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01223 858414

Ring Autmotive 30A 12V DC-DC MPPT Battery Smart Charger



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The answer to charging batteries with Smart Alternators in Motorhomes and Caravans!

This 30A 12V MPPT DC-DC Battery Smart Charger has the ability to take up to 500W of solar power, and charge both the main engine battery and leisure battery.

  • Takes the energy from a vehicle's main battery and converts it into multistage output for charging an auxiliary battery
  • Compensates for high voltage or a drop in voltage to maximise charge to auxiliary battery
  • Programmable for most battery types
  • 3-Stage smart charge output for optimal battery performance
  • Will work with smart alternators to deliver accurate charging voltage
  • Low battery shut off to protect main battery
  • Sleep mode to reduce battery strain
  • Solar panel input with MPPT feature for charging at rest
  • Sleep mode to reduce battery drain
  • Applications include utility vehicles, vans, motorhomes, caravans and boats


  • Input PV: 10-50V DC: 12.6-50V
  • Max Output Voltage 14.8V
  • Max 30A
  • Sleep mode Current 20ma
  • MPPT Yes
  • Temperature Compensation 25°c ± 20mV°C
  • Operating Temperature -10°C to +45°C 
  • Dimensions Lx236mm Wx203mm Hx87mm
  • Weight 1.8kg
  • Insulation class IP65 (splash and dust proof)