Dual Battery Kits - DIY Complete 12V 4X4 Kits

Power up your 4WD for the tracks ahead with our rugged Dual Battery Kits — the ultimate solution for keeping your gear running when you’re off the grid. Whether you're tackling sand dunes, deep bush, or the weekend camp spot, these kits give you reliable power for fridges, lights, tools, and more. Designed for easy installs and tough conditions, they’re perfect for tourers, weekend warriors, and serious off-road rigs.

ULTRA-X DUAL BATTERY KITS

Shop Ultra-X Lithium Dual Battery Kits

Our most advanced, compact high-capacity lithium battery series!

Our Ultra X Dual Battery Kits provide advanced lithium power for serious 4WDers, caravans, and tourers, offering unmatched performance and reliability off the grid.

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KickAss ProductsKickAss Ultra - X 230Ah Premium Base Compact Lithium Dual Battery KitKAULTRAX - DBK1

KickAss Smart 12V 230Ah Ultra-X Compact Lithium Premium Dual Battery Kit with 40A DCDC Charger, Wiring

RRP $2,784.75

$ 2031

SAVE $753.75

5.0

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KickAss Smart 12V 230Ah Ultra-X Lithium Compact Premium Dual Battery Kit - Arctic White with 40A DCDC Charger, Wiring

RRP $2,784.75

$ 2031

SAVE $753.75

5.0

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KickAss Smart 12V 230Ah Ultra-X Slimline Lithium Premium Dual Battery Kit with 40A DCDC Charger, Wiring

RRP $2,944.65

$ 2079

SAVE $865.65

4.9

Rated 4.9 out of 5 stars

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KickAss Smart 12V 230Ah Ultra-X Lithium Slimline Premium Dual Battery Kit - Arctic White with 40A DCDC Charger, Wiring

RRP $2,944.65

$ 2079

SAVE $865.65

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KickAss QuickFire Portable 2000W Induction Cooktop For Camping

KickAss Smart 12V 230Ah Ultra-X Compact Lithium Complete Dual Battery Kit with 2000W Inverter, 40A DCDC Charger, Control Box, Display Panel, Wiring

RRP $3,994.55

$ 2744

SAVE $1,250.55

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KickAss ProductsKickAss Ultra - X 230Ah Premium Slimline Lithium Dual Battery KitKAULTRAX230SLLIONDBKIT

KickAss Smart 12V 230Ah Ultra-X Slimline Lithium Complete Dual Battery Kit with 2000W Inverter, 40A DCDC Charger, Control Box, Wiring

RRP $4,054.60

$ 2715

SAVE $1,339.60

4.9

Rated 4.9 out of 5 stars

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KickAss Smart Ultra-X 12V 230Ah Compact Lithium Complete Dual Battery Kit - Arctic White with 2000W Inverter, 40A DCDC Charger, Control Box, Wiring

RRP $3,954.60

$ 2715

SAVE $1,239.60

5.0

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KickAss Smart Ultra-X 12V 230Ah Slimline Lithium Complete Dual Battery Kit - Arctic White with 2000W Inverter, 40A DCDC Charger, Control Box, Wiring

RRP $4,054.60

$ 2715

SAVE $1,339.60

4.9

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KickAss ProductsKickAss ULTRA - X 460Ah Slimline Lithium Dual Battery Kit With 3000W InverterKA - ULTRAX - 460SLIM - 3000 - KIT

KickAss Twin 12V 230Ah Ultra-X Slimline Lithium Dual Battery Kit with 3000W Inverter, 40A DCDC Charger, Display Panel, Wiring - 460Ah Capacity

RRP $6,289.55

$ 4405

SAVE $1,884.55

4.9

Rated 4.9 out of 5 stars

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KickAss ProductsKickAss ULTRA - X 460Ah Slimline Lithium Dual Battery Kit With 3000W Inverter and Control BoxKA - ULTRAX - 460SLIM - 3000 - CB - KIT

KickAss Twin 12V 230Ah Ultra-X Slimline Lithium Dual Battery Kit with 3000W Inverter, 40A DCDC Charger, Control Box, Display Panel, Wiring - 460Ah Capacity

RRP $6,469.50

$ 4529

SAVE $1,940.50

4.9

Rated 4.9 out of 5 stars

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KickAss ProductsKickAss ULTRA - X 460Ah Compact Lithium Dual Battery Kit With 3000W InverterKA - ULTRAX - 460C - 3000 - KIT

