SELECTvia Shop Solar KitsUpdated < 1hr ago
PRO 15.84kW — EG4 FlexBoss21+ GridBoss, 30.72kWh LiFePO4, + SkyRack HD
Real build cost
$30,889
Complete kit — advertised price is the real price.
Best forRV / van life, weekend cabin, and shed / workshop
Solar
15840W
Storage
30.7kWh
Inverter
16000W
Cost / W
$1.95
Cost / Wh
$1.01
System voltage
48V
Battery chemistry
LiFePO4
What's included
86% completePanelsControllerBatteryInverterWiringMountingMonitor
Complete Kit — Advertised Price Is the Real Price
All required components for a working system are included. No additional purchases needed.
Verified Aug 9, 2026Methodology
Other Configurations
PRO 15.84kW — EG4 FlexBoss21+ GridBoss, 28.6kWh LiFePO4
$19,859$-11,030
Panels15840W86%
PRO 15.84kW — EG4 FlexBoss21+ GridBoss, 30.72kWh LiFePO4
$22,389$-8,500
Panels15840W86%
PRO 15.84kW — EG4 FlexBoss21+ GridBoss, 30.72kWh LiFePO4
$22,689$-8,200
Panels15840W86%
PRO 15.84kW — EG4 FlexBoss21+ GridBoss, 30.72kWh LiFePO4, + IronRidge
$26,539$-4,350
Panels15840W86%
PRO 15.84kW — EG4 FlexBoss21+ GridBoss, 30.72kWh LiFePO4, + SkyRack HDViewing
$30,889
Panels15840W86%
Evidence
Cohort-normalizedCost verdict
—Advertised price ≈ real build cost
$30,889 advertised→$30,889 real
Completeness86%
Complete as sold — every standard role ships in the box.
Use-case fit
Best for:RV / vanCabinShedEmergencyHomesteadBoat
vs 25 cohort peersLower = cheaper
88th percentile for $1.95/W
84th percentile for $1.01/Wh
Deal status66 datapoints
At or near tracked lowInstall complexityModerate
48V wiring + breakersLicensed electrician
Alternatives in cohortSame system type, similar specs
Component breakdown
6 included · 0 missingStatus
Role
Component
Specs
Qty
Est. Cost
Price history
Price History
▼ 3% BELOW AVGAll-time low: $30,889Average: $31,972Current: $30,889High: $31,989
Last observed at retailer: Aug 9, 2026. Days between observations carry the most recent known price — not new data.
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