KickAss 12V 120Ah Ultra-X Lithium Complete Dual Battery Kit with 25A DCDC Charger, 1000W Inverter & Wiring Kit
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Unlock off-grid living with this kit: Lithium Battery, DCDC Charger, Inverter, and more for reliable power anywhere.
Everything that is included in this KickAss kit!
1 x KickAss Smart 12V 120Ah Ultra-X Lithium Slimline Deep Cycle Battery LiFePO4 - Series 2
Integrated Bluetooth & Remote Screen Monitoring
IP65 Dust & Water Resistant
120Ah Useable Capacity + 120A Continuous Charge & Discharge
7 Year Warranty
Flexible Mounting Options
Supports Parallel & Series Configuration
Advanced Intelligent BMS
4000+ Cycles at 80% DoD
Low Voltage Protection Override Switch
A-Grade Prismatic LiFePO₄ Cells
Supports AS/NZS:3001.2 Compliant Installations
What’s Included:
- 1 x Smart 120Ah Ultra-X Lithium Slimline Battery
- 4 x Mounting Brackets
- 8 x Bracket Screws
At just 65mm thick, the KickAss Ultra-X 120Ah Slimline Lithium Battery is the slimmest 120Ah lithium battery on the market, packing 1536Wh of power into a design that fits behind vehicle seats and into tight spaces. With Bluetooth monitoring, 120A continuous charge and discharge, 4000+ cycles, an advanced BMS and a 7-year warranty, it's built for serious off-grid adventures.
The KickAss Smart 12V 120Ah Ultra-X Lithium Slimline Deep Cycle Battery delivers serious off-grid power in an exceptionally compact design. At just 65mm thick, it's the slimmest 120Ah lithium battery on the market, designed to fit into spaces where conventional deep cycle batteries simply won't. Tuck it behind vehicle seats, inside canopies or along ute tub walls, leaving more room for all your other gear. It's an ideal solution for 4WDs, caravans, camper trailers and off-grid touring setups where every millimetre counts.
Despite its slim profile, this battery delivers impressive power and performance. With 120Ah of usable capacity and 1536Wh of stored energy, this ultra-compact LiFePO4 battery has plenty of power to keep your camping fridge, lights, fans and other 12V essentials running. It also supports continuous charging and discharging at up to 120A, making it a capable choice for more demanding off-grid power systems. Premium A-grade prismatic LiFePO4 cells deliver consistent performance, with over 4000 cycles at 80% depth of discharge for years of reliable use.
Keeping track of your power is easy thanks to integrated Bluetooth connectivity. Simply connect to the KickAss app on your smartphone to monitor your battery's state of charge, voltage, current and temperature, or use a compatible remote monitoring screen for convenient access to your battery information. An advanced intelligent Battery Management System (BMS) works in the background to protect against overcharging, over-discharging, short circuits and excessive temperatures, while a low-voltage protection override switch provides an additional recovery option if your battery shuts down.
Installation is just as flexible as the battery itself. Mount it flat, upright or on its side to suit your available space, and take advantage of parallel and series configuration support for compatible multi-battery setups. With an IP65 dust and water resistance rating, support for AS/NZS 3001.2 compliant installations and a generous 7-year warranty, the KickAss Ultra-X 120Ah Slimline Lithium Battery proves that you don't need to sacrifice valuable space to enjoy serious off-grid power.
1 x KickAss Smart 12V/24V 25A DCDC Charger With Solar MPPT + Integrated Bluetooth + Pre-Wired Anderson
25A Dual Battery Charger
Bluetooth Monitoring & Control
Plug & Play Installation
Alternator & Solar Charging
Built Tough & Off-Road Ready
Compatible with 12V & 24V Alternators
Adjustable Max Input Current – Hybrid Compatible
Smart Alternator Compatible
Lithium Compatible
Multi-stage Charging
Starter Battery Isolation
Multi Battery Chemistry Compatible
Charge your dual battery system quickly and safely with this 25A DCDC Charger. Compatible with lithium and all lead acid battery types, it features solar MPPT, Bluetooth control, smart alternator support, lithium wakeup, and multi-stage charging – all in a tough, IP66-rated, plug & play unit built for Aussie conditions.
Powerful, Smart Charging for Dual Battery Systems
The KickAss 25A DCDC Charger is the ultimate solution for powering small to medium dual battery setups. Delivering a fast and safe 25A charge rate, it’s ideal for both lithium and lead acid batteries – keeping your system charged and ready whether you’re in the bush or the backyard.
