Pulse Charger is compatible with the Following batteries

10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 22650, 20700, 21700, 26500, 26650 Cylinder AA/AAA NiMH batteries and Nickel-Cadmium batteries.

Specifications:

Input: DC 5V 2100mAh

Lithium Ion battery charging, discharging function

1. Charging stop voltage: 4.20±0.05V
2. Auto recharge threshold voltage< 4.10
3. Low battery voltage< 3.4V
4. Low battery protection voltage < 3.2V
5. Lithium ion battery activation Voltage <3.0V
6. Stable charging current: 2100mAh±10% while 1 slot is charging; 1000mAh±10% while both are charging.
7. Charging activation current: 120mAh ±10%;
8. Charging cut off current: 120mAh ±10%;

NiMH batteries and Nickel-Cadmium batteries charging function

1. Constant-current charging: 1000mAh±10%
2. Charging Voltage: <1.6V ±0.05V
3. Voltage change: -20mV
4. The longest charging time: Can be charged 2 more hours after when NiMH batteries reached 1.4V.
5. Auto recharge threshold voltage<1.2V ±0.1V