds enough juice to recharge a modern phone, convenient cable

If consumers need a backup battery that packs enough power for a full phone charge, configuration options are usually limited. Batteries generally come attached to another device or feature a generic flat case or a bulky design that barely fits in a pocket. But what about consumers that want something a little bit different? Neptor offers a stick design with the NP028K that packs the power requirements people need with a slightly different look. Is the Neptor NP028K good enough for consumers to consider purchasing, or does it need something else to be appealing? Find out in our review.

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Review: Tylt Energi 2K battery pack

06/27, 1:00am

Battery offers 2,000 mAh of power with an easy to read LED for capacity levels

Backup batteries are gaining ground as one of the devices that, for many users, must be carried around every day. With lives connected to smartphones and entwined with social media, many people end up facing a shortage in battery power from constant use. This means that consumers need to find a battery solution to fit their needs. But with so many options available on the market, which is the right one to choose? One possible solution is the Tylt Energi 2K. Is the 2,000 mAh battery right for all consumers? Find out in our review.

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Briefly: Bluetooth 8-driver headphones and speaker, BRV-Bank battery

06/23, 9:55pm

Life N Soul releases new Bluetooth 8-driver headphones, stereo speaker

Audio device producer Life N Soul has announced its new BE501 8 Driver Bluetooth headphones, and the BM211 Virtual Surround Bluetooth Speaker. The company's Bluetooth headphones feature Bluetooth 4.0 connectivity, and can pair with two different devices with a range of up to 30 feet. Offering built-in lossless transmission technology and dynamic surround sound, the BE501's frequency response ranges from 5Hz to 25kHz. Each ear piece bears 1pc woofer and 3pc drivers, with a total of 8 neodymium dynamic audio drivers. The headphones can hold a charge for 28 hours of play time, and 1300 hours of standby time.

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Review: Neptor NP056K portable battery

06/16, 11:20pm

High capacity battery charges two devices simultaneously through 1A, 2.1A ports

Battery backups are generally geared toward multitasking, or made with a single device in mind. Many are bundled as an additional feature to a Bluetooth speaker, focusing on sound output first and charging second. This often leaves the unit capped at how much of the battery it offers up to charging external devices. But what happens when the speaker portion is removed, and the large capacity battery is left behind? A company can create a two-port charging solution like the Neptor NP056K. But would the Neptor be a good battery on its own? Find out in our review.

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Briefly: StubHub's music app, Ibattz's waterproof battery iPhone case

06/02, 4:11pm

StubHub announces music-focused app for iOS

StubHub has launched StubHub Music (formerly ShowDrift), an iOS app focused on recommending live, local music events based on the user's existing tastes and preferences. Connecting fans with artists, StubHub Music adds personalization and social interaction to the mobile event discovery and ticket purchasing. Currently available for only the San Francisco area, users can receive notifications for when their favorite artists are in the vicinity, and receive recommendations based on their music library.

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Review: Calibre Ultra'Go nano power station

05/27, 3:35pm

Slim, durable battery takes a shot at unconventional battery indicator

Battery life is a day-to-day concern for many smartphone users who are frequently surfing the Internet, checking emails or staying connected on social media. Often a single charge for a battery isn't enough, leaving consumers looking for options to extend their device's life. So what options are left for those that don't want to spend time camped out by an electrical outlet? The flexible solution is to invest in an external battery. But what about consumers that don't want to carry around a bulky battery? In those cases, the Calibre Ultra'Go nano power station may be an option worth exploring.

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Bem Wireless releases Speaker Mojo, Bluetooth speaker with power bank

05/13, 6:57pm

Speaker charges on conductive base that houses 1800 mAh, allows device charging

Bem Wireless has announced the availability of its newest compact Bluetooth speaker, the Speaker Mojo. The 2.5-inch cube speaker from Bem builds on the previous generation of its mobile speaker, offering a bonus to its battery design. Instead of charging the speaker directly, it sits on a a base that houses a battery that doubles as a power bank for any devices that may need to be charged on-the-go.

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Sony announces Vaio Fit repairs for battery fault will begin in May

04/24, 11:40am

Repairs, refunds offered over Vaio Fit battery overheating fault

Sony has issued an update to its Vaio Fit 11A overheating warning, advising the company is starting to accept reservations for repairs from customers. Starting from May, Sony will be working with its third-party supplier, previously identified as Panasonic, in order to replace the non-removable battery inside the notebook at no charge.

