DELTA Pro 3 vs Powerwall 3

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

DELTA Pro 3

$3,199

Capacity
4.1kWh
Max capacity
12.3kWh
Output
4kW
Surge
8kW
Weight
113 lb
UPS
10 ms
Essentials days
1.6 days
$/kWh-cycle
$0.230
Capabilities
expandable, fully_mobile, output_240v

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Powerwall 3

$15,000

Capacity
13.5kWh
Max capacity
54kWh
Output
11.5kW
Surge
11.5kW
Weight
287 lb
UPS
0 ms
Essentials days
5.3 days
$/kWh-cycle
$0.131
Capabilities
expandable, whole_home_transfer, automatic_switchover, output_240v

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

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