AC500 + B300S + Home Integration Kit vs DELTA Pro Ultra

Specs side by side, essentials runtime after the 0.85 inverter derate, and direct buy links. Not sure which fits? Run the sizing wizard.

AC500 + B300S + Home Integration Kit

$3,158

Capacity
3.1kWh
Max capacity
18.4kWh
Output
5kW
Surge
10kW
Weight
150 lb
UPS
20 ms
Essentials days
1.2 days
$/kWh-cycle
$0.346
Capabilities
whole_home_transfer, expandable, output_240v

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Transfer switches and panel interlocks must be installed by a licensed electrician.

DELTA Pro Ultra

$4,099

Capacity
6.1kWh
Max capacity
90kWh
Output
7.2kW
Surge
10.8kW
Weight
186.4 lb
UPS
20 ms
Essentials days
2.4 days
$/kWh-cycle
$0.224
Capabilities
expandable, fully_mobile, output_240v

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