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Suncoast Batteries

Mobi 12V 135AH Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery

Mobi 12V 135AH Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery

Regular price $449.95 AUD
Regular price Sale price $449.95 AUD
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Mobi 12V 135AH Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery

**FREE Delivery Australia-Wide. Buy from an Aussie-owned business with local service, real people on the phone, and warranties you can trust.

Adventure further and stay powered wherever your travels take you. The Mobi 12V 135AH LiFePO4 battery is your ultimate partner for off-grid living, camping, 4WD trips, and more. Lightweight and compact yet impressively powerful, it’s designed to keep your essential gear running, so you can focus on the journey ahead without worrying about power interruptions.

Equipped with Grade A prismatic cells, this battery boasts an outstanding cycle life of up to 6,000 cycles, ensuring years of dependable use. Whether you’re running fridges, lights, air conditioners, or electronic gadgets, the Mobi 135AH delivers a steady, high-output performance with 100A continuous discharge and 200A pulse discharge capabilities.

The advanced Battery Management System (BMS) safeguards your battery against overcharging, over-discharging, short circuits, and extreme temperatures, ensuring both safety and longevity. And thanks to rapid recharge capabilities and deep discharge tolerance down to 80-90%, you get more usable capacity and quicker turnaround between adventures.

Lightweight at just 12.03 kg—approximately one-third the weight of comparable AGM batteries—the Mobi 135AH is easy to handle and install, while providing superior vibration resistance, making it the perfect fit for rugged Australian conditions.

Mobi lithium batteries are UL1642 certified and comply with IEC62619 standards, giving you peace of mind that you’re investing in quality and safety.

Plus, every battery comes backed by a solid 5-Year Warranty direct with Suncoast Batteries — because we stand behind the products we sell.

5-Year Warranty Badge

Buy from an Aussie-owned and operated company that truly cares.

At Suncoast Batteries, you’re not just buying a battery — you’re investing in local expertise and genuine support. We’re proudly Australian-owned and operated, offering local service and warranties you can rely on. And when you need help, there’s always a real person on the other end of the phone, ready to assist you.

Trust Aussie Owned. Get Local Support. Shop Online with Confidence.

🔋 Key Features

6,000 Cycle Life: Grade A prismatic cells deliver exceptional longevity over traditional batteries.

Powerful Output: Handles high-demand appliances like fridges and kettles with 100A continuous and 200A pulse discharge.

Advanced BMS: Protects against overcharge, over-discharge, short circuits, temperature extremes, and ensures cell balancing.

Rapid Recharge: Charges significantly faster than AGM batteries with a max charging current of 50A.

Extended Usable Capacity: Delivers deeper discharges (up to 80–90%) for more usable energy than AGM alternatives.

4-Series Configuration: Easily connect up to 4 batteries in series for higher-voltage systems.

Ultra-Lightweight: Weighs only 12.03 kg for easier handling and installation.

Vibration Resistant: Built to withstand rugged terrain and off-road adventures.

High Capacity: Replace multiple batteries with one powerful 135AH unit.

Low Self-Discharge: Only 2% per month, ensuring readiness even after storage.

⚙️ Specifications

Nominal Voltage: 12V

Nominal Capacity: 135Ah

Continuous Discharge: 100A

Pulse Discharge: 200A

Max Charging Current: 50A

Cell Type: Grade A Prismatic LiFePO4

Weight: 12.03 kg

Dimensions: Up to 34 x 19.5 x 22.5 cm

Operating Temperature: -10°C ~ 50°C

Cycle Life: 6,000 cycles

Warranty: 5 Years - Direct with Suncoast Batteries

Note: This battery is compatible with trolling motors. However, protect it from heat, fluids, and contaminants using a quality waterproof battery box or enclosure to avoid voiding the warranty.

🚚 Shipping & Returns

Shipping: We ship Australia-wide via Australia Post or courier. PO Box deliveries available for items under 22 kg and 1 m length. Please allow 2–12 business days for delivery.

Returns: Changed your mind? Contact us within 30 days. Products must be in resaleable condition with original packaging. Change-of-mind returns may incur a freight fee and a 20% restocking fee.

If for any reason you’ve changed your mind about any of the products you purchased from us, simply contact us within 30 days for return guidance. Do not post items before obtaining instructions. Our policy does not affect your rights under Australian Consumer Law.

Returned items must be in original, unopened, and undamaged packaging. The customer covers return freight. Refunds are processed only after goods are inspected and deemed resaleable.

💳 Payment Options

We accept bank transfer, internet transfer, and all major credit cards through PayPal for fast and secure transactions. For bank transfers, please reference your order ID.


Ready to upgrade your power storage? Choose the Mobi 12V 135AH LiFePO4 Battery for lightweight performance, long life, and unmatched reliability across Australia.

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Why Buy From Suncoast Batteries?


At Suncoast Batteries, we’re proudly Australian-owned and locally operated, with a team of real people ready to help whenever you call. We’re not just an online store—we’re your neighbours, dedicated to giving honest advice, fast local service, and genuine support. When you buy from us, you’re supporting an Australian business that understands the unique demands of our climate and vehicles—and cares about keeping you powered up wherever you go on your adventures.

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