Free Shipping For Orders Over $1,000

Isuzu D-MAX Dual Battery (2022+)

$1,610.00

5 Year Warranty

Australian Made

Lifetime Customer Support

30+ Installers Australia-Wide

Complete Your Setup

ADD A BATTERY CHARGER

- Redarc BCDC Core 25

$350.00 $420.00

- Redarc BCDC Core 40

$430.00 $480.00

ADD A BATTERY MONITOR

- Redarc Smart Battery Monitor

$270.00 $280.00

- Victron Smartshunt 500A

$125.00 $135.00

$1,610.00

Isuzu D-MAX Dual Battery (2022+)

From $1,610.00

Description

Our auxiliary battery systems are Australian-Made certified meaning you're supporting Australian jobs and help drive innovation & manufacturing in Australia.

Dual Battery and mounting tray for behind rear seat of newer model Isuzu DMAX 2022+

Mix & Match to create the perfect setup to power your adventure
Choose from your size battery capacity requirements, and add the components you need to charge your battery, and power everything you need.

Please note that not all items in the images are supplied unless selected in the customisation options. Wiring Kit not included.

Note: For 280ah and larger capacities, the mounting tray is not included and requires modification to the rear wall carpet & plastic trims to fit the battery.

Delivery & Shipping

Domestic Shipping

We offer free shipping on all orders over $1,000. We aim to dispatch all orders within 3 business days of order, where stock is available. For custom orders or backorders we’ll communicate directly with you within 2 business days of ordering.

All orders are shipped via TNT (FedEx) Road Express, which generally means:

  • Next business day delivery between major cities
  • Delivery within 2-7 working days elsewhere 

Our shipping insurance applies to approved shipping methods only, we encourage you to purchase additional shipping cover which is charged at 2.5% of the total cost of goods. This additional cover option secures a priority rebuild & express shipping of your order in the event of a shipping loss. By selecting this option, you are ensuring the goods are fully covered during transit and that Custom Lithium will fully cover the shipping and cost of repair or replacement of goods.

If this option is not selected, Custom Lithium is not liable for the delivery and state of goods as delivery is completed by third-party providers.

If there is an issue with your delivery or you suspect damage based on the state of the packaging, please take photos and DO NOT ACCEPT OR SIGN for the delivery of the items.

International Shipping

We are able to ship your order anywhere in the world, however, we require customers to organise their own freight for international orders. Please contact us if you wish to have your battery shipped overseas.

Proudly Certified as Australian Made

Built in Australia, for Australia. We know the toughest tracks demand the highest quality gear. Purchasing Custom Lithium batteries not only supports the Australian manufacturing industry, but ensures your battery is of the highest quality.

POWERING YOUR...

STARLINK

240v Inverter

FRIDGE

Induction Cooker

Air Compressor

Computer

Camera

Lights

Unmatched Safety & Performance

To maximise safety and performance, this battery is crafted with A-grade automotive LiFePO4 lithium cells. LiFePO4 is considered the safest type of lithium battery and is ideal for demanding environments ensuring safety and reliability.

CUSTOM ENCLOSURE

We've minimised the size of this battery allowing it to fit perfectly in your vehicle without compromising on space. Each housing is custom designed to ensure maximum power with the minimum footprint.

Built to Last a Lifetime

Our custom aluminium enclosure is designed to reduce the battery's footprint and protect the cells. All components are insulated against vibration to protect your setup against corrugations and the effects of remote travel giving you confidence to explore without limits.

Built to the Highest Standard

To protect your battery we’ve equipped it with a Heltech BMS and active balancer; the BMS safeguards against overheating, over-discharge, and short-circuiting, while the active balancer maintains optimal performance by managing and protecting individual cells.

Backed to go the Distance

We take pride in the quality and craftsmanship of our batteries, which is why we offer a full 5-year warranty to give you peace of mind. Each battery is individually bench-tested so you can trust it to perform no matter where your adventures take you.

Australian Made

Certified Australian Made, our batteries are built in Brisbane and meet the highest standard of craftsmanship. Your purchase not only ensures you’re receiving a premium product but also supports the local economy and helps to keep manufacturing in Australia.

