- Suitable for 1-4 18650 lithium-ion rechargeable batteries. - When charging the red light, green light fully charged, with anti-reverse charging function. - With over-voltage over current short circuit protection, safe and reliable battery charging. - Specifications: Product name: 18650 battery charger Size: 10.3x8.9x2.8cm/4"x3.5"x1.1" Cable length: 80CM/31.4" Color: Black Material: ABS material Input: 110V-240V Output:4.2V AC: 47-63Hz DC: 1200mA Plug option: UK(Number 1),USA(Number 2),EU(Number 3),AU(Number 4). Suitable for:18650 lithium-ion rechargeable battery Package Include: 1x battery charger (batteries are not included)