DELTA PRO 3 - 4,096Wh / 4,000W + 4×200W Rigid Panels
Real build cost
Complete kit — advertised price is the real price.
Solar
800W
Storage
4.1kWh
Inverter
None
Cost / W
$3.69
Cost / Wh
$0.72
System voltage
12V
Battery chemistry
LiFePO4
What's included
86% completeThis kit is missing 1 component that is not included in the advertised price:
↓ Panel-bundled configurations available below
Evidence
Cohort-normalizedComplete as sold — every standard role ships in the box.
100th percentile for $3.69/W
35th percentile for $0.72/Wh
Component breakdown
5 included · 0 missingPrice history
Price History
— AT AVERAGELast observed at retailer: Jun 21, 2026. Days between observations carry the most recent known price — not new data.
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Cabins, sheds, small builds
Price Drop Alert
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