Monitor & Control with Ease
Built-in Bluetooth allows you to set up and monitor your charger directly from your smartphone. Track input and output voltages, currents, charge status, and receive real-time system alerts and warnings – all from the palm of your hand. You can also take advantage of Over-The-Air (OTA) updates, enabling you to download the latest firmware, improvements, and new features as soon as they’re released.
Plug & Play Installation
Fitted with Anderson connectors, this unit offers true plug & play installation – no hardwiring required. Setup is quick and hassle-free, making it perfect for DIY installs.
Dual Input Charging – Alternator & Solar
Charge your auxiliary battery from your vehicle’s alternator or connect a solar panel for off-grid charging. The smart dual input system gives you the flexibility to adapt to any setup.
Built for Harsh Conditions
Designed and tested to handle the toughest Aussie environments, this charger boasts an IP66 rating for dust and water resistance – ready for life off-road.
Compatible with 12V & 24V Systems
Versatility is built in. This charger works with both 12V and 24V alternators, making it suitable for a wide range of vehicles.
Hybrid Vehicle Ready
The maximum input current can be set via the Bluetooth app, allowing the charger to limit the alternator draw – which is ideal for vehicles with low-power alternators or hybrid systems with limited output capacity.
Smart Alternator Support
Compatible with both fixed and variable voltage alternators, the charger includes an ignition trigger wire that enables or disables charging automatically with your vehicle’s ignition – ideal for modern vehicles.
Lithium Battery Compatible with Auto Wake-Up
Fully lithium-ready, the charger includes an automatic lithium wake-up feature to revive low-voltage lithium batteries safely, without manual intervention.
Multi-Stage Charging
Advanced multi-stage charging algorithms ensure your battery is charged optimally and maintained in peak condition, helping to extend battery life.
Starter Battery Protection
The charger draws power only when the engine is running, automatically isolating when the vehicle is off – preventing any parasitic drain on your starter battery.
Supports Multiple Battery Types
This DCDC charger works with a wide range of battery chemistries – including Lithium, AGM, Wet, Gel, and Calcium – offering flexibility no matter your setup.
1 x KickAss 12V to 240V Pure Sine Wave 1000W Inverter
The KickAss 12V to 240V Pure Sine Wave 1000W Inverter is perfect for powering low-power devices like blenders, power tools, laptops, phones, tablets, cameras, drones, microwaves, and CPAP machines, providing clean and stable energy for all your needs.
KickAss Features:
- 1000W Continuous Output
- Pure Sine Wave
- 94% Maximum Efficiency
- Multi-level Protection
- Surge Power: 2000W in 2 Seconds
- Intelligent Fan
- Integrated Charging Port
- Multiple Mounting Options
- Optional Remote Control Display
1000W Continuous Output
Seamlessly convert 12V DC power from your battery into 240V AC power to run everyday household appliances. Your next camping trip will be even better with essentials like a coffee machine or electric BBQ.
Pure Sine Wave
This inverter produces a clean and stable pure sine wave that replicates AC power from a home wall socket. It's safe for sensitive electronics like laptops, Starlink, and CPAP machines, while also reducing electromagnetic interference and extending equipment life. It runs so quietly you'll barely hear it.
94% Maximum Efficiency
Designed for high efficiency, the inverter converts power at up to 94% efficiency, minimising energy waste and making the most of your battery’s capacity.
Multi-level Protection
Advanced safety features protect you, your inverter, and your devices. The system continuously monitors input and output, automatically triggering protection modes in unsafe conditions. Protection includes over-voltage, overload, overcurrent, short circuit, and reverse polarity safeguards.
Surge Power: 2000W in 2 Seconds
With a peak surge capacity of 2000W for up to 2 seconds, the inverter is ideal for devices with a high inrush current such as power tool chargers, microwaves, and induction cooktops.
Intelligent Fan
The dynamic, intelligent fan system adjusts automatically to keep the inverter cool, ensuring maximum efficiency and reliable performance without overheating.
Integrated Charging Port
Easily recharge small gadgets with the built-in 5V 2.1A USB port—ideal for phones, tablets, and accessories.
Multiple Mounting Options
Featuring four convenient mounting points, the inverter is easy to securely install in your camper, caravan, or canopy.
