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2. Rechargeable battery - Wikipedia

   en.wikipedia.org/wiki/Rechargeable_battery

   The energy used to charge rechargeable batteries usually comes from a battery charger using AC mains electricity, although some are equipped to use a vehicle's 12-volt DC power outlet. The voltage of the source must be higher than that of the battery to force current to flow into it, but not too much higher or the battery may be damaged.

3. These Are the Best Emergency Radios to Keep You Updated ...

   www.aol.com/best-emergency-radios-keep-updated...

   This model is rechargeable with a USB-to-AC wall outlet, and the 2000mAh Lithium-ion battery can be charged to full capacity with solar panels or the hand crank. Fully charged, the battery can ...

4. Battery pack - Wikipedia

   en.wikipedia.org/wiki/Battery_pack

   A portable power bank charging a mobile phone. A power bank is a portable device consisting of a battery, a charger to interface battery with charging power source and an output interface to provide desired output voltage. [10] Power banks are made in various sizes and typically based on lithium-ion batteries.

5. Another winter storm is brewing: These 12 items can help you ...

   www.aol.com/lifestyle/12-genius-items-to-help...

   These battery-powered headlamps are another essential for winter storm prep and possible power outages. Their 180-degree illumination makes navigating dark spaces a breeze and they can even ...

6. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threa­ded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.

7. 15 things to spend your Amazon gift card on - AOL

   www.aol.com/lifestyle/15-things-to-spend-your...

   There are multiple setup options, too: Use the built-in rechargeable battery or connect it to existing doorbell wires. With 1080p resolution, two-way audio and lots of other useful features, this ...