WindyNationvia AmazonUpdated 1hr ago
WindyNation 400W Complete Off-Grid Kit
Solar
400W
Storage
1.2kWh
Inverter
1500W
Cost/Wh
$1.05
Kit Completeness71%
PanelsControllerBatteryInverterWiringMountingMonitor
Use Case Suitability
RV & VangoodCabinpoorShedexcellentEmergencypoorHomesteadpoorBoatexcellent
Advertised Price
$1,149
Real Build Cost Breakdown$1,259
Kit price $1,149Missing ~$110
Affiliate link — same price for you, supports this tool
Price Drop Alert
Completion Gap Receipt
Advertised price$1,149
Required missing parts
+ Mounting~$80
+ Monitoring~$30
Hidden cost to finish+$110
Real build cost$1,259
+$110 hidden cost · 1.1x the advertised price
Real build cost = advertised kit + required missing parts only. Optional accessories and tools are not included in this total.
offgridempire.comPrice checked Mar 23, 2026
MethodologyComponent Breakdown
5 included / 2 missingStatus
Role
Component
Specs
Qty
Est. Cost
Solar Panels
WindyNation 100W Poly
WindyNation 100W Poly — 4x 100W = 400W total
4×
Included
Charge Controller
WindyNation P30L PWM
PWM — less efficient
1×
Included
Battery
WindyNation 100Ah AGM
AGM — 50% DoD, shorter cycle life
2×
Included
Inverter
VertaMax 1500W
Modified sine — not safe for sensitive electronics
1×
Included
Wiring
MC4 + battery cables
MC4 + battery cables — Included
1×
Included
Mounting
Not included
1×
~$80
Monitoring
Not included
1×
~$30
Total estimated cost to complete this kit
~$110
Solar Panels
WindyNation 100W Poly
Included
4×
WindyNation 100W Poly — 4x 100W = 400W total
Charge Controller
WindyNation P30L PWM
Included
1×
PWM — less efficient
Battery
WindyNation 100Ah AGM
Included
2×
AGM — 50% DoD, shorter cycle life
Inverter
VertaMax 1500W
Included
1×
Modified sine — not safe for sensitive electronics
Wiring
MC4 + battery cables
Included
1×
MC4 + battery cables — Included
Mounting
Not included
~$80
1×
Monitoring
Not included
~$30
1×
Total to complete~$110
Price History
— AT AVERAGEPrice history for WindyNation 400W Complete Off-Grid Kit. Current price $1,149.00, above the average of $1,131.06. All-time low $993.69. 180 data points tracked.
All-time low: $994Average: $1,131Current: $1,149High: $1,246180 data points