Micro USB 4 Slot Battery Charger for 3.7V Lithium-ion Battery, with LCD Display
2. The maximum detection of current and voltage, self-stop when full, to protect the battery.
3. The LCD screen percentage shows the charging progress during charging, and can be plugged in for a long time.
4. Comprehensive protection function, the battery is installed in reverse, 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: 0.5A range 500 +/- 50mA.
4. Charging cut-off voltage: 4.20 +/- 0.05V.
5. Charging cut-off current: 0.5 level is less than or equal to 70mA.
6. Trickle charge current: 0.5A range 60 +/- 20mA.
7. External power supply standby current: less than or equal to 60mA.
8. Automatic recharge interval voltage: 3.9 +/- 0.15V.
9. Working environment temperature: 0-40 degrees celsius.
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