Alternator & Starter Battery Charging

RV Alternator Charging Kits (Lithium Batteries)

  • DC/DC charging options

    DC/DC chargers give three-stage charging, current regulation, and are capable of bringing batteries up to 100% State of Charge

  • Battery combiner options

    Battery Combiners deliver higher current up to about 80% State of Charge and aren’t recommended for alternators rated less than 160A, battery banks that can’t handle 160A, or vehicles with warranties that stipulate a lower charge rate.

  • DC/DC Charging: Motorhome, Van, Skoolie

    Enable DC/DC charging from your alternator to a secondary Lithium, AGM or Flooded battery bank. This kit is ideal for van conversions and skoolies with older alternators or lithium batteries with input current limits under 100A. Ideal for: Vans, skoolies, motorhomes *Please note...

    from: $226.95

  • DC/DC Charging: Trailer, Truck Camper, 5th Wheel

    Enable DC/DC charging from your alternator to a secondary Lithium, AGM, or Flooded battery bank. This kit is ideal for systems with older alternators or lithium batteries with input current limits under 100A. Ideal for: Trailers/5th Wheels/Truck Campers *Please note that cables length...

    from: $169.15

  • Battery Combiner for Drop-In Lithium

    Enable alternator charging to a drop-in lithium battery bank. An optional boost feature lets your house batteries start your ignition when your starter battery is dead. Not for use with alternators rated less than 160A, Smart Alternators, or rigs with regenerative braking.  ...

    from: $415.00

  • Battery Combiner for Victron Lithium

    Enable 200A alternator charging of a Victron 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 not designed to...

    $495.00

RV Alternator Charging Kits (Lead-acid Batteries)

  • 120A Alternator Charger Kit (AGM Battery)

    Please contact us to purchase. We want to ensure you are getting the kit and system needed for your application. Enable 120A alternator charging of a secondary AGM or Flooded battery bank.  A boost button lets your house batteries start your ignition when...

    $295.00

  • 230A Alternator Charger Kit (AGM Battery)

    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. A Cyrix based alternator charger will...

    $475.00

  • Tow Vehicle Alternator Charger Kit (AGM)

    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...

    $150.00

Misc. Alternator/Starter Charging Kits

  • Straight Shot Alternator Kit

    Designed for a Ford Transit with a 175A CCP (Consumer Connection Port) #2 that is only active when the ignition is on. This kit will allow a straight shot passthrough from your alternator to a house battery system. This kit comes with 25’...

    $250.00

  • Boost Bypass Kit (For Orion Alternator Kits)

    Designed for alternator charging kits that utilize an Orion or other form of DC/DC charging. This kit will allow a momentary emergency boost feature if one is in need of jump-starting their chassis battery. This kit comes with 32’ of 2/0 cable, a...

    $450.00

Misc. Alternator/Starter Charging Components

  • Victron Cyrix Battery Combiner

    Victron Cyrix 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....

    Quantity:
    from: $75.65
  • EV200 Relay

    EV200 Relay

    12/24V high current relay AM Solar Part Number:  RELAY-EV20

    Quantity:
    $180.00

  • Temperature Sensor for BMV-712

    Support from AMSolar is definitely 5 stars. 1st line of support for Victron equipment provided through distributors. AMSolar likely one of the best when it comes to RVs.

    Tom B

  • Zamp 2 Pole Plug, PV Side

    AM Solar is my “go to” website and store for all my solar needs. They provide technical advice to help ensure you are choosing the correct components. Their parts and connectors are high quality and come with heat shrink cabling to ensure a water tight connection.

    Bryan S

  • Liquid Tight Strain Relief for 10/2 cable

    Tight fit on the cables (my 10 AWG cables have extra thick insulation so it was harder to get the wire in but it did work!

    Bob S

  • VE SmartSolar MPPT 150/85-Tr VE.Can

    Hands down the best source for your RV solar needs. From the very knowledgeable CSR who answered the phone to the solar technician. They reviewed my current system then gave recommendations for improvements.

    Ken I

  • Zamp ATP Prep Kit – Male

    This is a nice kit to have. Everything needed to attach your panel to the zamp box. Very slick. Highly recommend.

    Steve S

  • AM Solar Roof Combiner Box (C-Box)

    Well layed out and easy access for running wires inside. The top of the box has a seal and overlays the bottom half giving good moisture control. This new version is greatly improved.

    Pamela D

  • Dicor Sealant

    I visit a lot of industrial manufacturing and assembly facilities in my job as an environmental engineer. Sometimes it evident that a facility has an organized mind at work setting things up. I get that feeling with AM Solar. Keep up the good work guys.

    Dan M

  • Dicor Sealant

    I enjoy doing business with AM Solar. All the employees have been there a long time. They know and use the products the sell. They are knowledgeable and very helpful. They are the first company I turn to for my Airstream solar needs.

    Keith W

  • VHB Tape, two 5″ Strips

    I enjoy doing business with AM Solar. All the employees have been there a long time. They know and use the products the sell. They are knowledgable and very helpful. They are the first company I turn to for my Airstream solar needs.

    Keith W

  • TEROSON MS 5510 Sealant (legacy)

    This is the 2nd large order I have made from AM Solar. They are absolutely the best. Garret went above and beyond helping me, a do it yourselfer, know what I needed to buy. The kits are especially helpful with all the small accessories.

    Scott M

  • TEROSON MS 5510 Sealant (legacy)

    I enjoy doing business with AM Solar. All the employees have been there a long time. They know and use the products the sell. They are knowledgeable and very helpful. They are the first company I turn to for my Airstream solar needs.

    Keith W

  • Roof Wire Harness Acc. Kit

    I enjoy doing business with AM Solar. All the employees have been there a long time. They know and use the products the sell. They are knowledgeable and very helpful. They are the first company I turn to for my Airstream solar needs.

    Keith W