The iTECH300SS Super Slim battery is a small but powerful workhorse! At just 126mm wide, thIS 300Ah lithium battery 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.
This lithium powerhouse uses A-grade prismatic LiFePO4 cells, which offer significant advantages over other cell types — they’re thinner, lighter, longer-lasting, and more space-efficient. Our 300Ah lithium battery is 100% usable, delivering an impressive amount of power in a slim profile. Despite its size, the iTECH300SS can confidently support high-demand setups, including systems running 3000W inverters.
Never second-guess your battery’s health again! The 300 amp lithium battery from iTechworld is integrated with full Bluetooth compatibility, allowing you to monitor your battery’s status in real-time via the iTechworld Connect Battery Management app. Not only can you check your battery’s vitals in real-time, but you can also rest easy knowing your battery is Australian-certified to IEC:62619 standards.
PACKAGE CONTENTS
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1 x iTECH300SS 300Ah Lithium 12v Battery
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1 x User Guide
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1 x Bluetooth App User Guide HERE
SUPPORT
The warranty is 5 years from the date of purchase (3 years full replacement, 2 years pro-rata).
quick stats
- Max Discharge Rate (5 seconds)640A
- Prismatic Cell Technology10,000+ cycles @ 40% DoD
- Warranty5 year Australian Warranty
- Super SlimOnly 126mm wide
- Heavy-duty metal casePerfect for mounting in tight spaces

product dimensions
- A: Length: 526mm
(578mm L with brackets) - B: Width: 127mm
- C: Height: 450mm
(470mm H including brackets)