ITEM NAME:Compact Battery Charger USB for 10440 16340 14650 18350 3.7V Battery Description: Battery charger for 10440, 14500,16340,16650, 14650, 18350, 18500,18650 3.7V lithium battery. The 4 slots are charged independently without interference. Two-color charging indicator, red light when charging, green light when fully charged. The charging cut-off voltage is 4.2V, and it will stop automatically when fully charged, without overcharging. Designed to charge your batteries quickly and safely. Specification: Input parameters: DC 5V 1-2A Output parameters: DC 4.2V 500MA Charging current: 1000mA Number of slots: 4 Charging time: 3-8 hours Material: ABS Plastic Size: Approx. 90x30x117mm/3.54x1.18x4.60inch Package Includes: 1 Piece 4 Slots Battery Charger Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement..Number of slots: 4. Size: Approx. Material: ABS Plastic.