9V Rechargeable Battery 850mAh 9 Volt Battery 4 Pack 9V PP3 6F22 Lithium-ion Batteries with 9V Battery Charger for Smoke Detector Multimeter ToysHigher Capacity 850mAh real and reliable Hixon 9V rechargeable Li ion battery; 40% capacity than ordinary 9V Li ion batteries. 2000 Cycles Hixon 9V Li ion battery is non toxic, without memory effect and environmentally friendly, and charge cycles can be up to at least 2000. 4 Slot Fast 9V ChargerCan charge 1 4 batteries at the same time; With a type c charging port, 5V 2. 3A input and 1A Max output(260mA *4), can fastly charge the 9V batteries to full