DELTA Pro Ultra

Whole-home backup power at generator-replacing scale, for the households that have decided a portable station isn't enough anymore.

The only portable power station certified to both UL1973 and UL9540, the same safety bar as fixed home battery systems
0ms online-UPS transfer, power never blinks, even sensitive lab or medical equipment stays running through a grid drop
Industry-fastest 8,800W charging, two batteries fully charged in 2 hours instead of overnight
Self-heating battery works reliably below 32°F, doesn't lose performance the moment winter arrives

6,144Wh (expandable to 90kWh)

Capacity

7.2-21.6kW with up to 3 inverters

AC Output

0ms online-UPS transfer time

Charge Time

186 lb (inverter + battery)

Weight

$3,799

No payment now, a team member confirms details and payment with you directly after you submit your order.