KickAss Twin 12V 230Ah Ultra-X Compact Lithium Dual Battery Kit with 3000W Inverter, 40A DCDC Charger, Display Panel, Wiring - 460Ah Capacity

RRP $6,079.55

$ 4396

SAVE $1,683.55

5.0

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KickAss ProductsKickAss ULTRA - X 920Ah Compact Lithium Dual Battery Kit With 3000W Inverter and Control BoxKA - ULTRAX - 920C - 3000 - CB - KIT

KickAss 4 x 12V 230Ah Ultra-X Compact Lithium Dual Battery Kit with 3000W Inverter, 40A DCDC Charger, Control Box, Display Panel, Wiring - 920Ah Capacity

RRP $10,149.40

$ 7462

SAVE $2,687.40

5.0

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KickAss ProductsKickAss ULTRA - X 690Ah Compact Lithium Dual Battery Kit With 3000W Inverter and Control BoxKA - ULTRAX - 690C - 3000 - CB - KIT

KickAss Triple 12V 230Ah Ultra-X Compact Lithium Dual Battery Kit with 3000W Inverter, 40A DCDC Charger, Control Box, Display Panel, Wiring - 690Ah Capacity

RRP $8,204.45

$ 5991

SAVE $2,213.45

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KickAss ProductsKickAss ULTRA - X 460Ah Compact Lithium Dual Battery Kit With 3000W Inverter and Control BoxKA - ULTRAX - 460C - 3000 - CB - KIT

KickAss Twin 12V 230Ah Ultra-X Compact Lithium Dual Battery Kit with 3000W Inverter, 40A DCDC Charger, Control Box, Display Panel, Wiring - 460Ah Capacity

RRP $6,259.50

$ 4519

SAVE $1,740.50

5.0

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KickAss ProductsKickAss ULTRA - X 690Ah Slimline Lithium Dual Battery Kit With 3000W Inverter and Control BoxKA - ULTRAX - 690SLIM - 3000 - CB - KIT

KickAss Triple 12V 230Ah Ultra-X Slimline Lithium Dual Battery Kit with 3000W Inverter, 40A DCDC Charger, Control Box, Display Panel, Wiring - 690Ah Capacity

RRP $8,524.45

$ 6010

SAVE $2,514.45

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KickAss ProductsKickAss 230Ah Ultra - X Slimline Lithium Dual Battery Kit - Complete Touring SystemKA230UXSLIMCOMPCKIT

KickAss Smart 12V 230Ah Ultra X Lithium Slimline Complete Dual Battery Kit with 2000W Inverter, Control Hub with 40A DCDC Charger, Display Panel, Wiring

RRP $3,984.65

$ 2801

SAVE $1,183.65

4.9

Rated 4.9 out of 5 stars

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LITHIUM DUAL BATTERY KITS

Shop Lithium Dual Battery Kits

Efficient Power for Modern Adventures

Power-hungry trips? Choose our Lithium Dual Battery Kits. Lighter, longer-lasting and faster-charging than standard batteries, they keep fridges, lights and other gear running reliably wherever you roam.

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KickAss Ultra Slim 105AH Lithium Battery Value Bundle

RRP $2,154.75

$ 1199

SAVE $955.75

4.8

Rated 4.8 out of 5 stars

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KickAss Smart 12V 120Ah Lithium Slimline Dual Battery Kit with 40A DCDC Charger, Tray & Wiring

RRP $2,039.75

$ 1358

SAVE $681.75

4.9

Rated 4.9 out of 5 stars

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KickAss ProductsKickAss 120Ah Complete Smart Slimline Lithium Dual Battery KitKA120COMPSLIMLIDBKSMART

KickAss Smart 12V 120Ah Lithium Complete Dual Battery Kit with 1000W Inverter, 25A DCDC Charger, Display Panel, Tray & Wiring

RRP $2,499.50

$ 1624

SAVE $875.50

4.9

Rated 4.9 out of 5 stars

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KickAss PowerBoss 2000W Off-Grid System with Bluetooth, Alternator Wiring Kit, 230Ah Battery & Power Accessories

