9V Rechargeable Battery,850mAh High Capacity Li-ion 9V Batteries 4 Pack PP3 6F22 9V E-block Lithium Batteries for Smoke Detector Alarm,Fire Alarm,Multi-meter,Radio Microphone,Kids Toys(Battery Only)

850mAh 9V Rechargeable Battery: This 9 volt rechargeable lithium-ion battery pack is Kratax new 9V batteries set,this PP3 9v battery provides longer use time per charge, with larger capacity and ultra long lasting. Last 3 times longer than traditional rechargerable 6f22 23f6-220 9v batteries disposable 6lr61 alkaline battery.

Multi-Protection 9v 6f22 battery: These 9volt fire alarm batteries get CE/RoHS Certified. And designed with built-in IC Protection:over-charge,over-discharge,short-circuit,reverse polarity,over-voltage,over-current and over-heated,to make sure the safety for over-night charging

Applicable equipment: Our 9v e-Block Battery Suitable for Transistor Radio, Walkie-talkie, Remote Control Toys, Smoke Alarm, Smoke Detectors, Guitar, Wireless Microphone, Multimeter, Cameras, Alarm Clocks, Portable Radios and other electronic and medical equipment.Kratax 9V Li-ion battery is ensure good performance in any extreme weather or temperature from -20°C - 60°C / -4°F - 140°F.non-toxic, without memory effect and environmentally friendly.

4H Fast Charge:Our 9v smoke detector batteries can be charged separately,without the need to charge in pairs.Using Kratax 9V battery charger (input:5V/2A;output:8.7v/260mA*4),those 9 volt lithium ion batteries can fully charge 4 batteries in about 4 hours. The actual voltage of full charge is 8.4V-8.7V,not 9V(charger not included)

500 Rechargeable Cycles:Kratax 9V Li-ion battery is non-toxic, without memory effect and environmentally friendly, and charge cycles can be up to at least 500.And the self-discharge of this litium 9v battery is about 0.03% per month,less than 1% self-discharge of Ni-MH batteriy