SELECTvia Shop Solar KitsUpdated < 1hr ago
PLUS 7.92kW — EG4 FlexBoss18, 20.48kWh LiFePO4, + SkyRack HD
Real build cost
$19,569
1 component role not included.
Best forRV / van life, weekend cabin, and shed / workshop
Solar
7920W
Storage
20.5kWh
Inverter
None
Cost / W
$2.47
Cost / Wh
$0.96
System voltage
48V
Battery chemistry
LiFePO4
What's included
71% completePanelsControllerBatteryInverterWiringMountingMonitor
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
PLUS 7.92kW — EG4 FlexBoss18, 20.48kWh LiFePO4
$13,598$-5,971
Panels7920W71%
PLUS 7.92kW — EG4 FlexBoss18, 20.48kWh LiFePO4
$13,689$-5,880
Panels7920W71%
PLUS 7.92kW — EG4 FlexBoss18, 28.6kWh LiFePO4
$13,939$-5,630
Panels7920W71%
PLUS 7.92kW — EG4 FlexBoss18, 20.48kWh LiFePO4, + IronRidge
$15,639$-3,930
Panels7920W71%
PLUS 7.92kW — EG4 FlexBoss18, 20.48kWh LiFePO4, + SkyRack HDViewing
$19,569
Panels7920W71%
Evidence
Cohort-normalizedCost verdict
—Advertised price ≈ real build cost
$19,569 advertised→$19,569 real
Completeness71%
Missing required parts:
Inverter
Use-case fit
Best for:RV / vanCabinShedEmergencyBoat
vs 20 cohort peersLower = cheaper
100th percentile for $2.47/W
90th percentile for $0.96/Wh
Deal status66 datapoints
Near averageInstall complexityModerate
48V wiring + breakersLicensed electrician
Alternatives in cohortSame system type, similar specs
Component breakdown
5 included · 1 missingStatus
Role
Component
Specs
Qty
Est. Cost
Inverter
Not included
1×
—
Inverter
Not included
—
1×
Price history
Price History
▲ 3% ABOVE AVGAll-time low: $18,789Average: $19,033Current: $19,569High: $19,689
Last observed at retailer: Aug 9, 2026. Days between observations carry the most recent known price — not new data.
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