DELTA PRO 3 - 4,096Wh / 4,000W + 8×200W Rigid Panels
Real build cost
Complete kit — advertised price is the real price.
Solar
1600W
Storage
4.1kWh
Inverter
None
Cost / W
$2.28
Cost / Wh
$0.89
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.
73th percentile for $2.28/W
100th percentile for $0.89/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.
Read further
From our researchcategory
Portable Power Stations: 173 Options Compared by Real Build Cost
Compare to 173 portable power stations by real cost
Read article →guide
Lithium and LiFePO4 Batteries: The Complete Guide for Off-Grid Solar
What LFP / Li-ion really gives you
Read article →guide
Watts, Kilowatts, and Kilowatt-Hours: The DIY Solar Sizing Guide
Watts → kWh sizing math
Read article →See how this kit ranks in the 2000W Solar Kit guide
Cabins, full-time vans
Price Drop Alert
Does this kit cover your loads?
Enter your appliances to size against the DELTA PRO 3 - 4,096Wh / 4,000W + 8×200W Rigid Panels.