Battery type


 AC Input

 AC input voltage range

85-270 VAC

 Nominal AC input voltage

100-240 VAC

 Nominal AC input frequency

50 / 60 Hz

 Maximum AC input current


 Nominal AC input current


 Power factor




28.2 x 16.7 x 11.4 cm (11.1 x 6.57 x 4.5)


9.3 lbs (4.22 kg)


Active cooling with fan





5% - 95%

 Operating temperature

-40 to +65 (-40oF to 149oF),Derated at >40℃ (104℉)

 Storage temperature

-40℃ to +85℃ (-40°F to 185°F)



Charger Status

 1. LED solid green.

1. The charger is ready to charge, or Charging is complete.

 2. LED Green blinking.

2. The charger is charging.

 3. Red light blinking quickly.

3. Input power failure.

 4. LED Red and green blinking alte   rnately.

4. The output is short-circuited or the positive and negative poles of the battery are reversed.

 5. Red light blinks 2 times, interval 1   second, blinks 2 times again.

5. Charger temperature overheating alarm.

 6. Red light blinks 3 times, interval 1   second, and then blinks 3 times.

6. Output overcurrent alarm.

 7. Red light blinks 4 times, interval 1   second, then blinks  4 times.

7. Output over-voltage alarm.

If there is a problem with the charger, the fan will stop rotating and the LED indicator will blink red light to give an error warning. Please disconnect the charger from the wall socket.


RP4222-LFP Charger is suitable for charging Roypow LFP batteries, charging other batteries may cause fire or explosion.

The allowable AC input voltage is 100-240V AC. Never connect it to any other voltage.

Never leave the charger unattended when it is connected to its power supply.

Never place the charger and batteries connected to it on any form of flammable surface.

Neveroperate the charger in the vicinity of inflammable material or gas.

Ensure that there is an unrestricted airflow to and from the charger's cooling slots.

Never place thecharger on a carpet or similar surface.

Take great care to maintain correct battery polarity, and avoid shot-circuit.

Read the batterymanufacturer's instructions and adhere to them strictly.