LDSMNLI USB Rechargeable 9V Lithium Batteries - 4 Pack 1100mAh Long Lasting Li-ion Batteries with 4-in-1 USB C Charging Cable for Wireless Microphones Smoke Alarms Metal Detectors Guitar

[【9V Lithium Battery】 Rechargeable 3960mWh long-lasting lithium batteries without memory effect provide steady voltage until the whole cell is depleted. 【Quick Charge in 2.5 Hours】 LDSMNLI 9V Li-ion batteries with 3960mWh capacity up to 500 times deep charging & discharging cycles which can be fully charged in 2.5 to 3 hours saving time and being more efficient. 【USB-C Charging Design】 The Lithium-ion rechargeable battery has a built-in Type-C port which is convenient to charge anywhere directly with the provided 4 in 1 USB-C cable no need extra battery charger. The built-in LED lights allow you to check the charging status. 【Safe Protection 】 The 9V lithium battery features overshoot over-discharge overcurrent overvoltage and short circuit protection. It can ensure your safety during use. 【Widely Application】 LDSMNLI 9V lithium battery is widely used in household devices supports stable power and longer working time for highly frequently used devices such as smoke/fire alarms wireless microphones toys GPS home security devices medical devices etc.]