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Custom Build Battery Systems

Portable Battery Box to suit your vehicle, budget and lifestyle. Completely customisable options with your choice of wiring kit, battery box, socket configuration and DCDC charger. 

Connect them to one of our Thunder solar panels for quiet power generation anywhere the sun shines (which is most of Australia).

Looking for a AGM, Lead Crystal or the latest in Lithium? We've got a battery box you can customise for your needs.

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  • Accelerate 4wd and Caravan Electrics DIY Kits Portable Battery Box - Custom Builder
    Accelerate 4wd and Caravan Electrics DIY Kits Portable Battery Box - Custom Builder

    Portable Battery Box - Custom Builder

    $0.00 - $3,208.00
    $0.00
    $1,173.00 - $3,208.00
    $1,173.00 - $3,208.00
    $1,173.00

      We use the Heavy Duty Thunder Battery Box made from Industrial Grade Polypropylene. Some Features we love: Internal battery strap mounts Sepa...

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    $0.00 - $3,208.00
    $0.00
    $1,173.00 - $3,208.00
    $1,173.00 - $3,208.00
    $1,173.00
  • Accelerate Off-Grid Touring DIY Kits Behind-Seat Slimline Dual Battery System Kit Ford Ranger & Mazda BT50
    Accelerate Off-Grid Touring DIY Kits Invicta 100Ah Slimline / RedArc BCDC1225D Behind-Seat Slimline Dual Battery System Kit Ford Ranger & Mazda BT50

    Behind-Seat Slimline Dual Battery System Kit Ford Ranger & Mazda BT50

    $0.00 - $3,105.00
    $0.00
    $1,350.00 - $3,105.00
    $1,350.00 - $3,105.00
    $1,350.00

      Behind-Seat Slimline Battery System – Ford Ranger & Mazda BT-50 Driver’s Side Socket Configuration A complete behind-seat dual battery soluti...

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    $0.00 - $3,105.00
    $0.00
    $1,350.00 - $3,105.00
    $1,350.00 - $3,105.00
    $1,350.00
  • Accelerate 4wd and Caravan Electrics DIY Kits Y62 Patrol Lithium Dual Battery DIY Kit For Under Rear Floor
    Accelerate 4wd and Caravan Electrics DIY Kits Y62 Patrol Lithium Dual Battery DIY Kit For Under Rear Floor

    Y62 Patrol Lithium Dual Battery DIY Kit For Under Rear Floor

    $3,645.00 - $4,795.00
    $3,645.00 - $4,795.00
    $3,645.00 - $4,795.00
    $3,645.00

    Y62 Patrol Lithium Dual Battery DIY Kit For Under Rear Floor 🚨🚨NEW MODEL🚨🚨 - Same great features - but retain the Jack Mount This is the ultimate...

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    $3,645.00 - $4,795.00
    $3,645.00 - $4,795.00
    $3,645.00 - $4,795.00
    $3,645.00
  • Accelerate Off-Grid Touring DIY Kits Toyota Hilux Under Bonnet DIY Dual Battery System Kit 2015 Onwards
    Accelerate Off-Grid Touring DIY Kits Toyota Hilux Under Bonnet DIY Dual Battery System Kit 2015 Onwards

    Dual Battery - Toyota Hilux - Under Bonnet

    $1,425.00 - $3,100.00
    $1,425.00 - $3,100.00
    $1,425.00 - $3,100.00
    $1,425.00

    Not Compatible with the new V-Active Technology Upgrade your Toyota Hilux with our DIY Lithium Under Bonnet Dual Battery Kit, designed for easy ins...

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    $1,425.00 - $3,100.00
    $1,425.00 - $3,100.00
    $1,425.00 - $3,100.00
    $1,425.00
  • Accelerate Off-Grid Touring DIY Kits Dual Battery - LC300 Series - Under Bonnet
    Accelerate Off-Grid Touring DIY Kits Dual Battery - LC300 Series - Under Bonnet

    Dual Battery - 300 Series LandCruiser - Under Bonnet

    $0.00 - $3,736.00
    $0.00
    $2,187.00 - $3,746.00
    $2,187.00 - $3,746.00
    $2,187.00

    Purpose-built for the Toyota LandCruiser 300 Series, this kit mounts a second lithium auxiliary battery beside your start battery while retaining t...

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    $0.00 - $3,736.00
    $0.00
    $2,187.00 - $3,746.00
    $2,187.00 - $3,746.00
    $2,187.00
  • Accelerate Off-Grid Touring DIY Kits Battery Tray - LC300 Series - Under Bonnet
    Accelerate Off-Grid Touring DIY Kits Battery Tray - LC300 Series - Under Bonnet

    Battery Tray - LC300 Series - Under Bonnet

    $395.00 - $395.00
    $395.00
    $395.00 - $395.00
    $395.00

    Toyota LC300 Series Battery Tray – Under-Bonnet Dual Battery System The foundation of a custom dual battery setup for your LC300 The Toyota LC300 S...

