3.7V rechargeable battery capacity:500mAh,600mAh,700mAh High operating voltage:3.7V Cycle life:more than ... 734.2700≤804.2317-20/+60 3.7V Li-ion rechargeable battery ICR16340 Feature:1)High ... LED flashlight, electric meter, medical machinery, wireless communication, lifesaving appliance, petroleum drill, research instrument, camera notebook computer, digital products, mobile phone etc 3.7V rechargeable ...