RRP $5,504.70

$ 3765

SAVE $1,739.70

4.9

Rated 4.9 out of 5 stars

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KickAss Smart 12V 230Ah Ultra-X Slimline Lithium Premium Dual Battery Kit with 40A DCDC Charger, Wiring

RRP $2,944.65

$ 2079

SAVE $865.65

4.9

Rated 4.9 out of 5 stars

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KickAss 12V 120Ah Lithium Essentials Dual Battery Kit with 25A DCDC Charger, Wiring Kit and Maxi Fuse Holder

RRP $1,429.80

$ 887 95

SAVE $541.85

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KickAss 12V 105Ah Ultra Slimline Lithium Essentials Dual Battery Kit with 25A DCDC Charger and Wiring Kit

RRP $1,794.90

$ 1120

SAVE $674.90

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KickAss Ultra-X 230Ah Slimline Lithium Complete Dual Battery Kit with Control Hub & 2000W Inverter

RRP $4,284.65

$ 2943

SAVE $1,341.65

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KickAss ProductsKickAss Smart 105Ah Ultra Slimline Lithium Dual Battery KitKA - SMART - 105SLIM - KIT

KickAss Smart 12V 105Ah Ultra Slim Lithium Dual Battery Kit with 25A DCDC Charger, Display Panel, and Wiring

RRP $1,974.80

$ 1080

SAVE $894.80

4.8

Rated 4.8 out of 5 stars

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KickAss ProductsKickAss 12V 230Ah Slimline Lithium Complete Dual Battery Kit with 40A DCDC Control Hub, Heavy Duty Wiring Kit and Remote Display UnitKADBKIT230SLIMXLION

KickAss 12V 230Ah Slimline Lithium Complete Dual Battery Kit with 40A DCDC Control Hub, Heavy Duty Wiring Kit and Remote Display Unit

RRP $3,254.80

$ 2354

SAVE $900.80

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KickAss Smart 12V 230Ah Ultra-X Slimline Lithium Complete Dual Battery Kit with Control Box, 40A DCDC Charger & Wiring

RRP $3,064.70

$ 2155

SAVE $909.70

4.9

Rated 4.9 out of 5 stars

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KickAss ProductsKickAss Smart 12V 120Ah Slimline Lithium Premium Dual Battery Kit with 25A DCDC Charger, Control Box, Display Panel, Tray & WiringKA12120SLIMDCDCKIT

KickAss Smart 12V 120Ah Slimline Lithium Premium Dual Battery Kit with 25A DCDC Charger, Control Box, Display Panel, Tray & Wiring

RRP $2,299.50

$ 1552

SAVE $747.50

4.9

Rated 4.9 out of 5 stars

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KickAss Smart 12V 105Ah Ultra-Slimline Lithium Battery with Control Box, 25A DCDC Charger, Wiring & Fuse Holder

RRP $1,994.80

$ 1310

SAVE $684.80

4.8

Rated 4.8 out of 5 stars

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KickAss Smart 12V 120Ah Lithium Dual Battery Kit with 40A DCDC Charger, Tray & Wiring

RRP $2,139.65

$ 1404

SAVE $735.65

5.0

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KickAss ProductsKickAss 12V 200Ah Lithium Dual Battery Kit with 2000W Inverter, 40A DCDC Charger, Display Panels, Tray & WiringKA - 12V - 200 - 2000 - KIT

KickAss 12V 200Ah Lithium Dual Battery Kit with 2000W Inverter, 40A DCDC Charger, Shunt, Display Panel, Tray & Wiring

RRP $3,548.60

$ 2051

SAVE $1,497.60

4.7

Rated 4.7 out of 5 stars

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KickAss Smart 12V 230Ah Ultra-X Compact Lithium Complete Dual Battery Kit with 2000W Inverter, 40A DCDC Charger, Control Box, Display Panel, Wiring

RRP $3,994.55

$ 2744

SAVE $1,250.55

5.0

Rated 5.0 out of 5 stars

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AGM DUAL BATTERY KITS

Shop AGM Dual Battery Kits

Proven Reliability for Every Journey

KickAss AGM Dual Battery Kits offer reliable power for all your gear. Built with durable AGM technology, these kits are perfect for tough conditions, whether you're camping for the weekend or off-roading for longer adventures.

