- 1.Fits all sizes of 3.7V cylindrical Li-on Battery. Like 32650,26650,20700,18650,16340,14500 etc.
- 2.USB Magnetic Design, Lightweight only 20g , Portable and Mini. Easy to Carry.
- 3.Discharge Funtion, Can use as a Power Bank with a battery on it.
- 4.With Smart Microchip, providing stable 5V volatge, 1A current, 0V battery active and reverse polarity protection.
- 5.Simple indicate light : Charging (blinking green light) , Full charged (solid green light), Discharging (blinking blue light)
Feature:
1. A1 has 2 magnets. Each magnet represents one polarity.
2. Compatible with 3.7V Li-ion rechargeable batteries.
3. Can charge Li-ion batteries when connecting to power source like power bank and computer.
4. Can help Li-ion batteries charge other devices like cell phone.
5. Automatically activate 0V battery
6. With short circuit protection
7. With reverse polarity protection
8. With overcharge and over-discharge protection