Optional Remote Control Display
1 x KickAss Premium Plug & Play Wiring Kit - 6m
Connect your 12V dual battery system with this 3-pin Anderson connector with built-in ignition wire. Everything included for DIY install. Ideal for DC/DC chargers, battery boxes, auxiliaries etc.

KickAss Premium Plug & Play DC-DC Wiring Kit
Introducing the ultimate dual battery system wiring kit, now featuring a three-pin 50 Amp Anderson-style connector with ignition wire. The team at KickAss has carefully developed this premium plug-and-play wiring kit for ultra-easy DIY installations. It’s packed with high-quality components to ensure your setup is smooth and professional.
The kit is fully plug-and-play for any system using Anderson connectors for charging input and includes everything needed for a professional wiring installation. It now comes with our famous Maxifuse cable pre-installed into 6 metres of heavy-duty 8 B&S cable, providing 50A of circuit protection. The new three-pin Anderson plug allows for easier installation by integrating an ignition wire directly into the connector—eliminating the need to run multiple cables through your vehicle.
The cable is pre-crimped with Anderson connector terminals, making it simple to feed through holes and grommets. Once installed, you just clip on the three-pin Anderson connector. The kit also includes cable ties for securing cables, a spare 80A Maxifuse, a 3-metre ignition tail wire, and spare Anderson terminals.
Backwards Compatibility
The three-pin Anderson connector is backwards compatible, allowing a two-pin Anderson connection to work even if the ignition wire is not connected.
The KickAss Premium DC-DC wiring kit is specifically designed for our DC-DC chargers and is not compatible with VSRs.
For Other Installations, Please Use Our Dual Battery Wiring Kit When:
- Wiring to a battery system in the cargo area of the vehicle
- Installing VSRs – see our KAVSRAND kit fully compatible with this setup
- Connecting KickAss battery boxes and power packs
- Connecting auxiliary batteries – using KickAss Maxifuse Cable and optional VSR
This Kit Includes:
- 6 x 50 Amp Anderson terminals
- 1 x 50 Amp 3-Pin Anderson connector
- 1 x 80Amp spare Maxifuse
- 10 x Black cable ties (300mm)
- 1 x 3m tail ignition cable
1 x KickAss Smart Lithium Battery Remote Display Unit + 5m Extension Cable Bundle
The KickAss Remote Smart Lithium Battery Display Unit is compatible with the KickAss Smart and Ultra-X series batteries. Simple plug-and-play via the RJ45 connector, it allows you to monitor State of Charge (SOC), voltage, real-time current, and temperature of either a single battery or multiple batteries connected in parallel or series. Includes 5m extension cable. No shunt required!
The KickAss Remote Smart Lithium Battery Display Unit is compatible with the KickAss Smart and Ultra-X series batteries. Simple plug-and-play via the RJ45 connector, it allows you to monitor State of Charge (SOC), voltage, real-time current, and temperature of either a single battery or multiple batteries connected in parallel or series. Includes 5m extension cable.
Take full control of your battery system with the KickAss Battery Display Monitor – your window into real-time performance, protection, and peace of mind.
Monitor Your Battery Like a Pro
Never guess your battery’s health again. With a full-colour screen, you can instantly view:
- Battery temperature
- Current draw
- Voltage
- Charge status
- Time to empty/full
- Cell balance and more
Built-In Battery Management System (BMS)
The integrated KickAss BMS keeps your battery safe — actively protecting against:
- Overvoltage and undervoltage
- Short circuits
- Overload
- High temperatures
Stay alerted with smart error messages and stay in control from your display or compatible mobile device.
Easy Flush-Mount Design
Install it where you need it most. Whether it's in your canopy, van, or camper setup, the flush-mount design with included screws and universal hole spacing makes installation fast and secure.
Compact Dimensions
- Display: 126mm (W) x 66.61mm (H) x 23mm (D)
- Cable Length: 440mm
- Mounting holes for quick surface installation
The KickAss Battery Display Monitor isn’t just for looks – it’s your off-grid command centre. Whether you're heading bush or running gear off your canopy, this screen keeps your system protected and your trips worry-free.
1 x KickAss 1000W Inverter Premium Wiring Kit
Connect your inverter using this premium wiring kit, designed specifically for 1000W systems. It includes heavy-duty cables, high-quality connectors and protective components to ensure a safe, efficient and reliable installation in your 4WD, caravan or off-grid setup.