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Sony warns of fire risk from non-removable Vaio Fit 11A battery

04/11, 11:29am

Panasonic-sourced battery at fault for three reported overheating incidents

Sony is warning owners of its Vaio Fit 11A notebook to stop using the computer, because of potentially hazardous battery issues. Non-removable batteries produced by Panasonic used in approximately 26,000 of the notebooks apparently have the potential to overheat, risking physical damage to the outside casting the possibility of catching fire.

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Briefly: Audiobus 2 released, Battery Diag app

04/06, 11:30pm

Auto routing software for iOS apps updated to version 2.0

Popular app-to-app audio routing solution for many iOS apps, Audiobus, has been updated to version 2.0. Initially released in 2012, Audiobus offers iOS apps the ability to communicate with each other to exchange effects and sounds, allowing users to create a single audio stream from multiple apps, simultaneously. Its latest version features Multi-Routing, which can manage multiple audio pipelines for unlimited connections or effect chaining. Audiobus display a menu for selecting a compatible app, opening and adding an effect on top of an existing one. This creates a chain of effects within the Audiobus interface, which can be combined with multi-channel input hardware support.

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Briefly: Bolt portable USB wall charger, BBC iPlayer on Chromecast

04/02, 11:25pm

Reign23 Bolt portable USB wall battery charger released

Reign23 has released its combination USB wall charger and rechargeable portable battery, Bolt. Its portable battery has a 3000mAh capacity, large enough for two full charges of an iPhone or other mobile device. Initially launched as a Kickstarter project in 2013, Bolt is small, at 2.75 inches by 1.33 inches by 1.10 inches. Its smart charge technology automatically bypasses the battery when fully charged, and is available in blue and black color options. Priced at $60, the Bolt USB Wall Charger and Battery can be purchased online.

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Briefly: Upcoming Xbox One update, Mega adds PhotoSync

02/09, 11:15pm

Xbox One update due February 11, adds battery life indicator

Microsoft's Xbox One is set to have an update released, addressing issues encountered by users since the console's launch. The update is due February 11th, featuring issue corrections regarding storage management, and the addition of a battery life indicator for the console's controller. Libraries will be split into two separate lists of 'My Games' and 'My Apps', as to simplify file searches. Also expected in the update is the added ability to use a USB keyboard with the console.

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NYT: Apple testing alternative charging methods for iWatch smart watch

02/03, 7:13am

Inductive charging, screen-mounted solar panel, movement charging touted

Apple is experimenting with alternative charging methods that could be used in the rumored iWatch, claims the New York Times. Rather than charging a smart watch by plugging a wire into a port, Apple is apparently looking into using magnetic induction charging for the device, with a solar-charging layer added to a curved glass screen also touted by report sources.

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Briefly: Braven's latest rugged gear, Scosche heart rate monitor

01/07, 6:41pm

Braven releases BRV-Bank rugged smartphone battery, BRV-X HD wireless speaker

Braven on Tuesday revealed its latest product releases: the BRV-Bank portable backup battery, and the BRV-X outdoor speaker. Both products are intended to be rugged, with both products holding an IP water-resistant rating. The Braven BRV-X is equipped with custom-made HD drivers, an omnidirectional passive bass radiator, and setting for indoor and outdoor locations. Its noise-cancelling speakerphone, USB charging capability and integrated power bank allow for versatile function, and easy pairing with NFC offers users true left and right stereo sound with a second BRV-X.

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Nikon faces complaints over aftermarket battery-blocking firmware

12/09, 12:34pm

Third-party batteries, grips not compatible with latest DSLR firmware

The latest firmware update for some Nikon digital cameras has apparently caused some unexpected issues for some owners. Reports have surfaced suggesting that the update, which is supposed to help the camera more accurately detect the remaining charge for a specific battery used on some DSLR and Coolpix cameras, is now preventing third-party batteries and battery grips from working on the cameras.

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Lawrence Berkeley improves Li/S batteries, doubles capacity of Li-ion

12/03, 5:41pm

New cells also remove conflict minerals from construction process

A team of Berkeley Lab battery researchers led by Elton Cairns has invented an improved lithium/sulfur (Li/S) cell that, for the first time with the sulfur-based technology, offers both long cycle life and a high discharge rate in addition to the inherently low cost and light weight of Li/S batteries. Tests show that the Berkeley Lab Li/S cell had an estimated specific energy of nearly 500 Wh/kg, more than double that of current Li-ion cells which run around 200 Wh/kg.

