PowerCell 15 Home Battery
$8,900 – $9,800
15 kWh of LiFePO4 storage rated for 8,000 cycles — outage backup and time-of-use arbitrage in one floor-standing tower.
| Usable capacity | 15 kWh |
|---|---|
| Chemistry | LiFePO4 |
| Round-trip efficiency | 94% |
| Cycle life | 8,000 @ 80% DoD |
The PowerCell 15 stores 15 kWh of usable energy in a floor-standing tower slimmer than a water heater. LiFePO4 chemistry delivers 94% round-trip efficiency and an 8,000-cycle life at 80% depth of discharge — roughly two decades of daily cycling. Stack up to four units for 60 kWh of whole-home resilience.