Cylindrical lithium ion battery: 21700 lithium battery
Stable voltage, durable, strong power, long use time, safe and environmentally friendly mercury free.
Explosion-proof and leak-proof: high strength nickel plated steel case, bottom insulating ring, automatic safety valve.
Double exhaust holes: fast exhaust gas, avoid battery expansion, danger.
Low self-discharge: adopt technology, LSD intelligent lock electricity, storage for a year can still save about 85% of the electricity, effectively reduce the natural loss of electricity.