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Giveaway: SnowLizard SLPower 7 portable battery charger

11/21, 7:37am

SnowLizard SLPower 7 portable battery charger

Owning a smart phone or a tablet is great, but having the battery die while on the go is not so great. There are various ways to avoid having this happen -- one of them being a portable battery charger. SnowLizard's SLPower 7 charger provides 7000mAH of power that can be used to simultaneously charge two tablets or smartphones. Electronista has one of these to give away to our readers.

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Briefly: Jackery's newest battery, new Geneva Sound System Model XXL

11/20, 2:34pm

The Jackery Fit features three LED charge status indicators, built-in flashlight

Jackery, a producer of rechargeable battery products, has released its latest product: the Jackery Fit. A high-capacity 2.1-amp fast-charging portable battery, the Jackery Fit can charge a variety of tablets and smartphones. Featuring three LED charge status lights that indicate when the battery is fully charged, its 7500mAh provides up to 160 hours of additional operational time for a charged device. The Jackery Fit can be purchased online at the current sale price of $40, and is available in orange and silver.

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Briefly: Smart water bottle's Indiegogo, Anker debuts 2nd-gen battery

10/14, 10:37pm

BluFit Smart Water Bottle tracks water intake with app

BluFit, the smart water bottle that can track its user's water consumption, is available for pre-order pledging on Indiegogo. The glass bottle encased in a silicone sleeve notifies users to drink more water, based on a calibration of personal data such as weight, age, activity level, and more. The bottle transmits data by way of its Bluetooth LE chip to the BlueFit app, such as when and how much water was consumed.

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LG Chem starts production of curved batteries for future smartphones

10/08, 12:14pm

Cable battery production by LG to occur in coming years

LG has started mass production of curved batteries, something which it hopes to use in future smartphone designs. The new batteries will remove the need for manufacturers to design a mobile phone or tablet with a rectangular battery in mind, with the curved version seemingly being built to work alongside the also-announced curved smartphone displays.

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Briefly: JLab's 'Intro' budget headphones, Moshi launches battery pack

10/03, 8:00am

JLab's headphones feature tangle-free cord, fully rotational cups

JLab has released its new product, the Intro On-Ear Headphone, as quality budget choice for audio listening. Priced at $25, Intro is equipped with 40mm drivers and foam ear cups. Its tangle-free cable is flat, and features a gold-plated jack, universal mic and built-in track control. Fully rotational cups with custom hinges allow the user to wear, adjust and store the headphones with ease and flexibility. Buyers can purchase JLab's Intro On-Ear Headphones, available in black and white, on JLab's online store.

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Briefly: Jackery's improved battery, TrendNet's new travel router

10/01, 11:19pm

Giant+ battery offers 40 additional charging hours

Today Jackery -- a provider of rechargeable battery products for mobile devices -- announced the launch of their latest product, the Jackery Giant+. An upgraded release of the Giant, which is a battery which offers up to 220 hours of charging time for electronic devices, the Giant+ features up to 260 hours extra operational time for one's electronic device. Easily portable, the battery weighs 10.4 ounces and measures 4.3 x 3.1 x 0.8 inches. The Giant+ can charge two devices simultaneously, and retain a charge for up to six months in standby mode. Alongside the rest of the Jackery lineup, the Jackery Giant+ is available through Amazon, and is priced at $50.

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Briefly: Kensington's Proximo for Android, Jackery Bar now in black

09/18, 5:09pm

Kensington announces Proximo's Android compatibility

Today Kensington, a mobile accessories company, announced that its Proximo app-enabled accessory, originally for iOS, is now compatible with Android. The Proximo system is designed to assist users in finding one's phone, keys or valuables easily, and ensures that misplacement doesn't occur.The Bluetooth 4.0 fob attaches to a user's keys, while an attachable tag can be used with a phone or other valuable, allowing users to then receive alerts when moving out of range from the other component. Proximo's app dashboard can track up to five items, including a customizable activity proximity meter. Proximo's app version 1.6 now supports Samsung Galaxy series Android phones, as well as iPhone. Proximo's starting package is priced at $60, with additional tags and fobs priced at $25 and $40 respectively.

