Meet the next generation of reliable off-grid power: our Black Series 314Ah Lithium (LiFePO4) Deep Cycle Battery. Designed for serious 4WDers, campers and tourers, this battery delivers exceptional performance, durability, and efficiency — ensuring your setup never runs out of 12V power when you need it most. Built to fit seamlessly into commonly battery trays and boxes, it’s the perfect drop-in replacement for traditional AGM units.

Precision Engineering & Quality You Can Trust

Each Black Series battery is produced using state-of-the-art robotic assembly and verified through a strict quality control process, including serialised tracking and comprehensive pre-shipment cycle testing. Every unit’s test report is archived for reference, and our confidence in quality is backed by a 5-year* Australian warranty.

Certified for Safety & Performance

Our Black Series lithium batteries meet or exceed all major global standards for safety, quality, and environmental compliance, including:

• UN 38.3 – Transport safety testing for lithium batteries

• UL 1973 – Quality and fire risk prevention

• IEC 62619:2:2022 – Industrial battery safety and reliability
  

• CE – European compliance for safety, health, and environmental protection

• RoHS - Restriction of Hazardous Substances

Manufacturing facilities are fully accredited to:

• ISO 9001 – Quality management

• ISO 14001 – Environmental management

True Capacity, Honest Ratings

We quote C5-rated capacity, not inflated nominal figures. This means our 314Ah battery will reliably deliver 62.8A of current for 5 hours straight — exactly what you expect from a true 314Ah battery. Many cheaper alternatives exaggerate their specs by using nominal ratings, which can be up to 20% higher than real-world performance. With Hardkorr, you get authentic capacity, honest data, and dependable power.

Important Note

This battery is not designed for under-bonnet installation OR cranking purposes.

When connecting multiple batteries in parallel, total discharge current scales with the number of batteries. For example, two batteries can safely deliver up to 300A combined.