Custom Lithium 310Ah Ultra Slim Next GenUltra Slim 310Ah Lithium Battery Maximum Capacity, Minimal Footprint Meet the battery built for serious off grid power. Designed for high demand 4x4, caravan, marine and touring systems, the Ultra Slim 310Ah Lithium Battery delivers massive capacity in an incredibly compact housing. Engineered for those who need extreme runtime without sacrificing space, this next generation battery powers everything from Starlink and fridges to induction cookers,

Ultra Slim 310Ah Lithium Battery – Maximum Capacity, Minimal Footprint

Meet the battery built for serious off-grid power.
Designed for high-demand 4x4, caravan, marine and touring systems, the Ultra Slim 310Ah Lithium Battery delivers massive capacity in an incredibly compact housing. Engineered for those who need extreme runtime without sacrificing space, this next-generation battery powers everything from Starlink and fridges to induction cookers, inverters, tools and full touring setups.

At only 90mm thin, it’s the highest-capacity ultra-slim battery in its class.

Key Features

Ultra-Slim, High-Capacity Design

Despite its huge 310Ah capacity, this battery maintains a compact 90mm thickness and weighs only 26.5kg, making it ideal for tight spaces behind seats, in canopies, false floors, marine lockers and camper builds.

Premium A-Grade LiFePO4 Cells

Engineered using automotive-grade lithium cells for superior safety, longevity and performance. LiFePO4 chemistry is the safest on the market, ideal for rough touring, hot environments and vibration.

Mounting Rails Included

Includes side-mount rails for secure canopy, wall or floor mounting — perfect for custom setups where space is limited.

Intelligent Protection

Equipped with a high-current Heltech BMS and active balancer, providing complete system protection:

• Over-temperature

• Over-discharge

• Over-charge

• Short-circuit

• Cell balancing

Massive Power Output

The 310Ah pack supports serious current draw with:

• 330A continuous discharge

• 850A peak discharge (BMS protection)

• Ideal for large inverters, induction cooking, air compressors & high-draw equipment.

Australian Made

Proudly built in Brisbane, fully certified Australian Made, and individually bench-tested before shipping. Built to withstand Australia’s toughest touring conditions.

Designed for Off-Grid Living

Perfect for powering:

• Starlink Internet

• 240V Inverters

• Induction cookers

• Fridges & freezers

• Air compressors

• Tools

• Cameras, drones & computers

• Lighting setups

• Complete touring appliances

Engineered for Adventure

Built for Tight Installations

The ultra-slim form factor allows installation in places traditional lithium batteries simply won’t fit — without compromising on output or safety.

Rugged Aluminium Enclosure

Lightweight, strong and built to handle corrugations, shock and vibration — ideal for off-road touring and marine environments.

High-Current BMS + Active Balancer

Ensures peak performance, optimal cell health, and maximum lifespan, even under heavy load.

Backed by a 7-Year Warranty

Every unit is bench-tested and backed with a full 7-year Australian warranty for total peace of mind.

Tech Specs