WindyNationvia AmazonUpdated < 1hr ago
WindyNation 400W Complete Kit with 1500W VertaMax Inverter
Solar
400W
Storage
None
Inverter
1500W
Cost/Wh
N/A
Kit Completeness71%
PanelsControllerBatteryInverterWiringMountingMonitor
Use Case Suitability
RV & VanfairCabinpoorShedfairEmergencyfairHomesteadpoorBoatfair
Advertised Price
$600
Real Build Cost Breakdown$874
Kit price $600Missing ~$274
Affiliate link — same price for you, supports this tool
Price Drop Alert
Completion Gap Receipt
Advertised price$600
Required missing parts
+ Battery~$249
+ Monitoring~$25
Hidden cost to finish+$274
Real build cost$874
+$274 hidden cost · 1.5x 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 than MPPT
1×
Included
Inverter
VertaMax 1500W Modified Sine
Modified sine — not safe for sensitive electronics
1×
Included
Wiring
Solar + inverter cables
Solar + inverter cables — 40ft 12AWG solar cable, MC4 connectors, 2AWG inverter cables
1×
Included
Mounting
Solar mounting hardware
Solar mounting hardware — Included
4×
Included
Battery
Not included
1×
~$249
Monitoring
Not included
1×
~$25
Total estimated cost to complete this kit
~$274
Solar Panels
WindyNation 100W Poly
Included
4×
WindyNation 100W Poly — 4x 100W = 400W total
Charge Controller
WindyNation P30L PWM
Included
1×
PWM — less efficient than MPPT
Inverter
VertaMax 1500W Modified Sine
Included
1×
Modified sine — not safe for sensitive electronics
Wiring
Solar + inverter cables
Included
1×
Solar + inverter cables — 40ft 12AWG solar cable, MC4 connectors, 2AWG inverter cables
Mounting
Solar mounting hardware
Included
4×
Solar mounting hardware — Included
Battery
Not included
~$249
1×
Monitoring
Not included
~$25
1×
Total to complete~$274
Price History
▲ 14% ABOVE AVGPrice history for WindyNation 400W Complete Kit with 1500W VertaMax Inverter. Current price $600.00, above the average of $525.21. All-time low $463.03. 180 data points tracked.
All-time low: $463Average: $525Current: $600High: $600180 data points