The Streamlight 18650 USB Battery 2 Pack is an 18650 button top lithium ion batter with a built-in Micro-USB charge port. This battery will charge in 5 hours and features a safety circuit that protects the battery from overcharging or overdischarge. This battery transforms high-performance, multi-fuel lighting tools into rechargeable systems. This is a 2 pack of 18650 rechargeable batteries.

• 18650 Lithium Ion rechargeable battery with micro USB charging port
• Replaces two CR123A batteries for Streamlight flashlights
• Fits all Streamlight flashlights that take Streamlight 18650 button-top batteries
• Charges in 5 hours and features charge status indicator
• Safety circuit which protects the battery from overcharging
• Turns high performance flashlights into rechargeable systems
• Adds flexibility to wherever and however you use your Streamlight flashlight