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Briefly: Hulu deal with BBC, New Trent PowePak Xtreme launches

09/18, 6:10am

Hulu gains 144 BBC shows in multi-year, non-exclusive deal

Hulu has signed a deal with BBC Worldwide to bring 2,000 episodes from 144 different BBC shows. The multi-year deal will bring titles such as Doctor Who, Sherlock, and Luther to the streaming service, with hundreds being made available this week. The Wall Street Journal reports that this is not an exclusive deal, due to similar arrangements with Netflix and Amazon.

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Briefly: Anker's Astro2 external battery, new Hyper iUSBport Mini

08/27, 3:30pm

External battery for mobile devices identifies type of device

Anker has announced the release of its second-generation Astro2 external battery. A high-capacity 9000mAh battery, the Astro2 is able to charge two mobile devices simultaneously. The charger has no buttons, and instead requires a brief shake to activate the battery and LED power indicator. Available for $45, the Astro2 can be purchased at Amazon.

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Briefly: Booq Viper Courier satchel, New Trent Powerpak+ battery

08/01, 8:50pm

Booq Viper Courier messenger bag launched in two sizes

Case manufacturer Booq has unveiled the new Viper courier laptop bag. The new bag is dyed and water-repelling, and the Viper has a padded laptop compartment inside so a stored computer stays protected and scratch-free. Other storage space in the form of interior pockets and an exterior backside pocket fits necessary documents, with a concealed quick-access pocket for mobile devices such as an iPhone. The bag is now available in two sizes -- the 13-inch model retails for $100, and the 15-inch model sells for $110.

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Panasonic pleads guilty to car part, notebook battery price fixing

07/21, 3:40pm

Agrees to pay $56.5M in fines, jail time for executives

Panasonic has agreed to pay $56.5 million in fines for its part in price fixing conspiracies. The US Department of Justice announced that the Japanese electronics manufacturer will plead guilty for helping fix the prices of automotive parts and battery cells, which inflated the production cost of notebooks and cars for various manufacturers.

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Briefly: New iPhone cases released from Snow Leopard, idAmerica

07/17, 12:45pm

SLXtreme accessories now available for iPhone 5 and iPad

Snow Leopard has expanded their collection of heavy-duty cases, offering waterproof protection as well as battery charge supplementing to a users' iPhone 5 and iPad. The SLXtreme case for iPhone, the SLXtreme 5, has an integrated 2250mAh battery, powered by a solar panel, doubling the battery capacity of the phone. The case is designed to be waterproof down to six feet while maintaining full functionality. SLXtreme for iPad protects the iPad 2 or later, and offers waterproof protection for underwater and splash-prone environments. Optionally available is a built-in 1150mAh battery, complete with a USB out that enables users to charge other mobile devices while on the go. Both available in Fall 2013, the SLXtreme 5 will be priced at $130, and SLXtreme iPad for $150 with battery and $100 without.

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Briefly: SwitchEasy launches high capacity battery, Cocktail updated

07/08, 7:20pm

Battery four times more powerful than iPhone 5's

Today, SwitchEasy released its Tanks high capacity portable battery for charging smartphones and other mobile devices. Tanks includes a 6000mAh battery, and can hold four times more power than the built-in iPhone 5 battery. The four-step white LED gauge clearly displays the battery's charge level, and charges using a standard USB connection. Available in white or black finishes, SwitchEasy's Tanks is available online for $70.

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Faulty Samsung Galaxy S III battery burns phone, mattress cover

05/28, 4:19am

Samsung battery inflates on charge near sleeping owner, melts phone

A Samsung Galaxy S III suffered a potentially hazardous fault yesterday, according to a user of Reddit. Photos on the social news site appears to show a phone that started to smoke and an inflated battery, with damage ranging from melted and burned plastic on the smartphone itself, a small burn on the poster's finger, and a hole in their foam pillow mattress cover caused through the excessive heat.

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Man injured from Samsung Galaxy Note battery explosion

02/04, 7:06pm

South Korean suffers second-degree burns to thigh

A man in South Korea was injured on Saturday after his Samsung Galaxy Note exploded. The 55-year-old man apparently suffered second-degree burns to his right thigh, after the smartphone and spare battery he stored in his pants pocket suddenly ruptured and caused damage to his body and clothing.

