4-Pack Rechargeable 9V Batteries, 1300mAh 9 Volt Lithium-ion Long Lasting Power, USB-C Recharge with 2 in 1 Charging Cable for Smoke Alarms

[USB Charging Design]- Quzmo Rechargeable 9 Volt Lithium-ion Battery Built-in USB-C charging port, which can be quickly charged with the provided 2-in-1 USB C cable without the need for an additional battery charger. The build-in LED lights allow you to check the charging status.
[1300mAh Long Lasting Power]- Quzmo 9V rechargeable battery has a capacity of up to 1300mAh and can be recharged more than 1200 times. Grade A+ cells ensure longer battery life, no memory effect, provide more power for your device.
[Safe and High Performance]- Every Quzmo 9V Lithium battery is tested by professional tester under strict quality control standards, over temperature protection, over charging protection, over load protection, short circuit protection and safeguard protection, which can protect the battery well.
[Wider Application]- Quzmo 9 volt batteries provide steady voltage until the whole cell is depleted. support stable power and longer working time for high frequently used devices, such as smoke/fire alarms, wireless microphone, digital cameras, walkie-talkies, toys, game controllers, GPS, clocks, home security devices etc.
[Important Notice]- This 9V Rechargeable Battery is Not Recommended for use in Professional Musical instruments, as many customers have reported noise interference affecting sound quality. It is also not recommended for any device requiring stable or silent power supply. This battery can only be charged via USB-C and is not compatible with standard battery chargers. Do not place the battery in a battery charger for charging. Not compatible with high-power charger plugs; do not use chargers with a rated current greater than 2A.