The Streamlight SL-B34 is a 3,500mAh lithium-ion cell battery with on-board safety circuit. The USB-C battery can be charged inside or outside of the light. To charge inside the flashlight, slide the sleeve back to access the charge port. Features of the Streamlight SL-B34 Li-Ion USB Battery Includes 1 battery SL-B34® protected Li-Ion rechargeable battery pack with built in Micro-USB charge port Fully recharges in 5 hours and charges battery in product Charge status indicator Use the SL-B34 USB battery pack to power the MegaStream USB flashlight
