Description
Meet the Roamer 320SMART4 - our 4th generation 320Ah LiFePO4 battery for off-grid vehicles with high energy demands. The integrated Battery Management System (BMS) with Bluetooth provides remote monitoring via the Roamer BMS app and a market-leading discharge rate of 300A (450A peak) lets you run any domestic appliance up to 3600W via an inverter.
- Capacity 320Ah at 12.8V
- Up to 300A continuous
- Active Balancing
- Grade A+ LiFePO4 cells
- IP65 waterproof case
- Integrated Roamer BMS Bluetooth App
- Low temp charge protection
- Up to 16 in parallel
Easy 14 day returns
Not entirely satisfied? Send it back within 14 days for a money-back guarantee.
10 year warranty
That’s how much we believe in our product. A decade of powered adventures.
Ongoing support
We’re all about community. Reach out to us any time - we’re here to help.
Up to 3X the power of other lithium battery brands
Our premium LiFePO4 cells provide an exceptional amount of power for their size, delivering a continuous charge/discharge rate of 300A. The state-of-the-art cells also ensure stable voltage throughout the charge and discharge curve and a long lifespan of up to 3500 cycles at 80% depth of discharge.
The upgraded BMS will actively balance all internal cells and supports installation of up to sixteen 320SMART4 batteries in series or parallel - with auto balancing for parallel connected batteries. It provides a complete range of protections including low temperature charging.
High quality power for high-powered adventures
The Roamer 320SMART4 uses the highest quality Grade A+ matched cells and comes assembled with precision-engineered brackets, laser-welded cell connections, flexible copper busbars and an IP65 waterproof case.
Maintaining excellent balance throughout its 15 year life expectancy, your Roamer will deliver stable, high power with every cycle. Our additional factory and warehouse testing processes ensure the highest possible quality and because we believe in our product, we back everything with a 10 year warranty.
To ensure maximum lifespan, every 320SMART4 comes with a state-of-the-art internal Battery Management System (BMS) with Active Balancing - developed specifically for Roamer to support high power off-grid living.
The power of the Roamer 320SMART4
- 330 iPhone charges from start to finish
- 82 Laptop charges from start to finish
- 124 Espressos
- 9 Days of fridge power
- 200 Lord of the Rings viewings on TV
- 123 Minutes of hair drying
- 5.8 Hours of air conditioning
- 14 Pizzas in the airfryer
Less wondering
More wandering
Know your power with the all-new Roamer BMS App - the ultimate wingman for uninterrupted adventure. It’s easy to use, connects via Bluetooth, and lets you track and monitor the status of your battery from the comfort of your van, boat, or home. Real-time feedback at your fingertips.