1 x KickAss Pure Sine Wave Inverter Remote Display Panel
Install your inverter close to your batteries, and still be able to monitor and control your power usage easily from a distance thanks to this handy remote display. Comes with a 3 metre cable.
KickAss Pure Sine Wave Inverter Remote Display Panel Feature Overview
Real-Time Monitoring
Unexpected power fluctuations can damage your equipment and waste valuable energy. With real-time monitoring, you can track your energy generation and power usage, spotting any problems early. This keeps your setup running smoothly and efficiently at all times.
Remote Control
Monitor and manage your power consumption from a distance—for example, from the front seat while your inverter is installed in the back of your truck. The included 3-metre cable allows you to access and control your inverter system easily.
Fault Diagnostics
When a system malfunction occurs, diagnosing the problem can be challenging and time-consuming. The KickAss Inverter Remote Display automatically identifies and reports inverter faults, providing detailed diagnostics to simplify troubleshooting.
Intuitive User Interface
The display screen is clear and easy to navigate. View energy metrics, adjust settings, and set alerts with confidence—no guesswork, just clear and precise information.
Compatible with Most KickAss Inverters
The remote display unit is compatible with KickAss 2000W and 3000W inverters (not compatible with 700W or 1200W models). Seamlessly integrate it into your current setup or upgrade your system with ease.
Please note: This remote display is not compatible with older red KickAss 700W, 1200W, 2000W, or 3000W inverters.
1 x KickAss Automotive Inline Maxi Fuse Holder with Anderson Plug
This heavy duty cable features weatherproof casing to protect the fuse from dust and damage. The durable 8 B&S cable is encased in a smooth PVC outer layer for protection and ease of use.

KickAss MAXI Fuse Anderson Cable
The KickAss MAXI Fuse Anderson Cable is the perfect solution for connecting a battery to virtually any device. It offers superior circuit protection through an inline 80A MAXI Fuse, safeguarding against short circuits and potential system damage.
With a purpose-designed length, this cable easily reaches vehicle starting batteries and integrates seamlessly with dual battery setups. The built-in weatherproof MAXI Fuse holder simplifies installation, eliminating the need for mounting traditional fuse holders or circuit breakers.
One end of the cable features a 50 Amp Anderson style connector for effortless connection to battery boxes, solar panels, or other compatible devices. The other end includes high-quality 8mm ring terminals for secure battery attachment. A spare 80A MAXI Fuse is included for added convenience.
Features:
- In-line weatherproof MAXI Fuse holder with 80A MAXI Fuse
- Length: 750mm
- Cable type: Twin 8B&S (7.71mm²) Red/Black Sheathed
- 1 x 80A MAXI Fuse pre-installed in holder
- 1 x 80A MAXI Fuse spare
- 8mm ring terminals
See links below for replacement fuses:
Spare 50A MAXI Fuse - Red
SPECIFICATIONS
Technical Details
KickAss Automotive Inline Maxi Fuse Holder with Anderson Plug
| Length | 830mm |
| Cable Type | 8B&S (8.3mm²) single core |
| MAXI Fuse Rating | 80A |
| Ring Terminals | 8mm Ring Terminals |
KickAss Premium Plug & Play Wiring Kit - 6m
| Main Cable Length | 6M – With Pre-Crimped Andersons |
| Main Cable Type | Twin Core 8B&S (7.71mm²) |
| Main Cable Insulation Material | PVC |
| Main Cable Protector Material | PVC |
| Circuit Protection | 80 Amp MIDI Fuse – Holder Included |
| Battery Connection Terminals | 8mm |
| High Current Connector | 50 Amp Anderson Connector – Outlet |
KickAss 12V to 240V Pure Sine Wave 1000W Inverter
| Input Voltage | 12VDC |
