Custom Lithium 400Ah Caravan Lithium Battery
This is an estimate only. Actual delivery times can vary with stock availability, courier delays, weather, public holidays and your location.
Motor Through Australia With 400Ahs Of Custom Lithium Battery Power
If you’re living the dream and touring this great country full-time, you need a battery that can keep up. This 400Ah 12V lithium beauty is perfect if you're looking for a "set and forget" battery, just solid, dependable power day in, day out. Run your fridge, lights, aircon, and more without a second thought. It’s low-maintenance, long-lasting, and ready for the long haul for those lengthy journeys.
Power your caravan adventures with dependable, long-lasting energy. Upgrade to the Custom Lithium 400Ah Caravan Lithium Battery today and enjoy reliable off-grid power wherever the road takes you.
Tour full-time without rationing power, add one to your cart today.

Why The Custom Lithium 400Ah 12V Lithium Battery May Be Right For You:
- Don't stress about your battery whilst you're driving through those bumpy outback roads. Safety is Custom Lithium's number 1 priority. The 400ah 12V Lithium Battery is integrated with A-grade automotive LiFePO4 lithium cells meaning you can rest assured that your battery will be fine, even if your tires are getting a working over.
- Big bulky batteries are a thing of the past. The sleek design of Custom Lithium's batteries allows them to fit into your caravan seamlessly.
- Great for powering your Star link connections, 240V inverters, your fridges, induction cookers, air compressions, washing machines and much more.
- Custom Lithium stand by their products because they know that they are of high quality. That's why each purchase of one of their batteries comes with a 7 year warranty! Every single battery is individually bench-tested, so you know that you're getting a quality product.
- Your battery ain't taking a battering. All components of the battery are insulated against vibration meaning those bumpy roads won't damage your battery.
- Worry less about overheating and short-circuiting. Custom Lithium Batteries are equipped with BMS protection to ensure that your battery maintains performance throughout your journey.
- You're supporting the local economy by buying local. All Custom Lithium Batteries are made here in Australia.
Custom Lithium 400Ah 12V Lithium Battery Installation:
If you are unsure about installation, please contact us on 1300 902 361 for assistance, or alternatively please reach out for us to organise an installation.
*Improper installation will void your warranty and may result in injury.

Custom Lithium AU/NZ Lithium Compliance KIT (optional):
Ensure your installation complies to the latest AU/NZ Regulations with the Custom Lithium RV Range Compliance Kit.

Dimensions:
Length including Vent pipe fitting - 530mm
Width including feet - 310mm
Height - 265mm
Custom Lithium 400Ah 12V Lithium Battery Tech Specs:
Custom Lithium 400Ah Caravan Lithium Battery FAQs
1. What can the 400Ah Caravan Lithium Battery be used for?
The 400Ah battery is designed for caravans, RVs, motorhomes and off-grid setups. Its high-capacity LiFePO4 cells can support demanding equipment such as fridges, air conditioners, induction cooktops, coffee machines, tools, Starlink and compatible 240V inverter systems.
2. Does the 400Ah lithium battery require professional installation?
Professional installation is recommended. A qualified auto electrician can ensure the charging system, cabling, protection devices and other components are correctly configured for safe lithium battery operation.
3. What safety features does the 400Ah Caravan Lithium Battery have?
The battery uses A-grade automotive LiFePO4 cells and features a Battery Management System (BMS) with active balancing. The BMS helps protect the battery against conditions such as overheating and over-discharge while supporting reliable cell performance.
4. What warranty is included with the 400Ah Caravan Lithium Battery?
The 400Ah Caravan Lithium Battery is backed by a 7-year warranty. Warranty coverage is subject to the manufacturer's applicable warranty terms and conditions.