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Users report iOS 6.0.2 update may cause battery drain

12/20, 6:59pm

Could come from increased number of Wi-Fi checks

MacNN and other tech outlets are seeing some user reports that the latest release of iOS, 6.0.2, is causing additional battery drain on at least some devices. Reports of issues first surfaced on Apple's own support forums, and so far seems to be limited to only some of those who were able to upgrade to v6.0.2. Apple's recent iOS and OS X updates have both suffered from scattered reports of battery drain compared to previous versions of the respective OS, though the company generally fixes them over time.

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Department of Energy creates $120M battery research hub

12/03, 5:40am

Research to boost power five times in five years

The US Department of Energy is making a push to improve the technology used in batteries. The newly-formed Joint Center for Energy Storage Research (JCESR), originally the Batteries and Energies Storage Hub, hopes to develop batteries five times more powerful than at present, at a fifth of the cost, over the next five years.

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Leak shows iPhone 5 battery with higher capacity than 4S

09/04, 6:06pm

Battery fits leaked frame

Corroborating recent reports, a fresh leak surrounding the iPhone 5 suggests Apple's sixth-generation smartphone will integrate a slightly larger battery than its predecessor. An alleged iPhone 5 battery obtained by electronics repair company iResQ appears to perfectly within the phone frame that is also claimed to be sourced from the official assembly lines.

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Korean breakthrough points to quick-charge Li-ion batteries

08/16, 1:59am

Charging efficiencies in larger batteries increased hundredfold

South Korean scientists claim to have found a way to greatly reduce electric car charging times from hours to minutes. The researchers have altered the geometry and physics of a lithium-ion battery to allow the cell to charge evenly throughout the battery, rather than charging from the terminals inward during a standard reduction-oxidation reaction on larger lithium-ion batteries.

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Report: slightly larger battery for 'next iPhone' seen

08/10, 2:42am

Modest voltage, wattage suggests LTE radio drain solved

One of the factors that kept an LTE "4G" radio out of the iPhone 4S was the compromise of the battery-draining next-generation cellular data transceiver. As many "4G" phone owners know, the advanced technology requires a lot of power, even when not in active use. Purported next-iPhone batteries seen in photos and sporting slightly higher specifications than existing iPhone batteries may, if accurate, suggest that Apple has overcome the LTE issue with a modest compromise.

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USPS lithium battery overseas mailing ban begins May 16

05/11, 2:15am

Domestic shipments, UPS, Fedex unaffected

Effective May 16, the United States Postal Service (USPS) regulation prohibits shipping any electronic device with a lithium battery from being mailed to a destination outside the United States. The ban does not apply to private carriers such as DHL, FedEx, and UPS. The ban is in response to improperly packed lithium batteries being involved in two plane crashes since 2006, including a UPS jet in Dubai that caught fire and crashed moments after takeoff.

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Small batch of Nikon EN-EL15 batteries overheat, expand

04/25, 10:05pm

Models affected: 1 V1, D700, D800, D800E

A small batch of Nikon batteries for the 1 V1, D7000, D800, and D800E cameras are at risk of overheating and becoming distorted during the charging process, Nikon has announced. The company has announced a battery replacement program for the affected run of the EN-EL15 battery.

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Follow-up: new iPad battery takes 5.5 hours to fully charge

03/26, 9:30pm

Testing shows bad indicator can cheat users

The bad battery indicator in the new third-generation iPad has been further tested by Dr. Ray Soneira, the president of DisplayMate and the leading scientist testing and explaining the technology behind the new iPad's doubled resolution and advanced "Retina Display" screen, as well as one of the first to uncover that the battery indicator falsely reads "100%" more than an hour before it is actually fully charged. He has since clarified some of his findings.

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Report: new iPad continues to charge after displaying '100%'

03/23, 11:30pm

Testing points to bad calculation in algorithm

A leading researcher examining the third-generation iPad has discovered through testing and actual voltage readings that the latest iPad requires around two hours of additional charging beyond the point where the indicator reads "100%" in order to truly achieve maximum charge. Initial testing indicates that the problem lies only in the accuracy of the on-screen battery charge indicator rather than a hardware fault, but could lead to consumer confusion on performance.

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Sanyo intros 2,500mAh AA-size Eneloop rechargeable batteries

06/30, 8:10pm

Largest capacity Eneloop AA batteries

Sanyo has introduced its latest AA-size batteries that fit into the company's Eneloop lineup. The Nickel-Metal Hydride cells, labeled 'XX', are said to be the company's highest capacity Eneloops, with 2500 mAh of power. Like the rest of the series, the XX offerings ship charged and promise up to 75-percent remaining power after a year of storage.

