Name: portable 3.7V battery charger
Input voltage: AC100-240V 47-56HZ
Output voltage: 4.2V
Output current: 350mA
Compatible:support 18650,26650,14500 ,16430 lithium batteries
Plug standard: US standard; EU standard
Features: easy to carry, and support a 3.6-3.7V lithium-ion batteries; automatically recognize the positive and negative polarity,can charge in positive and negative direction; short circuit protection, over voltage protection, over current protection, over temperature protection; trickle precharge; constant current; constant pressure; trickle charge.
Charging specifications: supports various ion rechargeable batteries within the length of 69 and a diameter of φ33.
Charging method: put the battery into the corresponding position, connect it to power supply, the red light will flash when charging, and it will turn green when fully charged.