Lithium battery charger 3.7 volt USB for models 18650 and 14500 and 16340

Effort Al Kharj: Direct current 4.2 volts 600 milliamps Features: Compatible with multiple batteries Charging indicator: Red light for charging, green light for full charge Product size: 125*92*30 millimeters Batteries not included Compatible with the following lithium batteries: 1 slot / 2 slots 10440 14500 16340 16650 14650 18350 18500 18650 (Only the four-slot version is suitable for 26650) (4 slots) 10440 14500 16340 16650 14650 18350 18500 18650