Blue Nova 13V 218Ah Lithium Battery

Short Product Summary

The Blue Nova BN13V-218-2.8K is a high-capacity LiFePO₄ deep-cycle battery delivering 2.8kWh (218Ah) of dependable 13V power. The flagship of Blue Nova's Mobile Power Series, it's a rugged, IP56-rated drop-in lead-acid replacement for serious off-grid, caravan and backup systems — backed by a 3-year warranty.

Why This Product

When you need real capacity — a caravan fridge, lights, an inverter and devices running off-grid for days — the 2.8kWh MPS delivers. It pairs a tough ABS, water- and dust-resistant (IP56) enclosure with an integrated BMS and an exceptional cycle life of over 8000 cycles at 30% depth of discharge, giving you years of dependable, low-maintenance power.

Key Features

• 2.8kWh / 218Ah usable energy – serious capacity for extended off-grid running.
• 108A continuous discharge – with a 216A peak (<3s) for heavy start-up loads.
• Fast charging – 40A standard, up to 100A maximum.
• Ultra-long cycle life – >2000 @100% DoD, >3000 @80%, >5000 @50%, >8000 @30%.
• Integrated BMS – over-charge, over-discharge, over-current and short-circuit protection.
• IP56 rated – water- and dust-resistant ABS enclosure.
• Drop-in lead-acid replacement with a 3-year warranty.

Ideal For

• Large caravan, trailer & camper builds needing days of off-grid power
• Overlanders running a fridge, inverter and lights for extended trips
• Home & off-grid backup where high capacity and long life matter

Local Support from 4Matt Campers

4Matt Campers serves the Western Cape and Cape Town, and ships across South Africa — helping clients build reliable 12V and off-grid power systems. We'll help you size the battery, charging and inverter to match your build.

Technical Specifications

• Brand: Blue Nova
• Model: BN13V-218-2.8K (Mobile Power Series)
• Chemistry: LiFePO₄ (lithium iron phosphate)
• Nominal Voltage: 13 V
• Capacity: 218 Ah / 2.8 kWh (2834 Wh)
• Continuous Discharge: 108 A
• Peak Discharge: 216 A (<3 s)
• Charge Current: 40 A standard · 100 A max
• Cycle Life: >2000 @100% DoD · >3000 @80% · >5000 @50% · >8000 @30%
• BMS: Integrated (over-charge, over-discharge, over-current, short-circuit)
• Protection Rating: IP56 (water & dust resistant)
• Enclosure: Durable ABS
• Dimensions: 522 × 240 × 245 mm
• Weight: 27 kg
• Warranty: 3 years

What's Included

• 1 × Blue Nova BN13V-218-2.8K Lithium Battery
• User manual

Optional Fitment / Upgrade Notes

To get the most from your Blue Nova battery, it's worth confirming:

• Your charger / DC-DC charger is set to a lithium (LiFePO₄) profile
• A battery monitor or shunt for accurate state-of-charge on a big bank
• Cabling and fusing rated for your inverter's current draw

Complete Your Setup

Browse the full Blue Nova range and all lithium batteries, or add the right 12V electrical & power gear, a solar panel or a portable power station.

FAQ

How much can a 2.8kWh battery run?
With 2834Wh it can run a 12V fridge, lights and an inverter for days off-grid, depending on your loads. We'll help you estimate realistic runtime.

How long will it last?
Blue Nova rates it at over 8000 cycles at 30% depth of discharge — years of dependable use — backed by a 3-year warranty.

Can I connect more than one?
Yes — Blue Nova batteries can be expanded for more capacity. Ask our team to confirm the correct configuration for your system.