9V Rechargeable Lithium Batteries, 3800mWH with 2-in-1 USB C Charging Cable, high Capacity 6F22 Batteries for Smoke Alarms, Metal detectors, Microphones More（4 Pack ）

High Capacity, High Performance: 9V rechargeable battery capacity is up to 1300mAh/9Wh, the battery can be recharged more than 1000 times. Easy to operate, no memory effect, can provide more power for your equipment.

Multiple Safety Protection: 9V lithium-ion battery has quadruple protection (overcharge, short-circuit, high temperature and overload protection), adopts high quality fireproof structure and passes CE and RoHS, UL safety certification. Note: For safety reasons, the battery is only 20% charged, please fully charge it before use. Batteries will reach optimal performance after 3-5 full charge and discharge cycles. (Red light: indicates charging, Green light: indicates charging is complete)

Wide versatility: Widely used in household equipment, such as smoke/fire alarms, wireless microphones, wireless video game controllers, digital cameras, calculators, electronic toys, metal detectors, remote control detectors, professional audio, paintball guns, GPS, LED lighting equipment, walkie-talkies, multimeters, medical equipment, and so on.

Multiple Charging Methods：provides a 2-in-1 charging cable and a rechargeable USB port, which can be connected to most USB power sources, such as PCs, car chargers or mobile power. Convenient to charge anywhere when traveling, no need to carry an extra charger.

Premium After-Sales Service: If you are not 100% satisfied with our products, please feel free to contact us through Amazon, we will reply you within 24 hours. Customer satisfaction is always our greatest pursuit.