ENEGON 9V Direct USB Rechargeable Lithium-ion 650mAh Batteries with 2 in 1 Micro USB Cable for Wireless Microphone, Smoke Alarms, Electronic Toys, Walkie-Talkie and More Devices (4 Pack)
- RECHARGEABLE 9V BATTERIES: The ANVOW rechargeable 9V batteries built in USB charging port, 1-2 hour fast charging and up to 1000 cycles, no need to buy batteries frequently. Whether in home or outdoor, you can simply charge it with single USB port..
- RECHARGEABLE 9V BATTERY: Ours lithium battery voltage is 9 volts, other's lithium 9V battery is 8.2V-8.4V when fully charged. It means that you have more options for your electronics, like fire alarms, microphone, GPS, home security and medical devices etc..
- 1000mAh 3.7V LITHIUM CELL BATTERIES: The Lithuium cell's capacity is 1000mAh, we boost 3.7V to 9V through special processing, and make it a constant voltage at 9V. Therefore, the discharge test to measure the capacity needs to consider the voltage transition..
- NERGY SAVING & ECO FRIENDLY: Mercury, Cadmium and Lead are not used in these batteries.
- These 9V batteries can be recharged 1000+ times, saving thousands of alkaline batteries and reducing a significant about of landfill waste..
- PACKAGE: 4 x USB rechargeable 9V batteries, 1 x 4 in1 Charging Cable.
- By the way, the charger is not included, and don't charge four batteries at once on the PC computer or any other device with an output current of 1A..