
iTechWorld 300SS Slimline Lithium Battery
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Big Power in a Slim Design – The iTECH300SS 300Ah Slimline Lithium Battery Is The Perfect Fit
Short on space but still need serious power? The iTECH300SS 12V 300Ah Super Slim Lithium Battery is built to squeeze into tight spots without skimping on performance. Whether it’s for your 4WD, caravan, or off-grid setup, this lightweight powerhouse delivers reliable, long-lasting energy. Tough, efficient, and designed for Aussie adventures, this battery is made to go the distance.
The iTECH300SS Super Slim battery is a small but powerful workhorse! At just 126mm wide, the iTECH300SS was specifically developed for those seeking maximum power in a small package. Designed and developed in Australia, for Australia, the iTECH300SS has been constructed to thrive in the Australian climate and conditions.

Why The iTech300SS Slimline Lithium Battery May Be Right For You:
- 🔋 Super Slim 300Ah Lithium Battery Design: Get that extra power without sacrificing space. The iTech300SS Slimline design (at just 126mm thick) fits in easily behind seats, under trays and in tight compartments for your benefit.
- 📱 Bluetooth Monitoring via App: Do you ever worry that your battery may be running hot under the harsh Aussie sun? Never guess your batteries' health again. All of iTechWorld's Lithium Batteries now come integrated with Bluetooth compatibility to monitor your batteries status via the iTechworld app. Download the iTechworld app on the App Store or Google Play Store.
- ☀️ Solar Charging Efficiency: Harness the power of the sun by charging your battery with our range of solar products. For best results, we recommend using a 2:1 ratio of solar to battery capacity. For example, a 300Ah battery would work best with 600 watts of solar power.
- 🧊 Extreme Temperature Performance: Worried about how your battery will fare in the hot Aussie sun? The iTech slimline series has an optimum temperature range of 5°C ~ 60°C meaning you can take this battery out bush knowing that it can survive the elements.
- 💪 Massive 300Ah Capacity at 12.8V: The iTech range of batteries use 100% of their capacity. Run 240V appliances such as fridges, lights, and coffee machines via an inverter and enjoy extended off-grid time without needing a recharge.
- 🔄 Parallel & Series Capable: Need more power? Just simply add any other iTech SS slimline range battery to your set up and enjoy up to 48V of power for your caravan, 4WD or marine setup.
- 🧱 Durable Stainless Steel Construction: Equipped with its rugged stainless steel case, the iTech SS range is made to last the test of time. Don't stress about bumps on the road or exposure to the elements, these batteries are in it for the long haul.
- ♻️ 10,000+ Life Cycles: Set and forget your battery with 10,000+ life cycles @ 40% depth of discharge and 5,000+ life cycles @ 80% depth of discharge.
- 🔌 Smart BMS with Advanced Protections: Don't stress about short-circuiting your battery. The iTech battery range features a built-in battery management system (BMS) to maintain safety and optimise battery health giving you the peace of mind know that your setup is protected.
- ⚙️ Easy Integration & Versatile Use: The iTech Slimline range uses M8 terminals and a standard 12V output making it compatible with existing 12V systems, inverters and solar chargers. Enjoy hassle-free upgrades for your 4WD, campervan or off-grid setup.
- ⚡ High Discharge Rate – 200A Continuous / 640A Peak: Do you have power hungry appliances that require a bit more oomph? The iTech 300SS provides sustained power for high-draw devices like inverters, compressors and power tools.
- 🪶 Lightweight Design – At just 38.25kg, the iTech 300SS is lightweight making it easy to handle and install, perfect for mobile setups.
iTech300SS 300Ah Slimline Lithium Battery Package Contents:
- 1 x iTECH300SS 300Ah Lithium 12v Battery
- 1 x Instruction Manual
- 1 x Bluetooth App User Guide
The iTECH300SS warranty is 5 years (3 years full replacement 2 years pro-rata).
iTech300SS 300Ah Slimline Lithium Battery User Manual:
iTech300SS 300Ah Slimline Lithium Battery Tech Specs:
(578 mm incl. brackets, 470 mm incl. terminals)