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  • Compatible Multiple Battery Types: Compatible with a multitude of alternator types. The DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and Lithium batteries.
  • Smart 3-stage Charging: The DC-DC battery charger will charge your house batteries from the starter battery by 3-stage charging (Bulk, Boost, and Float) to make sure it optimally and automatically charges to 100%.
  • Various Protections For Ultra Safety: Offers Over-voltage Protection, Over-temperature Protection, and Reverse Polarity Protection to ensure the operation safety. It also isolates the input and output to prevent voltage transmission errors and interference with house battery charging.
  • Protect Your Starter Battery: The DC-DC battery charger is capable of identifying whether the generator is started to prevent over-discharge of the starting battery and protect the generator.
  • Reliable Quality: The compact and robust design makes it suitable for all conditions. CE certification.


  • Brand: Renogy
  • Size: 20A
  • Dimensions: 8.3 x 6.9 x 2.7 Inches
  • Weight: 5.29 lbs
  • System Voltage: 12VDC
  • Rated Charge Current: 20A
  • Rated Max Power: 250W
  • Idle Power Consumption: Input Voltage Range: 8V-16V
  • Float Voltage: 13.2 – 13.8V
  • Boost Voltage: 14.1 – 14.7V
  • Operating Temperature: -20°C to +50°C


  • 1 × Renogy 20A DC to DC Battery Charger

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