Engineered for Adventure

Designed by our team of off-roading enthusiasts, our lithium batteries are built to power your off-grid adventures.

Proudly Certified as Australian Made

Built in Australia, for Australia. We know the toughest tracks demand the highest quality gear. Purchasing this battery not only supports the Australian manufacturing industry, but ensures your battery is of the highest quality.

LITHIUM BATTERY FAQS

Can I swap my AGM Deep Cycle Battery for a Custom Lithium Battery?

The possibility of swapping your AGM battery for a Custom Lithium Battery primarily depends on your current charging setup. AGM and lithium batteries have distinct charging cycles and chemical properties. Lithium batteries, while lighter and more efficient with a longer lifespan, require more precise charging profiles to prevent damaging the battery and to prevent overcharging and avoid potential safety hazards.Before proceeding with a swap, it’s crucial to verify that your existing chargers and related equipment are compatible with lithium batteries. Ensure to consult the manuals for your DC-DC charger, solar charge controller, and 240V charger, among others. These should support the specific needs of lithium batteries to facilitate a safe and effective transition from AGM to lithium technology.

What size DCDC charger do I need for my lithium battery?

All the DC-DC chargers we offer are fully compatible with Custom Lithium Batteries. Whether you choose a charger with a built-in MPPT solar regulator or a straightforward DC-DC charger, you’ll find an option that suits your needs.The choice between smaller and larger DCDC charger models largely depends on your desired charging speed. For our larger batteries, we recommend opting for a larger DC-DC charger to ensure more efficient recharging. However, even our smaller batteries can handle a robust 40A charger for quicker charging. Alternatively, using a smaller DCDC charger, such as 25A or 30A, is also viable but expect slower charging times.If you are considering a charger from a third party or planning to use an existing one, make sure the lithium DCDC charger is configured to support a 13.4-13.6 volts absorption/float charge and a bulk charge of 14.2-14.6 volts to ensure optimal charging performance and battery health.

What charging profile should I use to charge my lithium battery?

For optimal performance, specific charging parameters need to be adhered to. The battery requires a charge voltage between 14.2V and 14.6V for effective charging. The absorption and float voltage should be maintained between 13.4V and 13.6V to ensure the battery is charged safely without risking overcharge.If your charger, like the Victron 12-12/30, offers a LiFePO4 setting, it’s advised to use this option to align with the battery’s requirements. This setting ensures that the charger outputs the correct voltage profile and maximizes the battery’s performance and longevity.

Are Custom Lithium Batteries IEC-62619 certified?

All Custom Lithium batteries are made with high-quality IEC-62619 certified components and meet the AS/NZS 3001 recommendations.

How do I restart a flat Lithium Battery?

There are two main methods to restart an Ultra Slim Lithium Battery that has run flat:

Method 1: The simplest method involves using a lithium-compatible 240V charger with a ‘power supply’ mode. Connect the Ultra Slim Lithium Battery to the charger, set it to ‘power supply’ mode, and allow it to charge until full. This method helps wake up the battery and continue charging.

Method 2: If you do not have access to a 240V charger, you can restart your battery using another 12V battery with similar voltage and capacity:

  • Equip yourself with jumper leads with positive and negative clamps.
  • Position the two batteries next to each other, ensuring they do not touch.
  • Connect the positive clamp of the jumper leads to the positive terminal of both batteries.
  • Connect the negative clamp to the negative terminal of both batteries.
  • Activate the vehicle or power source equipped with a DC-DC charger to start the charge.
  • Once charging is confirmed, carefully disconnect the jumper leads, starting with the negative.

If your Ultra Slim Lithium Battery remains unresponsive after an extended discharge period, it may require servicing. Please return it to Custom Lithium for a professional assessment. It is highly recommended to fully charge the battery after a successful reset to ensure optimal performance.

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Isuzu D-MAX Dual Battery (2022+)

From $1,610.00

Dimensions

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Continuous BMS AMPs

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Peak Discharge

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Constant Charge

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Peak Charge

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Cut Off Voltage

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Absorption/Float

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Charge Voltage

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Terminals

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