SELECTvia Shop Solar KitsUpdated < 1hr ago
MAX 10.6kW — EG4 FlexBoss21, 28.6kWh LiFePO4
Real build cost
$16,239
Complete kit — advertised price is the real price.
Best forRV / van life, weekend cabin, and shed / workshop
Solar
10560W
Storage
28.6kWh
Inverter
16000W
Cost / W
$1.54
Cost / Wh
$0.57
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 May 7, 2026Methodology
Other Configurations
MAX 10.6kW — EG4 FlexBoss21, 20.48kWh LiFePO4
$14,889$-1,350
Panels10560W86%
MAX 10.6kW — EG4 FlexBoss21, 20.48kWh LiFePO4
$15,289$-950
Panels10560W86%
MAX 10.6kW — EG4 FlexBoss21, 28.6kWh LiFePO4Viewing
$16,239
Panels10560W86%
MAX 10.6kW — EG4 FlexBoss21, 20.48kWh LiFePO4, + IronRidge
$17,689+$1,450
Panels10560W86%
MAX 10.6kW — EG4 FlexBoss21, 20.48kWh LiFePO4, + SkyRack HD
$21,589+$5,350
Panels10560W86%
Evidence
Cohort-normalizedCost verdict
—Advertised price ≈ real build cost
$16,239 advertised→$16,239 real
Completeness86%
Complete as sold — every standard role ships in the box.
Use-case fit
Best for:RV / vanCabinShedEmergencyHomesteadBoat
vs 28 cohort peersLower = cheaper
39th percentile for $1.54/W
11th percentile for $0.57/Wh
Deal status20 datapoints
Below tracked averageInstall 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
▼ 4% BELOW AVGAll-time low: $15,489Average: $16,952Current: $16,239High: $17,289
Where to buy
Where to Buy3 in stock
Retailer
Price
Stock
Shop Solar KitsBest
In stock
$16,239
View dealShop Solar Kits
In stock
$18,489
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In stock
$22,489
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