| Max Rated Current | 84A |
| High Voltage Protection | 16VDC ±0.5VDC |
| Low Voltage Protection | 10VDC ±0.5VDC |
| Efficiency | 88%–94% |
| Output Rated Power | 1000W |
| Surge Power (10s) | 1000W–1200W |
| Surge Power (2s) | 2000W |
| AC Voltage | 240VAC |
| AC Output Regulation | 10% |
| AC Short Circuit & Overload Protection | Yes |
| Waveform | Pure Sine Wave (THD<5%) at Rated Input Voltage |
| Frequency | 50Hz ±1% |
| Operating Temperature | -15°C ~ +40°C |
| Relative Humidity | 20%–90% RH Non-Condensing |
| Weight | 2.4kg |
| Dimensions | 330 x 150 x 75mm |
KickAss Smart 12V/24V 25A DCDC Charger With Solar MPPT + Integrated Bluetooth + Pre-Wired Anderson
| Charger Output Voltage Range | 3–16V DC |
| Alternator Input Voltage Range | 9–32V DC |
| Solar Input Voltage Range | 9–32V DC |
| Maximum Input Current | 28A |
| Maximum Continuous Charging Current | 25A |
| Recommended Output Fuse Size | 50A |
| No Load Current Draw | <5 mA |
| Battery Chemistry | LiFePO4 | AGM | GEL | CAL | WET |
| Efficiency | Solar - 99% Max | Alternator - 92% Max |
| Operating Temperature | -20 °C to +80 °C |
| Ingress Protection | IP66 |
| Certifications | RCM Mark | FCC |
| Recommended Battery Capacity | |
| Lead Acid (WET, GEL, AGM, CAL) | 100 – 500Ah |
| LiFePO4 | 50 – 500Ah |
| Charge Profile | |
| Absorption Voltage | GEL - 14.1V | WET - 14.4V | AGM - 14.7V | CAL - 15.3V | LiFePO4 - 14.5V |
| Float Voltage | GEL - 13.5V | WET - 13.4V | AGM - 13.4V | CAL - 13.6V | LiFePO4 - NA |
| Minimum Auxiliary Battery Voltage | GEL/WET/AGM/CAL - 9V | LiFePO4 - 0V |
| Alternator Charge Conditions | |
| 12V Alternator Input (Ignition OFF) | CUT-IN 13.2V | CUT-OUT 12.6V |
| 12V Alternator Input (Ignition ON) | CUT-IN 12.2V | CUT-OUT 10.5V |
| 24V Alternator Input (Ignition OFF) | CUT-IN 26.4V | CUT-OUT 25.2V |
| 24V Alternator Input (Ignition ON) | CUT-IN 24.4V | CUT-OUT 21V |
| Warranty | 2 Year |
KickAss 1000W Inverter Premium Wiring Kit
| Product Weight | 764g |
| Length | 1050mm |
| Cable Diameter | 10mm |
KickAss Smart 12V 120Ah Ultra-X Lithium Slimline Deep Cycle Battery LiFePO4 - Series 2
| Battery Type | LiFePO4 |
| Nominal Voltage | 12.8V |
| Rated Capacity | 120Ah |
| Energy | 1536Wh |
| Max Charge Voltage | 14.6V |
| Charge Temperature | 0 ~ 60°C |
| Max Continuous Charge Current | 120A |
| Discharge Temperature | -20 ~ 65°C |
| Max Continuous Discharge Current | 120A |
| Low Voltage Cutout | 10V |
| Certification | IEC 62619, IP65 |
| Cycle Life | 4000+ @ 80% DoD |
| Dimensions without Brackets | 46 cm (L) × 6.5 cm (W) × 30 cm (H) |
| Dimensions with Brackets | 50.1 cm (L) × 6.5 cm (W) × 36 cm (H) |
User Manual & Support Docs
| KickAss Automotive Inline Maxi Fuse Holder with Anderson Plug | |
| KickAss Premium Plug & Play Wiring Kit - 6m | |
| KickAss Pure Sine Wave Inverter Remote Display Panel | |
| KickAss 12V to 240V Pure Sine Wave 1000W Inverter | |
| KickAss Smart Lithium Battery Remote Display Unit + 5m Extension Cable Bundle | |
| KickAss Smart 12V/24V 25A DCDC Charger With Solar MPPT + Integrated Bluetooth + Pre-Wired Anderson | |
| KickAss Smart 12V 120Ah Ultra-X Lithium Slimline Deep Cycle Battery LiFePO4 - Series 2 |
Detailed Description
Unleash the power of true off-grid living with the KickAss Complete Dual Battery Kit. Equipped with a 12V 120Ah Ultra-X Lithium Battery, 25A DCDC Charger, and 1000W Inverter, this setup brings reliability and performance to your adventures. With a fully integrated system, enjoy seamless power whether you're camped up in the outback or on a cross-country tour. The kit also includes a premium wiring kit and remote display panel, ensuring easy monitoring and management of your power setup. Built for Australian conditions, it's your ultimate companion for any adventure.