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KickAss 12V 170Ah Slimline Deep Cycle AGM Battery + Tray Bundle

RRP $659.90

$ 454 95

SAVE $204.95

4.8

Rated 4.8 out of 5 stars

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KickAss 12V 170AH SLIM Deep Cycle AGM Battery Twin Pack With Cables

KickAss Twin 12V 170Ah Slimline Deep Cycle AGM Battery Bundle with Linking Cables - 340Ah Total Capacity

RRP $999.85

$ 758 95

SAVE $240.90

4.8

Rated 4.8 out of 5 stars

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KickAss 12V 170Ah Slimline Deep Cycle AGM Complete Dual Battery Kit with 25A DCDC Charger, Shunt, Tray & Wiring

RRP $1,239.65

$ 996 95

SAVE $242.70

4.8

Rated 4.8 out of 5 stars

186

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KickAss Portable Battery Box & 120AH Battery Combo

RRP $599.95

$ 483 95

SAVE $116

4.9

Rated 4.9 out of 5 stars

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KickAss 12V 120Ah Deep Cycle AGM Premium Dual Battery Kit with 25A DCDC Charger, Shunt, Tray & Wiring

RRP $879.70

$ 757 95

SAVE $121.75

4.8

Rated 4.8 out of 5 stars

416

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KickAss 12V 120AH SLIM Deep Cycle AGM Battery Twin Pack With Linking Cables

KickAss Twin 12V 120Ah Slimline Deep Cycle AGM Battery Bundle with Linking Cables - 240Ah Total Capacity

RRP $619.85

$ 454 95

SAVE $164.90

4.8

Rated 4.8 out of 5 stars

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KickAss 12V 120Ah Deep Cycle AGM Battery + Battery Tray Bundle

RRP $429.90

$ 302 95

SAVE $126.95

4.8

Rated 4.8 out of 5 stars

196

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KickAss ProductsKickAss Twin 12V 120Ah Slimline Deep Cycle AGM Complete Dual Battery Kit with 1000W Inverter, 40A DCDC Charger, Tray & Wiring - 240Ah CapacityKA240COMPSLIMAGMDBK

KickAss Twin 12V 120Ah Slimline Deep Cycle AGM Complete Dual Battery Kit with 1000W Inverter, 40A DCDC Charger, Tray & Wiring - 240Ah Capacity

RRP $2,189.40

$ 1519

SAVE $670.40

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KickAss 12V 120Ah Slimline AGM Essentials Dual Battery Kit with 25A DCDC Charger, Wiring Kit, Battery Tray, Accessory Panel and Maxi Fuse Holder

RRP $1,009.70

$ 749 95

SAVE $259.75

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KickAss ProductsKickAss 12V 170Ah Slimline AGM Essentials Dual Battery Kit with 25A DCDC Charger, Battery Tray, Wiring Kit, Accessory Panel and Maxi Fuse HolderKADBKIT170AGMTRAY

KickAss 12V 170Ah Slimline AGM Essentials Dual Battery Kit with 25A DCDC Charger, Battery Tray, Wiring Kit, Accessory Panel and Maxi Fuse Holder

RRP $1,239.70

$ 901 95

SAVE $337.75

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KickAss Twin 12V 170Ah Slimline Deep Cycle AGM Complete Dual Battery Kit with 1000W Inverter, 40A DCDC Charger, Tray & Wiring - 340Ah Capacity

RRP $2,649.40

$ 1823

SAVE $826.40

4.8

Rated 4.8 out of 5 stars

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KickAss 12V 120Ah Deep Cycle AGM Essentials Dual Battery Kit with 25A DCDC Charger, Monitor, and Wiring

RRP $739.75

$ 654 95

SAVE 11%

4.8

Rated 4.8 out of 5 stars

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KickAss 12V 120Ah Deep Cycle AGM Battery + 22A Charger Bundle

RRP $549.90

$ 359 95

SAVE $189.95

4.8

Rated 4.8 out of 5 stars

416

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KickAss 12V 170Ah Slimline Deep Cycle AGM Battery Bundle with Tray & Wiring Kit

RRP $739.85

$ 530 95

SAVE $208.90

4.8

Rated 4.8 out of 5 stars

186

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KickAss 12V 120Ah Slimline Deep Cycle AGM Essentials Dual Battery Kit with 25A DCDC Charger, Monitor, and Wiring

RRP $739.75

$ 654 95

SAVE 11%

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KickAss 12V 170Ah Slimline Deep Cycle AGM Battery + 22A Charger Bundle

RRP $739.90

$ 511 95

SAVE $227.95

4.8

Rated 4.8 out of 5 stars

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DUAL BATTERY BOX KITS

Portable Power in a Box

Our Dual Battery Box Kits provide a simple, reliable power solution with everything you need: a sturdy battery box, DCDC chargers, and wiring. Perfect for hassle-free, plug-and-play power on your adventures.

