Developed & Manufactured In-House
KickAss ULTRA-X Lithium Batteries are developed and manufactured in-house at our own battery factory, giving us complete quality control.
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Built, tested and supported by Australia’s off-grid adventure specialists.
KickAss ULTRA-X Lithium Batteries are developed and manufactured in-house at our own battery factory, giving us complete quality control.
Every KickAss lithium battery is rigorously tested in-house and in real off-grid conditions, and certified to meet the highest Australian standards.
Backed by a 5 year full warranty and serviced Australia-wide for total peace of mind.
A-grade prismatic cells and an intelligent BMS deliver dependable power with integrated safety protection.
Get ongoing support online, in-store, or through our Australia-wide network of 150+ installers.
Everything that is included in this KickAss kit!
An all-in-one off grid plug and play solution with a 2kW Inverter with automatic transfer switch, 40A DCDC-MPPT charger, 80A ACDC charger, Bluetooth with DC load monitoring.
This all-in-one KickAss PowerBoss bundle includes everything you need for seamless off-grid power. Featuring the flagship PowerBoss unit with 2000W inverter, 80A ACDC charger, 40A DCDC MPPT charger, and Bluetooth monitoring. Also includes the Bluetooth module for remote control, plus the comprehensive plug-and-play installation kit for easy setup. Perfect for canopies, 4WDs, campervans, motorhomes, and trailers, this bundle delivers reliable power with professional-grade wiring, heavy-duty cables, and essential installation tools.
The 6.5m cable supports plug and play connection between the PowerBoss and the vehicle's alternator. The 3-core cable is comprised of 2 x 6AWG power conductors and a 14 AWG IGN wire.
Plug and Play Wiring Kit Alternator to PowerBoss: Quickly connect the PowerBoss directly to your vehicle's alternator for a seamless power supply.
Pre-Crimped Terminals: All terminations are pre-crimped, ensuring a fast and straightforward installation without the need for additional tools.
80A Midi Fuse: Includes an 80A midi fuse housed in a weatherproof casing, making it perfect for under bonnet installation.
Premium Heavy Duty Cable: Features heavy duty 6AWG cable for reliable, high-capacity performance.
The Limited Edition Black Ultra-X Slim 12V 230Ah Lithium Battery combines rugged performance with premium style. Featuring a sleek matte black finish, 230Ah of usable capacity, Bluetooth monitoring, advanced BMS protection, and support for parallel or series setups, it’s built for serious off-grid power. Connect up to four for over 900Ah of usable energy.

KickAss Features:
Limited Edition Matte Black Design
This exclusive Black Edition takes our proven Ultra-X Slim battery and gives it a bold, premium look. Built for performance and style, it’s finished in a sleek matte black coating that stands out in any setup — whether it’s in a high-end canopy build or a custom 12V fit-out.
Ultra Compact, Slimline Power
Measuring only 500mm x 510mm x 70mm, the Ultra-X Slim Black Edition delivers massive power in a compact form. Perfect for tight installs behind seats, under false floors, or in canopies, it’s the ultimate space-saving powerhouse for serious off-grid adventurers.
Smart Bluetooth App Monitoring
Get real-time insight into your battery’s performance using the Bluetooth app. Track your State of Charge, voltage, current, temperature, and system alerts straight from your phone — giving you complete control over your setup, wherever you are.
Advanced BMS for Complete Protection
Equipped with a high-performance Battery Management System (BMS), this battery safeguards against overcharge, over-discharge, short circuits, and overheating. The BMS ensures stable, efficient, and reliable power delivery no matter how tough the conditions.
Expand Your Power — Parallel or Series Ready
Need more power? Connect multiple Ultra-X Black Edition batteries in parallel or series to create a massive battery bank — up to 900Ah of usable capacity. Ideal for powering caravans, canopies, 4WDs, and off-grid systems for extended adventures.
Monitor Remotely with Ease
Forget complex wiring — simply connect your batteries with an RJ45 cable for seamless integration with the KickAss Remote Display Unit (RDU). You can also monitor everything via the Bluetooth app, no external shunt required.
Engineered for Endurance
Delivering over 4000+ cycles at 80% Depth of Discharge (DoD) and a 0.5C rate, the Ultra-X Slim Black Edition is built to last. With 230A continuous charge/discharge and a 460A pulse capacity, it powers even the most demanding 12V setups.
Durable Metal Case with Integrated Mounting Points
The heavy-duty metal casing provides maximum protection while simplifying installation. Integrated mounting points make for a secure, professional finish — and the matte black exterior adds a touch of rugged sophistication.
Additional specifications can be found in the detailed description of the product(s) above.
| KickAss PowerBoss 2000W All-in-One Power System with Bluetooth and Plug & Play Kit | |
| KickAss Ultra-X 230Ah 12V Deep Cycle Lithium Battery - Slimline BLACK EDITION |
This KickAss base kit combines the PowerBoss system (inverter, AC/DC charger, DCDC-MPPT, load monitoring) with the Limited Edition 230Ah Slimline Ultra-X Black Lithium Battery - perfect for narrow canopy installations. It includes the PowerBoss connections kit, Bluetooth remote module for wireless monitoring, and a 6.5 m alternator wiring kit. Compact, powerful, and built for effortless installation in 4WDs, camper canopies, and touring rigs.