4x Rechargeable Battery + Dual 18650 Li-Ion Battery Charger1

Suitable for 1-2 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.

• Standard Voltage: 3.6V-3.7V
• Charge Voltage: 4.20+/-0.03V
• Discharge Cut off Voltage: 3.0V
• Height: 65.0+/-1.0mm (2.56in)
• Reference Weight: 47g (1.66oz) per cell
• Length: 65mm, Diameter: 18mm
• Standard Capacity: 2600-3000mah