Double (or more) your power in seconds. The Oscal BP3600 is the official 3600Wh LiFePO4 expansion battery designed exclusively for the PowerMax 3600 and PowerMax 6000. Simply plug it in to instantly add another full 3600Wh of capacity — and scale up to 15 packs for a massive 57.6 kWh total system.
Built with the same long-life LiFePO4 cells (3500+ cycles to 80%), smart BMS protection, and support for simultaneous charging & discharging. Perfect for extended home backup, off-grid living, or multi-day adventures.
Warranty: 5-year manufacturer warranty.
Warranty exclusions include:
Damage from misuse, drops, water exposure, extreme temperatures, or improper operation
Unauthorized repairs or modifications
Normal wear and tear
Damage from external factors or force majeure
Products purchased from unauthorized sellers or without valid proof of purchase
