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PLUS 7.92kW — EG4 FlexBoss18, 20.48kWh LiFePO4, + SkyRack HD

Real build cost

$18,789

1 component role not included.

Best forRV / van life, weekend cabin, and shed / workshop
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Updated 2026-05-07Prices refreshed every 6hMethodology →

Solar

7920W

Storage

20.5kWh

Inverter

None

Cost / W

$2.37

Cost / Wh

$0.92

System voltage

48V

Battery chemistry

LiFePO4

What's included

71% complete
PanelsControllerBatteryInverterWiringMountingMonitor
Missing Components — Not Priced

This kit is missing 1 component that is not included in the advertised price:

Inverter

↓ Panel-bundled configurations available below

Other Configurations

Evidence

Cohort-normalized
Cost verdict
Advertised price ≈ real build cost
$18,789 advertised$18,789 real
Completeness71%

Missing required parts:

Inverter
Use-case fit
Best for:RV / vanCabinShedEmergencyBoat
vs 20 cohort peersLower = cheaper

100th percentile for $2.37/W

90th percentile for $0.92/Wh

Deal status20 datapoints
At or near tracked low
Install complexityModerate
48V wiring + breakersLicensed electrician

Component breakdown

5 included · 1 missing
Inverter

Not included

1×

Price history

Price History

4% BELOW AVG
All-time low: $18,789Average: $19,554Current: $18,789High: $19,689

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