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Suncoast Batteries

SunVolt 300Ah Lithium Battery LiFePO4 Deep Cycle 12V Battery

SunVolt 300Ah Lithium Battery LiFePO4 Deep Cycle 12V Battery

Regular price $799.95 AUD
Regular price Sale price $799.95 AUD
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SunVolt 300Ah Lithium Battery LiFePO4 Deep Cycle 12V Battery for Caravan, Solar & Marine

12V 300Ah LiFePO4 Lithium Battery

Reliable power wherever you need it with Free Delivery Australia Wide - 3 Year Complete Replacement Warranty

The ultimate high-capacity 12V lithium battery for serious off-grid power. Engineered for exceptional performance, this premium LiFePO4 battery is ideal for caravans, RVs, 4WDs, boats, home backup systems, solar installations and demanding off-grid applications. Delivering an incredible 3840Wh of usable energy, this 12V 300Ah LiFePO4 Lithium Battery features premium lithium technology, a powerful 200A Smart Battery Management System (BMS), and over 2,000 charge cycles, making it the ideal replacement for heavy AGM and lead-acid batteries.

Enjoy maintenance-free operation, massive energy storage, stable power delivery and years of dependable performance wherever your Aussie adventures take you.


Key Features

  • 3840Wh Massive Energy Storage
    300Ah capacity at 12.8V delivers exceptional runtime for fridges, air conditioners, coffee machines, induction cooktops, inverters, lighting, pumps and high-demand appliances. Perfect for extended off-grid adventures and large solar systems.
  • 2,000+ Charge Cycles
    Premium LiFePO4 chemistry provides significantly longer service life than traditional AGM batteries while remaining completely maintenance free.
  • 200A Smart Battery Management System
    Advanced BMS protects against:
    • Overcharging
    • Over-discharge
    • Over-current
    • Short circuits
    • Voltage instability
    • High and low temperature conditions
    The rugged IP65-rated ABS housing is designed for reliable outdoor performance.
  • High Output Performance
    Provides 200A continuous discharge and up to 400A peak discharge (5 seconds), making it suitable for larger inverters and demanding electrical systems.
  • Solar Ready & Expandable
    Compatible with:
    • Solar Panels
    • 240V Battery Chargers
    • Generators
    • Vehicle Alternators (with suitable DC-DC charger)
    Expand your system with up to 4 batteries in parallel or 4 batteries in series.
  • Heavy Duty Construction
    Built with a durable ABS case, IP65 protection and premium lithium cells for dependable operation in harsh Australian conditions.

Perfect For

✔ Caravans

✔ Camper Trailers

✔ Motorhomes

✔ 4WD Touring

✔ Marine & Boating

✔ Off-Grid Solar Systems

✔ Tiny Homes

✔ Home Backup Power

✔ Large Inverter Systems

✔ Outdoor Energy Storage


Power More. Go Further. Stay Longer.

Whether you're travelling Australia, building a serious solar setup or powering your entire caravan, this 300Ah LiFePO4 battery delivers dependable high-capacity energy with exceptional runtime and long service life.

Free Australia Wide Delivery - 3 Year Complete Replacement Warranty Included.


Technical Specifications

Nominal Voltage 12.8V
Nominal Capacity 300Ah
Rated Energy 3840Wh
Battery Chemistry LiFePO4 Lithium
Battery Management System 200A Smart BMS
Approximate Cycle Life 2,000+ Cycles
Standard Charging Current 100A
Maximum Charging Current 200A
Standard Discharge Current 200A
Maximum Continuous Discharge 200A
Peak Discharge 400A (5 Seconds)
Recommended Charger 14.6V 50A
Charging Voltage 14.6V
Charge Method CC/CV
Maximum Parallel Connection 4 Batteries
Maximum Series Connection 4 Batteries
Protection Rating IP65
Case Material ABS Plastic
Bolt Type M8 Nickel Plated
Warranty 3 Year Complete Replacement

Operating Temperatures

Charging Temperature 0°C to 45°C
Discharging Temperature -20°C to 60°C
Storage Temperature -10°C to 50°C

Dimensions & Weight

Product Dimensions 520 × 269 × 220mm
Package Dimensions 585 × 340 × 305mm
Product Weight 27kg
Package Weight 28kg

What's Included

1 × 12V 300Ah LiFePO4 Lithium Battery

2 × M8 Terminal Bolts

2 × Terminal Insulating Covers

2 × Spring Washers

4 × Flat Washers

1 × User Manual

1 × 3 Year Complete Replacement Warranty


Safety Information

For safe operation and maximum battery life:

  • Charge using a compatible LiFePO4 charger.
  • Avoid leaving the battery permanently on charge once fully charged.
  • For longest battery life, maintain charge between approximately 20% and 80% where practical.
  • Always charge on a non-flammable surface.
  • Store in a cool, dry location.
  • Never dismantle or modify the battery.

Why Buy From Suncoast Batteries?

✅ Australian Owned & Operated

✅ Free Australia Wide Shipping

✅ Expert Technical Support

✅ Quality Tested Products

✅ Trusted Battery Specialists

✅ Australia Wide Warranty Cover

✅ Ships Fast Australia Wide from our Sydney Warehouse.

📦 Specialty Item: This product is not held in-store. It is shipped fast and direct from our online orders warehouse. No in-store pickup available.

Buy With Confidence

30 Day Money-Back Guarantee
Fast Australia-Wide Delivery
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