Mini size, easy to carry, durable and safe. Can automatically identify and convert DC3.6V 3.7V li-ion rechargeable batteries. Red light when charging, turns green when fully charged. Automatically stops when charging is complete. Comprehensive protection function, not charge if short circuit. Largely applicable, can charge for 18650/18350/16340/14500 /26650 li-ion batteries. Material: PVC Color: black Input voltage: AC 100-240V ,47-63HZ Output voltage: 3.7V/3.6V Rated current: 450mah Size: L*W*H 100x30x40mm/4x1.2x1.6'' Plug: US, EU(optional) Weight:40g Brand No Brand SKU 100648050_NP-1021088032