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    $395.00 - $395.00
    $395.00
    $395.00 - $395.00
    $395.00
  • Accelerate 4wd and Caravan Electrics DIY Kits Ford NextGen Ranger DIY Behind Seat Dual Battery Kit
    Accelerate 4wd and Caravan Electrics DIY Kits Ford NextGen Ranger DIY Behind Seat Dual Battery Kit

    NextGen Ford Ranger Behind Seat DIY Dual Battery Kit

    $3,575.00 - $3,825.00
    $3,575.00 - $3,825.00
    $3,575.00 - $3,825.00
    $3,575.00

    NextGen Ford Ranger Behind Seat DIY Dual Battery Kit  We have engineered a complete dual battery system that can fit behind the rear seat of your...

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    $3,575.00 - $3,825.00
    $3,575.00 - $3,825.00
    $3,575.00 - $3,825.00
    $3,575.00
  • Accelerate Off-Grid Touring DIY Kits Dual Battery - 79 Series LandCruiser - 100Ah Behind Seat
    Accelerate Off-Grid Touring DIY Kits Dual Battery - 79 Series LandCruiser - 100Ah Behind Seat

    Dual Battery - 79 Series LandCruiser - 100Ah Behind Seat

    $1,545.00 - $3,330.93
    $1,545.00 - $3,330.93
    $1,545.00 - $3,330.93
    $1,545.00

    100Ah Dual Battery Kit for 79 Series – Compact. Capable. Pre-Wired. Looking for a reliable dual battery setup without going all-in on price? This D...

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    $1,545.00 - $3,330.93
    $1,545.00 - $3,330.93
    $1,545.00 - $3,330.93
    $1,545.00
  • Accelerate Off-Grid Touring DIY Kits Dual Battery - 79 Series LandCruiser - 100Ah Behind Seat
    Accelerate Off-Grid Touring DIY Kits Dual Battery - 79 Series LandCruiser - 100Ah Behind Seat

    Dual Battery - 79 Series - Behind Seat 100Ah - Tray Only

    $495.00 - $495.00
    $495.00
    $495.00 - $495.00
    $495.00

    79 Series Dual Battery Mounting Tray – Built for the Big Gear Want to build your own custom behind-seat dual battery setup for your 79 Series? Thi...

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    $495.00 - $495.00
    $495.00
    $495.00 - $495.00
    $495.00
  • Accelerate 4wd and Caravan Electrics DIY Kits Isuzu D-Max & Mazda BT-50 2021 & Onwards - Behind-Seat Slimline Dual Battery System - PASSENGER SIDE SOCKETS
    Accelerate 4wd and Caravan Electrics DIY Kits Isuzu D-Max & Mazda BT-50 2021 & Onwards - Behind-Seat Slimline Dual Battery System - PASSENGER SIDE SOCKETS

    Isuzu Dmax/Mazda BT50 110Ah Lithium Behind Seat DIY Dual Battery Kit

    $3,635.00 - $3,635.00
    $3,635.00
    $3,635.00 - $3,635.00
    $3,635.00

    Isuzu Dmax/Mazda BT50 100Ah Lithium Behind Seat DIY Dual Battery Kit We have engineered a complete dual battery system that can fit behind the re...

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    $3,635.00 - $3,635.00
    $3,635.00
    $3,635.00 - $3,635.00
    $3,635.00
  • Accelerate Off-Grid Touring DIY Kits Dual Battery - 79 Series LandCruiser - 100Ah Behind Seat
    Accelerate Off-Grid Touring DIY Kits Dual Battery - 79 Series LandCruiser - 100Ah Behind Seat - With Jumpstart Feature

    Dual Battery - 79 Series LandCruiser - 100Ah Behind Seat - With Jumpstart Feature

    $1,945.00 - $3,544.00
    $1,945.00 - $3,544.00
    $1,945.00 - $3,544.00
    $1,945.00

    Jumpstart-ready, behind-seat dual battery power built for the 79. This premium DIY dual battery kit is made to mount neatly behind the rear seat on...

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    $1,945.00 - $3,544.00
    $1,945.00 - $3,544.00
    $1,945.00 - $3,544.00
    $1,945.00
  • Accelerate Off-Grid Touring DIY Kits 100Ah Invicta Xero / Redarc Alpha (25A) - Solar Through Grille / Socket Bank 1 Dual Battery - LC300 Series - Under Bonnet - With Jumpstart Feature
    Accelerate Off-Grid Touring DIY Kits Dual Battery - LC300 Series - Under Bonnet - With Jumpstart Feature

    Dual Battery - 300 Series LandCruiser - Under Bonnet - With Jumpstart Feature

    $0.00 - $3,897.00
    $0.00
    $2,388.00 - $3,897.00
    $2,388.00 - $3,897.00
    $2,388.00

    Jumpstart, smart charging, and reliable power — all under the bonnet.Purpose-built for the Toyota LandCruiser 300 Series, this plug & play syst...

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    $0.00 - $3,897.00
    $0.00
    $2,388.00 - $3,897.00
    $2,388.00 - $3,897.00
    $2,388.00