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Porous aluminum could triple battery life in mobile devices

06/28, 11:55am

Could pack 3x capacity in the same footprint

Sumitomo Electric has developed a technology to make aluminum porous that could significantly improve lithium-ion batteries. The new porous aluminum, called "Aluminum-Celmet," could give these batteries one and one-half to three times greater capacity. It could alternately help to reduce the size by up to two-thirds without shrinking battery life.

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NewerTech debuts battery for original unibody MacBook Pro

05/10, 6:00pm

Slightly more capacity, significantly lower cost

Newer Technology has added a 52 watt-hour replacement battery specifically for the Late 2008 and Early 2009 15-inch MacBook Pros (the first of the "unibody" MPB designs, also known as MacBookPro5,1 and MacBookPro5,2). While the new batteries offer only a modest four percent increase in capacity over the Apple original batteries, they sell for 23 percent less money compared to replacement batteries from Apple for those models.

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iPhone 4 accessories: NuCharge battery case from iKit

02/02, 7:15pm

Stylish, lightweight protection doubles battery

British designers iKit have added the NuCharge battery case to their line of iPhone 4 accessories. The product acts as both a lightweight spare battery and a protective case, and is compatible with both the AT&T and Verizon iPhone 4s. The black (also available in white) case is only six millimeters (0.24 inches) thick and adds only two ounces to the weight of the iPhone 4, but doubles the battery life by sporting a full 1400mAh battery.

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Hands on: Joos Orange solar charger, battery for iOS devices

01/28, 5:25pm

System pairs all necessary features

Solar Components has finally begun shipping its latest solar charger, which was demonstrated this week at Macworld Expo. MacNN checked out the Joos Orange, a slab-shaped device that combines solar cells with an integrated battery. The general design reminded us of Solio's offerings, but with a bigger battery that is claimed to charge a dead iPad up to 65 percent.

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Technocel intros new PowerPak portable chargers

01/06, 1:05am

PowerPak XT and PowerPak Duo

Technocel on Tuesday introduced two new products for its line of portable batteries and in-home chargers: the PowerPak XT and PowerPak Duo. Both devices are re-designed versions of the previously released PowerPak, and offer larger batteries. By using the interchangeable tips they are said to support roughly 95 percent of available handheld USB devices, along with any standard USB cable included with most wireless products. Each portable battery also features built-in LED indicator lights for displaying the amount of remaining power.

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Technocel announces PowerPak portable charger

10/15, 10:50pm

PowerPak charges most hand held devices

Technocel has announced the PowerPak, a new all-in-one portable battery and home charger. The PowerPak is designed to extend the run time of portable electronic devices when users are on-the-go and away from power outlets. It supports a wide range of devices including cellphones, PDAs, MP3 players, or Bluetooth headsets. A variety of interchangeable tips are included, enabling the charger to work with almost any USB-powered product.

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MacBook Pro battery case ruptures, Apple refuses replacement

09/29, 2:35pm

Incident matches reports from Apple online store

MacNN reader Robert-Anthony Bunoan has voiced frustration with Apple after the battery in his 17-inch MacBook Pro reportedly swelled to the point of rupturing the case. The notebook was approximately two years old, with a removable battery instead of the integrated lithium-polymer design featured in the latest aluminum-unibody models.

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QuickerTek intros MacBook Air external battery

04/13, 9:20pm

QuickerTek Air battery

QuickerTek has released its latest notebook accessory, a new external battery for the MacBook Air. The external pack powers the device while simultaneously charging the internal battery. The company claims users can achieve 12 to 16 total hours of run time, or around 6 to 10 extra hours of power. The charger is also said to charge the internal battery in only three hours.

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myPower battery-extension case debuted for the iPhone

12/10, 8:40pm

myPower iPhone battery

Tekkon has debuted the myPower leather sleeve for the iPhone and iPhone 3G. The case features a built-in rechargeable lithium-polymer battery that is claimed to double the battery life of the iPhone while ensuring that the external battery drains before the phone draws from its internal power. An integrated power-level indicator displays the charge status of the battery. Users can recharge both the case and iPhone simultaneously, using an outlet power adapter or a USB cable connected to a computer.

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