Eco-Worthyvia AmazonUpdated < 1hr ago
400W 12V Complete Kit Ultra — 40A MPPT + 280Ah LiFePO4 + 2000W Inverter
Real build cost
$1,600
1 component role not included.
Best forRV / van life, shed / workshop, and boat / marine
Underpowered forhomestead
Solar
400W
Storage
3.6kWh
Inverter
2000W
Cost / W
$4.00
Cost / Wh
$0.45
System voltage
12V
Battery chemistry
LiFePO4
What's included
86% completePanelsControllerBatteryInverterWiringMountingMonitor
Missing Components — Not Priced
This kit is missing 1 component that is not included in the advertised price:
Monitoring
Evidence
Cohort-normalizedCost verdict
—Advertised price ≈ real build cost
$1,600 advertised→$1,600 real
Completeness86%
Missing required parts:
Monitoring
Use-case fit
Best for:RV / vanCabinShedEmergencyBoat
Underpowered for:Homestead
vs 13 cohort peersLower = cheaper
77th percentile for $4.00/W
0th percentile for $0.45/Wh
Deal status152 datapoints
37% above tracked lowAlternatives in cohortSame system type, similar specs
Component breakdown
6 included · 1 missingStatus
Role
Component
Specs
Qty
Est. Cost
Monitoring
Not included
1×
—
Monitoring
Not included
—
1×
Price history
Price History
▲ 17% ABOVE AVGAll-time low: $1,170Average: $1,368Current: $1,600High: $1,600
Last observed at retailer: Oct 6, 2026. Days between observations carry the most recent known price — not new data.
Read further
From our researchSee how this kit ranks in the Best RV Solar Kit guide
RV + van life
Price Drop Alert
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