K2 Energy 12v 304ah Lithium Battery
Why Shop With Outback SafeTrack
-
Free ShippingEnjoy free shipping on this product!
-
Exclusive DiscountsCall us on 1300 902 361 for an exclusive discount.
-
30-Day ReturnsChanged your mind? Send it back with no fuss.
-
Fast DeliveryGet this product in 2–10 business days or claim $100 store credit.
-
Real Aussie SupportCall us Mon–Sat, 8am–9pm AEST. We’re here to help.
*Delivery windows may vary by location and carrier. $100 store credit applies if delivery exceeds 10 business days after dispatch.
Dependable K2 Energy 12V 304Ah Lithium Battery!
No worries if your fridge keeps cutting out, the lights are getting dim, or you're forever stressing about running out of power on your next trip. The K2 Battery 12V 304Ah is built to keep your caravan, camper, boat, or off-grid setup running longer, so you can spend less time watching your battery monitor and more time enjoying the great outdoors.
With heaps of reliable lithium power on tap, it's like having a dependable mate who's always ready to lend a hand, without asking for a cold one in return. If you're keen to upgrade your power setup and stay off-grid with confidence, grab the K2 Battery 12V 304Ah today.

Why The K2 Energy 12v 304ah Lithium Battery May Be Right For You:
- Enjoy longer off-grid adventures with the 304Ah LiFePO₄ battery capacity, so you can confidently power your fridge, lights, inverter and other essentials without constantly worrying about running flat.
- Save time and get back to full power sooner thanks to the high-efficiency lithium battery technology, allowing you to recharge faster and spend more time enjoying your campsite.
- Count on dependable performance for years to come with the long-life LiFePO₄ cells, giving you thousands of charge cycles and excellent value over the life of the battery.
- Travel with confidence over rough Aussie roads thanks to the durable, maintenance-free design, helping your power system handle the bumps and vibrations of caravanning, camping and boating.
- Power more of your gear with confidence using the high-capacity 12V 304Ah battery, giving you the energy you need to stay comfortable whether you're camping off-grid, touring Australia or setting up a reliable backup power system.
K2 Battery 12v 304ah Package Contents:
- K2 Energy 12V 304Ah LiFePO₄ Lithium Battery
- User Manual
- Warranty Information
12v 304ah K2 Energy Battery Tech Specs
Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate)
Nominal Voltage: 12.8V
Rated Capacity: 304Ah
Nominal Energy: 3,891Wh (3.89kWh)
Maximum Continuous Charge Current: 150A
Maximum Continuous Discharge Current: 200A
Peak Discharge Current: 250A (short duration)
Cycle Life: 5,000+ cycles (at recommended depth of discharge)
Battery Management System (BMS): Integrated Smart BMS with overcharge, over-discharge, over-current, short-circuit and temperature protection
Bluetooth Monitoring: Yes
Series Connection: Up to 2 batteries
Parallel Connection: Up to 4 batteries
Charging Voltage: 14.4–14.6V
Discharge Cut-off Voltage: 10.0V
Operating Temperature (Charge): 0°C to 65°C
Operating Temperature (Discharge): -20°C to 65°C
Maintenance: Maintenance-free
Application: Caravans, campers, 4WDs, boats, off-grid solar systems and backup power.