3.7V rechargeable battery capacity:500mAh,600mAh,700mAh High operating voltage:3.7V Cycle life:more ... operating voltage 3.7V Li-ion rechargeable battery.2)Product description:ICR16340 Lithium-ion battery with capacity:500mAh,600mAh,700mAh.3)Light weight,higher ... , camera notebook computer, digital products, mobile phone etc 3.7V rechargeable battery 16340