Experience the next generation of energy storage with the Energy Eco 48V 5.12kWh Semi-Solid State Lithium Battery. Built with advanced semi-solid state technology, it combines the stability of solid electrolytes with the proven performance of lithium-ion — delivering unmatched safety, reliability, and cycle life. Directly communicates with Victron and other brands - for more information please refer to the Battery Documentation.

Key Advantages:

• Higher Safety: No fire or smoke, even if punctured.

• Longer Life: 5,000+ cycles at 100% DOD and 10,000+ cycles at 80% DOD.

• Cold Weather Ready: Over 97% capacity retained at –20°C.

• Cool Running: Less than 7°C temperature rise at 0.5C discharge.

• Scalable: Connect up to 16 units in parallel for systems up to 86kWh.

• Universal Compatibility: Works with leading inverter brands including Victron, SMA, Growatt, and more.

• Maintenance-Free: Durable IP54-rated metal casing for long-term reliability.

• Modular & Proven: Easy to install, expand, and trust in critical off-grid applications.

Perfect for off-grid homes, caravans, marine, and remote installations, this semi-solid state battery delivers safe, scalable, and future-proof power where you need it most.

Select the ideal bundle for your power system. Each pack includes our premium Energy Eco 48V 5.12 kWh Semi-Solid State Lithium Battery, engineered for reliability, safety, and performance in marine, off-grid, and mobile applications.

• 1 Pack – Great for compact setups or testing. Save $650 off RRP.

• 2 Pack – Perfect for moderate off-grid or dual-battery systems. Save $1,350 off RRP.

• 3 Pack – Delivers 15.36 kWh total capacity. Save $2,100 off RRP.

• 4 Pack – Powerful 20.48 kWh system with strong value. Save $2,900 off RRP.

• 6 Pack – 30.72 kWh of premium storage — our best value. Save $4,500 off RRP.

The more you buy, the more you save — up to $4,500 total off retail pricing.

Please note, depending on weight and address, batteries may need to be collected from a depot.