Enable 120A alternator charging of a secondary AGM or Flooded battery bank.  A boost button lets your house batteries start your ignition when your starter battery is dead. This kit is ideal for van conversions and skoolies.  

Enable 230A alternator charging of a secondary AGM or Flooded battery bank.  A boost button lets your house batteries start your ignition when your starter battery is dead. This kit is ideal for van conversions and skoolies.  

Enable 120A alternator charging of a lead-acid battery bank from a tow vehicle via the 7-pin connector.  This kit is ideal for horse trailers, cargo trailers, or anything connected to a tow vehicle with a 7-pin connector and not originally configured for house battery alternator charging.

Enable 120A alternator charging of a drop-in lithium battery bank.  A boost button lets your house batteries start your ignition when your starter battery is dead. This kit is ideal for van conversions and skoolies. Not for use with alternators rated less than 100A.

Enable 230A alternator charging of a drop-in lithium battery bank.  A boost button lets your house batteries start your ignition when your starter battery is dead. This kit is ideal for van conversions and skoolies.  Not for use with alternators rated less than 100A.

Enable 120A alternator charging of a drop-in lithium battery bank from a tow vehicle.  This kit is ideal for trailers and fifth wheels.

Enable 200A alternator charging of a V4 lithium battery system.  A boost button lets your house batteries start your ignition when your starter battery is dead. This kit is ideal for van conversions and skoolies.   Not for use with alternators rated less than 100A.

Victron Cyrix smart battery combiners connect your house battery bank to your starter battery and alternator to allow alternator charging. Additionally, when a charge is applied to a house battery bank the Cyrix will close and allow current to flow to the starter battery. Select an appropriate Cyrix based on your house battery type and alternator current rating.

Alternator 160A or less - 120A Cyrix
Alternator more than 160A - 230A Cyrix

Manually disconnect alternator charging to your house battery bank.  Ideal for Sprinter conversions.

This device is connected between a house battery bank and a starter battery to charge the starter battery.

The Magnum SBC is an innovative, 25 amp two-bank battery combiner. It is designed to monitor and charge a second battery using a portion of the current that is charging the primary battery.