1. This is a rechargeable Li Ion Battery. 2. Battery Shell made from special grade plastic material, durable and stable, not easy to damaged. 3. Choose high quality batteries, Seiko IC, double protection to the circuit board. 4. High Temperature Resistant and Low Temperature Resistant. 5. Safe and

 1. This is a rechargeable Li Ion Battery. 2. Battery Shell made from special grade plastic material, durable and stable, not easy to damaged. 3. Choose high quality batteries, Seiko IC, double protection to the circuit board. 4. High Temperature Resistant and Low Temperature Resistant. 5. Safe and convenient to carry in your travel.