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2. Rechargeable lithium metal battery - Wikipedia

   en.wikipedia.org/wiki/Rechargeable_lithium_metal...

   Rechargeable lithium metal batteries are secondary lithium metal batteries.They have metallic lithium as a negative electrode.The high specific capacity of lithium metal (3,860 mAh g −1), very low redox potential (−3.040 V versus standard hydrogen electrode) and low density (0.59 g cm −3) make it the ideal negative material for high energy density battery technologies. [1]

3. Wireless security camera - Wikipedia

   en.wikipedia.org/wiki/Wireless_security_camera

   However, some wireless security cameras are battery-powered, making the cameras truly wireless from top to bottom. Wireless cameras are proving very popular among modern security consumers due to their low installation costs (there is no need to run expensive video extension cables) and flexible mounting options; wireless cameras can be mounted ...

4. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   Disposable equivalent of the Nikon EN-EL5 Li-ion rechargeable camera battery. [141] 7R31: Kodak K 7R31 538 4 (mercury) 4.5 (alkaline) Cartridge Negative along the side of the body; positive on the front, nose of the battery Approx: H: 11 mm L: 40 mm W: 16 mm Typically a cartridge of three mercury button cells for use in 110 format cameras.

5. Amazon's rechargeable batteries 'last just as long as ... - AOL

   www.aol.com/lifestyle/recharge-amazon-basic...

   Amazon has a solution in its Basics line: a pack of rechargeable batteries that costs about half that of competing brands. For instance, this 12-pack of rechargeable batteries is just $10, with a ...

6. Home security - Wikipedia

   en.wikipedia.org/wiki/Home_security

   Current cameras feature abilities such as motion detection and two-way audio, allowing users to receive notifications of activity and speak and listen through the camera. Home surveillance cameras used for security purposes have become more accessible, but have sparked security concerns from consumers.

7. Round of Applause for Amazon, Who Is No Longer Selling ...

   www.aol.com/round-applause-amazon-no-longer...

   In a significant step forward for fire safety in New York City, Amazon is now at least partially in compliance with new city laws banning the sale of uncertified e-bike batteries.

8. A23 battery - Wikipedia

   en.wikipedia.org/wiki/A23_battery

   An A23 battery is an 8-cell device with a nominal voltage of 12 V. The higher voltage is necessary for the radio frequency-transmitting and receiving devices which A23 batteries often power. It has a capacity of around 55 mAh. [4] A23 batteries are constructed of eight individual LR932 alkaline button cells enclosed in a wrapper.

9. Memory effect - Wikipedia

   en.wikipedia.org/wiki/Memory_effect

   Memory effect, also known as battery effect, lazy battery effect, or battery memory, is an effect observed in nickel-cadmium rechargeable batteries that causes them to hold less charge. [ 1 ] [ 2 ] It describes the situation in which nickel-cadmium batteries gradually lose their maximum energy capacity if they are repeatedly recharged after ...