4 Amp | 6V and 12V Battery Charger



  • Multi-stage charger
  • Ability to charge multiple battery chemistries
  • LCD display shows charge progress
  • Overload and reverse connection protection
  • Capable of charging battery sizes 12-120Ah
  • Charging lithium (LiFePO4) battery sizes 8-50Ah
  • Durable dust- and water-proof casing
  • Large clamps for easy battery connection
  • Ring terminals to mount the charger on the battery
  • Cold mode for battery temperature under 5°C


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Versatile 4 Amp battery charger with adjustable output

BMPRO’s 12V 4 Amp battery charger BatteryCharge4 is an automatic battery charger with eight charge states (including pulse and trickle charge modes). It is designed to increase your battery’s life and performance.

BatteryCharger4 is adjustable to 0.9, 3 or 4 Amps and compatible with all 6 and 12 Volt Lead Acid (AGM, Gel, Calcium, Wet) and LiFePO4 Lithium batteries.

Use it to service your car, caravan, bike, boat or spare battery charging needs. Equipped with short-circuit, over-temperature and overload protection, the BatteryCharge4 has a large LCD display with indicators to let you know the charge progress of your battery.

Other options available: 7 amp, 15 amp and 25 amp battery chargers.

Product Specifications

Output variable up to 4.0 Amps
Input 240V, 50Hz
Battery Size 12-120 Ah
Battery Type Lead Acid, LiFePO4
Battery Chemistry AGM, Gel, Calcium or Wet, LiFePO4
Charger Type Multi-stage
Housing Protection IP65
Power Supply Mode 12V


Minimum start voltage for the BC4 is above 2V. Below this voltage it is unlikely that the charger will detect a battery, and therefore will not commence the charging routine.