When it comes to powering your off-grid adventures, reliability is non-negotiable. Whether you're heading into the outback, living in a remote property, or upgrading your 4WD or caravan setup, having the right lithium battery makes all the difference. In Australia’s rugged climate, iTech Lithium Batteries stand out for their performance, durability, and ease of integration with solar and vehicle systems.
In this guide, we spotlight two of the best-selling iTech lithium batteries: the iTECH24 and iTECH54. We’ll explore what makes these models ideal for off-grid applications and where to buy them online with confidence.
Why Choose iTech Lithium Batteries?
Australian-owned and engineered, iTechworld has quickly become one of the most trusted names in lithium energy solutions. Their batteries are specifically designed for the Australian environment, offering advantages such as:
- Longer Lifespan: Up to 2,000–3,000 charge cycles.
- Lightweight Construction: Up to 50% lighter than AGM or lead-acid batteries.
- Integrated BMS: Built-in Battery Management System protects against overcharging, overheating, and short circuits.
- Fast Charging: Compatible with most 12V chargers and solar systems.
- Safe and Non-Toxic: No harmful chemicals or fumes.

iTECH24 12V 24Ah Lithium Battery – LiFePO4 Deep Cycle for RV, Solar & Golf Buggies
Meet the iTECH24: Compact Power for Smaller Systems
If you're working with limited space or running a basic off-grid setup, the iTECH24 24Ah Lithium Battery is a powerful yet compact solution. Don’t be fooled by its size—this battery delivers dependable performance in a lightweight package.
Key Features:
- 24Ah Capacity at 12V (307Wh)
- Only 3.1kg in weight
- Compact Design: Ideal for portable fridges, lighting, CPAP machines, and more
- Integrated BMS for safety and efficiency
- 100% Depth of Discharge (DoD) for full usable capacity
- Fast Charging Capability: Can be recharged via DC-DC, AC, or solar
Best For:
- Weekend campers
- Portable power boxes
- Compact 12V systems
- Kayaking and fishing trips
The iTECH24 is also popular as a drop-in replacement for small sealed lead acid batteries in DIY or portable applications.

iTECH54 54Ah 12V Lithium Battery – Compact LiFePO4 Power for Off-Grid, RV & 4WD
Introducing the iTECH54: The All-Rounder for Off-Grid Systems
Stepping up in power and versatility, the iTECH54 54Ah Lithium Battery is perfect for those needing higher energy capacity without the bulk of a traditional deep cycle battery.
Key Features:
- 54Ah Capacity at 12V (691Wh)
- Only 7.1kg weight
- Drop-In Replacement for standard 12V batteries
- Inbuilt BMS to manage charge, discharge, and temperature control
- Compatible with Solar Systems, Inverters & DC-DC Chargers
- Safe LiFePO4 Chemistry
Best For:
- Off-grid caravans and campervans
- 4WD setups with multiple 12V accessories
- Small homes or cabins running solar
- Remote job sites needing portable power
With a longer lifespan and deeper discharge capacity, the iTECH54 is ideal for serious off-grid users who need consistent, high-quality power.
iTECH24 vs iTECH54 Comparison
Feature | iTECH24 | iTECH54 |
---|---|---|
Capacity (Ah) | 24Ah | 54Ah |
Energy Storage (Wh) | 307Wh | 691Wh |
Weight | 3.1kg | 7.1kg |
Use Case | Light setups, mobility | Medium-duty off-grid systems |
Price Range | Budget-friendly | Mid-tier investment |
Lifespan | ~2,000 cycles | ~2,000–3,000 cycles |
If you need portability and light use, the iTECH24 will serve you well. But for longer trips and heavier equipment, the iTECH54 offers better range and flexibility.
Where to Buy iTech Lithium Batteries in Australia
For guaranteed genuine products and expert support, we recommend purchasing from trusted Australian online retailers like Voltage Electrical Supplies. We offer:
- Fast Shipping Across Australia
- Authorised iTechworld Distributor
- Secure Online Payment
- Detailed Product Pages and Support
Shopping directly through reputable retailers ensures you get the latest models with full warranties and responsive customer service.
Key Takeaway
The iTECH24 and iTECH54 lithium batteries are two of the best options for off-grid power in Australia. With their cutting-edge technology, high energy density, and robust safety features, they offer peace of mind no matter where your adventures take you.
If you're ready to upgrade your off-grid energy system, browse iTech lithium battery solutions today through trusted Australian retailers and experience reliable power—without compromise.