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KickAss 205Ah Lithium Battery Box Premium Dual Battery Kit with Tray & Wiring

RRP $2,708.90

$ 1799

SAVE $909.90

5.0

Rated 5.0 out of 5 stars

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KickAss 125Ah Lithium Battery Box Premium Dual Battery Kit with Tray & Plug and Play Wiring

RRP $1,628.90

$ 1357

SAVE $271.90

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KickAss 205Ah Lithium Battery Box + 2000W Inverter Bundle

RRP $3,558.85

$ 2250

SAVE $1,308.85

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KickAss ProductsKickAss 150Ah Essential Lithium Dual Battery Box Kit

KickAss 150Ah Lithium Power Station Essentials Dual Battery Kit with DCDC Charger, Tray & Wiring

RRP $2,708.83

$ 1718

SAVE $990.83

4.9

Rated 4.9 out of 5 stars

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KickAss 205Ah Lithium Battery Box Complete Dual Battery Kit with 2000W Inverter, AC Charger & Wiring

RRP $4,358.65

$ 2810

SAVE $1,548.65

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KickAss 205Ah Lithium Battery Box + 50A Smart AC Charger Bundle with Tray

RRP $3,078.90

$ 2069

SAVE $1,009.90

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KickAss 125Ah Lithium Battery Box + 32A AC Charger Bundle with Tray

RRP $1,878.90

$ 1480

SAVE $398.90

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KickAss 125Ah Lithium Battery Box + 1000W Inverter Bundle

RRP $1,988.85

$ 1480

SAVE $508.85

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KickAss 230Ah Lithium Slimline Complete Dual Battery Kit with 40A DCDC Charger, Smart Shunt and Wiring

RRP $3,134.75

$ 2170

SAVE $964.75

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KickAss 125Ah Lithium Battery Box Complete Dual Battery Kit with 1000W Inverter, AC Charger & Wiring

RRP $2,588.65

$ 1927

SAVE $661.65

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KickAss ProductsKickAss 150Ah Complete Lithium Dual Battery Box KitKA150COMPLIDBBK

KickAss 12V 150Ah Lithium Power Station Complete Dual Battery Kit with 2000W Inverter, DCDC Charger, Display Panel, Tray & Wiring

RRP $3,968.63

$ 2430

SAVE $1,538.63

4.9

Rated 4.9 out of 5 stars

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KickAss 230Ah Lithium Slimline Complete Dual Battery Kit with 40A DCDC Charger, Smart Shunt and Wiring - Arctic White

RRP $3,134.75

$ 2170

SAVE $964.75

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KickAss 230Ah Lithium Compact Complete Dual Battery Kit with 40A DCDC Charger, Smart Shunt and Wiring - Arctic White

RRP $3,034.75

$ 2170

SAVE $864.75

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KickAss 230Ah Lithium Compact Complete Dual Battery Kit with 40A DCDC Charger, Smart Shunt and Wiring

RRP $3,034.75

$ 2170

SAVE $864.75

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KickAss 230Ah Lithium Slimline Complete Dual Battery Kit with 40A DCDC Charger, Smart Shunt and Wiring - Black Edition

RRP $3,134.75

$ 2341

SAVE $793.75

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POWERBOSS KITS

Shop PowerBoss Dual Battery Kits

All-In-One Power!

Say goodbye to messy installs and complex 12V builds. PowerBoss combines a 2000W inverter, 80A ACDC charger, 40A DCDC MPPT, and DC load monitoring into a single, plug-and-play unit.

