‎Rechargeable 4000mAh lithium battery, charged via USB-C cable, with up to 25 hours of battery life

Camping Lantern, BICKON 60 LEDs Ultra Bright & 25H Battery Life Camping Lights Rechargeable, 5 Lighting Modes 15%~100% Brightness Adjustable Tent Lights for Camping, Emergency, Fishing, Garden, Hiking