DELTA Pro + 400W Panel
Real build cost
1 component role not included.
Solar
400W
Storage
3.6kWh
Inverter
3600W
Cost / W
$4.25
Cost / Wh
$0.47
System voltage
48V
Battery chemistry
LiFePO4
What's included
0% completeThis kit is missing 1 component that is not included in the advertised price:
Evidence
Cohort-normalizedMissing required parts:
21th percentile for $4.25/W
11th percentile for $0.47/Wh
Component breakdown
6 included · 1 missingNot included
1×
Portable panel — no mounting needed
Price history
Price History
▼ 37% BELOW AVGLast observed at retailer: Jun 21, 2026. Days between observations carry the most recent known price — not new data.
Where to buy
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