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KickAss ProductsKickAss PowerBoss Canopy Base Kit with 230Ah Slimline LithiumKAPBCANOPYSLIMBASE230

KickAss PowerBoss Canopy Base Kit with 230Ah Slimline Lithium Battery

RRP $5,039.90

$ 2999

SAVE $2,040.90

4.9

Rated 4.9 out of 5 stars

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KickAss PowerBoss Canopy Base Bundle with 230Ah Slimline Lithium Battery & Remote Display

RRP $5,164.90

$ 3099

SAVE $2,065.90

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KickAss PowerBoss Canopy Base Kit with 230Ah Lithium Battery

RRP $4,389.95

$ 3066

SAVE $1,323.95

4.9

Rated 4.9 out of 5 stars

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KickAss PowerBoss 2000W Off-Grid System with Bluetooth, Alternator Wiring Kit, 230Ah Battery & Power Accessories

RRP $5,504.70

$ 3765

SAVE $1,739.70

4.9

Rated 4.9 out of 5 stars

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KickAss PowerBoss Canopy Base Kit with 460Ah Slimline Lithium

RRP $6,544.90

$ 4890

SAVE $1,654.90

4.9

Rated 4.9 out of 5 stars

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KickAss PowerBoss Canopy Base Bundle with 230Ah Lithium Battery & Remote Display

RRP $4,489.95

$ 3154

SAVE $1,335.95

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KickAss PowerBoss Canopy Base Kit with 460Ah Lithium Power

RRP $6,334.90

$ 4880

SAVE $1,454.90

4.9

Rated 4.9 out of 5 stars

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KickAss PowerBoss 2000W Off-Grid System with 230Ah Battery, Bluetooth, Alternator Wiring Kit & Power Accessories

RRP $5,404.70

$ 3765

SAVE $1,639.70

4.9

Rated 4.9 out of 5 stars

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KickAss PowerBoss Canopy Base Bundle with 230Ah Arctic White Slimline Lithium Battery & Remote Display

RRP $4,589.95

$ 3509

SAVE $1,080.95

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KickAss PowerBoss 2000W Off-Grid System with Bluetooth, Alternator Wiring Kit, 230Ah Arctic White Lithium Battery & Power Accessories

RRP $5,504.70

$ 3765

SAVE $1,739.70

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KickAss PowerBoss Canopy Base Kit with 230Ah Arctic White Slimline Lithium Battery

RRP $4,489.95

$ 2999

SAVE $1,490.95

4.9

Rated 4.9 out of 5 stars

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KickAss PowerBoss 2000W Off-Grid System with Bluetooth, Alternator Wiring Kit & 460Ah Slimline Battery Setup

RRP $7,824.50

$ 5464

SAVE $2,360.50

4.9

Rated 4.9 out of 5 stars

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KickAss PowerBoss Bundle with 230Ah Slimline Lithium Battery, Starlink Mini & Connections Kit

RRP $5,763.90

$ 3884

SAVE $1,879.90

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KickAss PowerBoss Bundle with 230Ah Ultra-X Slimline Lithium Battery, Starlink Mini and Connections

RRP $5,638.90

$ 3784

SAVE $1,854.90

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KickAss PowerBoss Canopy Base Kit with 460Ah Arctic White Lithium Batteries

RRP $6,334.90

$ 4880

SAVE $1,454.90

4.9

Rated 4.9 out of 5 stars

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KickAss PowerBoss Canopy Base Kit with 230Ah Arctic White Lithium Battery

RRP $4,389.95

$ 3066

SAVE $1,323.95

4.9

Rated 4.9 out of 5 stars

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In addition to rugged, off-road-ready construction, our KickAss Dual Battery System Kits are built for easy installation — perfect for both seasoned DIYers and those new to vehicle mods. Whether you're upgrading your 4WD for extended off-grid touring or setting up your weekend adventure rig, these kits deliver dependable, high-performance power to keep your gear running in even the most remote locations.

From the ultra-efficient and lightweight setups found in our Lithium Dual Battery Kits, to the tried-and-tested durability of our AGM Dual Battery Kits, we’ve got a power solution to suit every type of adventurer. Need something portable and flexible? Our Battery Box Dual Battery Kits are the go-to for powering your campsite, fridge, or 12V gear on the fly.

Each kit includes everything you need for a solid, worry-free setup — from DCDC chargers and fuse holders to heavy-duty wiring and battery trays — all designed to work seamlessly together for maximum efficiency and safety.

With KickAss on board, you’re not just buying a power system — you’re unlocking the freedom to explore further, stay longer, and power more, no matter what the Aussie landscape throws your way.