WindyNationvia AmazonUpdated < 1hr ago
400W Mono Kit — 1500W VertaMax Inverter + 300Ah AGM
Real build cost
$1,637
1 component role not included.
Best forRV / van life, shed / workshop, and boat / marine
Underpowered forhomestead
Solar
400W
Storage
1.8kWh
Inverter
1500W
Cost / W
$4.09
Cost / Wh
$0.91
System voltage
12V
Battery chemistry
AGM
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
$1,637 advertised→$1,637 real
Completeness86%
Missing required parts:
Monitoring
Use-case fit
Best for:RV / vanShedBoat
Underpowered for:Homestead
vs 13 cohort peersLower = cheaper
92th percentile for $4.09/W
Deal status49 datapoints
At or near 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
— AT AVERAGEAll-time low: $1,618Average: $1,639Current: $1,637High: $1,721
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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