Expand your Anker SOLIX E10 Whole-Home Backup System capacity with additional Battery Packs. Each pack adds 6kWh storage, scaling up to 90kWh total. Stackable weatherproof design integrates seamlessly with existing E10 units. Increases backup runtime and solar storage capacity. Essential for growing energy independence and extended outage protection. | Anker | | SOLIX B6000 Battery Module*3 for E10, 18kWh Expansion Battery, 6-90kWh Expandable (18432 Wh Capacity) | Best Buy