High-Capacity 3,840Wh LiFePO4 Expansion Battery

This expandable battery delivers a substantial 3,840Wh of energy capacity, operating at 51.2V with a 75Ah rating. It is designed to provide extended runtime for compatible portable power stations, making it a practical choice for home backup power, off-grid use, camping, recreational vehicles, workshops, and other applications that require dependable stored energy.

Built with durable LiFePO4 battery chemistry, the battery is engineered for long-term performance and improved reliability. It is rated for more than 3,500 charge cycles before reaching 80% of its original capacity, allowing it to provide years of regular use while maintaining strong performance.

The battery weighs approximately 30.3 kilograms, or 66.8 pounds. Its compact dimensions are approximately 441 × 312 × 223 millimeters, equivalent to 17.3 × 12.2 × 8.8 inches, making it easier to position and store alongside a compatible power station.

This expansion battery is compatible with the following models:

E1500LFP, E3600LFP, E1000LFP, E2400LFP, F3000LFP, and E3800LFP.

It can be connected to a supported unit to increase total available battery capacity, helping users run appliances, electronics, tools, and essential equipment for longer periods between charges.