Battery Charger Dual With MPPT Solar Input 20A DC To DC N2087

Save $54
SKU: 9321758146026

$175 $229

This 20A DC to DC battery charger with MPPT solar input has been designed for in-vehicle use where auxiliary batteries are required to be charged from solar panels or the vehicles main battery. The charger offers fully automatic, set-and-forget operation, isolating the main vehicle battery when the engine is off, preventing discharge so you can still start your vehicle when required.

It provides multi-stage charging for lead acid, AGM/Gel, Calcium, LiON and LiFePO4 battery types. The in-built MPPT solar charge controller accepts PV solar panels with an output voltage range of 16-25V (minimum panel size 60W).

Please note: These chargers feature a battery chemistry type lockout feature that prevents changes while the auxiliary battery is connected.


  • Heavy duty aluminium case and mounting bracket 
  • Microchip monitoring and control 
  • Fully automatic high frequency multi stage charging
  • MPPT solar regulator input 
  • Compatible with vehicles fitted with smart alternators
  • Pulse mode technology that reduces oxidation, evens electrolyte consistency and minimises temperature equating to longer battery life 
  • Easy push button chemistry select: AGM/Gel, Calcium, LiON, Deep Cycle, VRLA and conventional flooded Lead-Acid batteries 
  • Internal charger temperature monitoring and power output control 
  • LED indicators showing state of charge 
  • Over charging, short circuit and over temperature protection 
  • Reverse polarity protection: Input reverse polarity protection and Output reverse polarity protection 
  • Thermal overload protection 
  • Solar input overload protection 
  • Power cut memory function; once selected, the charger will remain on this battery type until it is changed



  • Type: Multi Stage 
  • DC Battery Input: 12.5-16.0V 
  • Solar Input: 16.0-25.0V 
  • Output/Charging Voltage: 14.4 - 15.4 V (stops charging when alternator output or vehicle battery below 12.5V)
  • DC Output Current: 20A 
  • Solar Output Current: 20A
  • Minimum Start Voltage: 2.5V - for battery being charged.
  • Minimum Solar PV Panel Size: 60W
Charge Control
  • Soft Start: Yes 
  • Soft Charge Current: 20A 
  • Bulk Charge Voltage: 14.7V (AGM/Gel), 13.5V (Lead Acid), 15.4V (Calcium), 14.4V (LiON)
  • Absorption: Constant voltage with automatic amperage control
  • Float Charge Current: 13.5V (AGM/Gel), 14.4V (Lead Acid), 13.5V (Calcium)
  • Float Charge Current: 100mA
  • Battery Range: 18-250Ah
Recommended Cable Cross-Section
  • 0-1 metres: 10AWG 
  • 1-5 metres: 8AWG
  • 5+: 6AWG

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