4 Slot Micro USB Charger for 3.7V Li-ion Battery with LCD Display

1. Automatic recognition and conversion can charge various 3.6V lithium-ion batteries.
2. Maximum current and voltage detection, automatic shutdown when full, to protect the battery.
3. The LCD screen percentage shows the charging progress when charging, and it can be connected for a long time.
4. Full protection function, the battery is installed backwards, the short circuit is not charged, and it is absolutely impossible to charge ordinary batteries.
5. Support all 5V charging heads on the market.

Product parameters:
1. Size: 145x100x30mm.
2. No-load voltage: 5V +/- 0.2V.
3. Constant current charging current: range 0.5A 500 +/- 50mA.
4. Charge cut-off voltage: 4.20 +/- 0.05V.
5. Charging cut-off current: 0.5 level is less than or equal to 70mA.
6. Trickle charging current: range 0.5A 60 +/- 20mA.
7. External power supply standby current: less than or equal to 60mA.
8. Automatic charging voltage range: 3.9 +/- 0.15V.
9. Working environment temperature: 0-40 degrees Celsius.