An expansion battery for the Jackery HomePower 3600 Plus 3,584Wh on its own, and the whole system scales to 21.4kWh with five packs. Built for serious home backup, it holds 70% or more of its capacity past 6,000 cycles, good for a decade-plus and backed by a 5-year warranty.
CTB technology makes it the smallest and lightest in its class, a dual-handle design makes it manageable, and it keeps working in deep cold down to -20C.
- Capacity: 3,584Wh; expandable to 21.4kWh (5 packs)
- Cycles: 6,000+ at 70% capacity
- Cold performance: down to -20C
- Warranty: 5 years
- Compatibility: Jackery HomePower 3600 Plus only
