These lithium-ion 18650 batteries provide high performance and can be recharged up to 500 times saving you money in the long run. Each battery comes equipped with a built-in circuit protecting board and triple over-heat protection, so you don't have to worry your brand expensive light cutting short on you.
Features Higher energy density 500 recharge cycles Triple over-heat protection Free from leakage of liquid electrolyte Over-discharge protection High capacity at low temperature (-10°C) Higher capacity and lower weight than other rechargeable batteries