There's also a trough for latching on an external battery or LCD touchscreen BacPac.
ENGADGET: GoPro Hero3 Black Edition review: taking action cam quality to the next level
The Spark Solar Case and V39 External Battery are available now on www.voltaicsystems.com and with select retailers.
ENGADGET: Voltaic Spark Tablet Case powers your pad with the Sun's rays
This is powered by an external battery which is linked to the device by a wire entering through the skull and passing down the neck.
It could also charge wirelessly, and thus would be wearable under the skin as well as over -- imagine fully powered implants where an external battery is impractical or unsightly.
The juice pack for HTC One fortifies mophie's offerings for the Android community, joining solutions for the Samsung Galaxy S III and a universal line of external rechargeable battery packs that help keep users powered up wherever they go.
ENGADGET: Mophie Juice Pack for the HTC One now available Mobile
Before my serendipitous encounter, I had my eye on the Motorola 89442N Universal External Cell Phone Battery, a pack about the size of a phone with a bantam micro-USB arm.
ENGADGET: IRL: Rayovac Mobile Power Pack, a TomTom car charger and cleaning a DSLR sensor
Small flames were noted in one of the two incidents reported when gases escaping from the battery were ignited by an electrical short-circuit in the presence of ambient oxygen, but that was all external to the battery case.
FORBES: Boeing Completes Tests Leading To Resumption Of Dreamliner Operations
"Working with internal and external experts in battery technology, we have proposed a comprehensive set of solutions designed to significantly minimize the potential for battery failure while ensuring that no battery event affects the continued safe operation of the airplane, " said Conner.
CNN: FAA approves proposal for fixing Dreamliner battery woes
In low external temperatures, the battery is quickly brought up to operating temperature with the aid of an electric heating element.
ENGADGET: Visualized: Mercedes-Benz SLS AMG E-Cell bares all
Since the 2011 CES Kingston and Seagate have announced battery powered external storage devices accessible through WiFi, targeted initially for the iPad and soon available for Android tablets as well.
FORBES: Changing Digital Storage Requirements for Clouds and Mobile Devices
Each of the relevant muscles has been wired up to the internal box (which is powered by electrical induction from a battery in the external one).
In 2010, Hypershop introduced a battery powered HyperDrive external HDD product offering up to 750 GB of external storage through the proprietary USB-based interface on the iPad.
FORBES: Changing Digital Storage Requirements for Clouds and Mobile Devices
Of course, there is still quite a bit of work to be done to make this work: iPhones do not have removable batteries, nor do they support multi-tasking, meaning that some sort of ruggedized, battery-powered external case would be necessary to get this battle-ready -- as well some jailbreaking.
ENGADGET: Raytheon's iPhone app will track enemy combatants in real time
It listed among the possibilities a manufacturing flaw, a design defect or problems with external systems that charge and discharge the battery.
The battery can be charged either by external power sources or by the TDI engine while the vehicle is in motion.
ENGADGET: VW unveils CrossBlue plug-in SUV with iPad mini headrests and 85MPGe efficiency (eyes-on)
In extremely high external temperatures, the cooling circuit for the battery can be additionally boosted with the aid of the air conditioning system.
ENGADGET: Visualized: Mercedes-Benz SLS AMG E-Cell bares all
It can also be connected to an external 5-volt Lithium-ion polymer battery for backup power, enabling use in areas where electricity can be inconsistent.
Ford calls C-MAX Energi a "hybrid-plus" because it not only operates just like C-MAX Hybrid, but also features an external charge port and larger lithium-ion battery pack so owners can plug in the vehicles to fully charge the battery using either a standard 120-volt outlet or the available 240-volt charge station.
ENGADGET: Ford C-Max Energi pricing: $29,995 after a federal tax credit, available this fall
The two 5W-powered USB ports allow users to connect even two bus-powered external hard drives and also function as a backup battery for two iPads.
ENGADGET: Hyper debuts iUSBport mini, 2 and HD cloud storage and streaming devices (hands-on)
The unit comes with a docking station that makes for a quick connection to external speakers as well as a TV set, but also doubles as a battery charger.
It has a 1780 mAh battery, 8MP rear camera, 1GB of RAM, 8GB of internal storage (up to 32GB external) and measures 8.4mm thick.
ENGADGET: Motorola Atrix HD revealed with 4.5-inch Colorboost HD display, ICS and Droid RAZR looks
应用推荐