UltraFire 3.7v 18650 rechargeable Lithium-Ion batteries provide all the power you will ever need to get peak performance from your LED flashlights. With 6000mah of capacity, this UltraFire battery delivers power longer than any other battery of this type, it will not let you down!
- 1000 rechargeable cycles with no memory effect
- Short circuit and over current protection
- 10 year life
- Made with Japanese power cells