The 18650 USB Lithium Ion button top rechargeable battery with integrated micro-USB charge port is an economical alternative to disposable CR123 cells for the latest Streamlight flashlights that are designed to accept both. The integrated USB charge port with LED status lights can recharge the battery in 5 hours. Input power source can be any Streamlight USB power adapter or a PC USB port.
Battery charge status indicators built into the top of the battery; Red for charging, Green for charged. Integrated safety circuit protects batteries from overdischarge and overcharge. Additional safety features include a pressure vent and built in PTC surge protector.
USB Rechargeable Lithium Ion Battery