A 100Ah lithium battery is the core of a reliable off-grid setup. Whether you’re keeping food cold, running lights at your camping spot or charging devices while you’re out bush, this compact power source delivers long-lasting performance without the weight or hassle of older battery types.
With a lightweight design, fast recharge times and deep discharge capacity, it’s built for the kind of travel where every bit of space and efficiency counts. Whether you're heading into the high country or parked up by the coast, this battery makes sure your essentials keep running.
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What Makes a 100Ah Lithium Battery Better?
Compared to a traditional AGM or lead-acid battery, a 100Ah lithium battery offers:
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more usable power from the same capacity
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faster recharge times
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less weight for easier handling
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longer cycle life with minimal maintenance.
You can run your fridge longer, charge gear more efficiently and move your setup around without straining your back. It’s the kind of upgrade that makes off-grid living smoother and more dependable.
Perfect for 4WDs, Campers and Emergencies
A 100 ah lithium battery is ideal for:
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running 12V fridges and freezers
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powering LED lights and camp showers
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charging phones, radios and laptops
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providing backup power in remote areas or emergencies.
Pair it with a battery box, some panels and battery chargers – 12V DC to DC, and you’ve got a mobile power system that works day after day.
Features That Matter
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100Ah capacity with high discharge rate
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Lightweight lithium build for easy install and transport
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Fast recharge when paired with solar or DC-DC chargers
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Built-in battery management system (BMS) for safety
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Works with inverters and 12V appliances
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Compatible with AGM deep cycle batteries, lithium and solar-ready setups
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Long cycle life with minimal maintenance
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Performs well in hot and cold conditions
Why Buy from Vic Offroad?
At Vic Offroad, we stock gear made to handle Australian conditions. Our 100Ah lithium batteries are tested for durability, built for real travel and backed by expert support. Whether you're upgrading your setup or starting fresh, we’ll help you choose the right battery for your system. Need more options? View All Batteries
Installation Guidance
Installing your battery is easy if you’ve got the right gear. Make sure your Battery Box is secure, your wiring is up to spec, and your charger is lithium-compatible. If you're running a full setup with solar, inverters or regulators, check that everything supports lithium profiles. Not sure? We’re here to help.
100Ah Lithium Batteries for Off-Grid Power FAQs
How long will the 100Ah lithium battery last with continuous use?
That depends on your load. For example, it can run a 12V fridge and lights for a day or two without recharge. Add solar, and it can run indefinitely.
Can I connect multiple 100Ah batteries to increase power?
Yes. Batteries can be connected in parallel for more capacity or in series for higher voltage, as long as your system supports it.
What’s the proper way to charge and maintain the 100Ah lithium battery?
Use a lithium-compatible charger. There's no ongoing maintenance beyond keeping connections clean and monitoring charge levels.
Is the 100Ah lithium battery compatible with my current off-road setup?
In most cases, yes. Just check that your inverter, charger and regulator are designed for lithium use. Our Lifepo4 Battery range works with most modern 12V systems.
Can I use the 100Ah lithium battery in extreme weather conditions?
Yes. These batteries are stable across a wide temperature range, though charging in sub-zero conditions may be limited.