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RV solar calculator

Solar Planner
1.1kWh/day2panels$3,990est.

Your 2-panel system covers a typical day with 32% headroom

generic sun estimate, set your location
you use 1.1 kWh/daypanels make 1.4 kWh on a worst-month day
Roof check
Panels your roof holds
4

Fits on your roof: 2 of 4 panel spots used.

Your appliances
Qty
1
Qty
10
Qty
1
Qty
1
Qty
1
Qty
2
Total
1.09 kWh/day270 W peak
Where the power goes
12V Compressor Fridge360 Wh
Laptop260 Wh
Roof Vent Fan240 Wh
LED Puck Light120 Wh
Phone Charger80 Wh

peak demand 270W

Set where you camp most to pull real NREL sun data. Until then we size for a conservative 4.5 peak sun hours.

Solar panels

2

2 × 200W = 400W

Battery bank

237 Ah

3 batteries at 12V · 2 days autonomy

Inverter

400W

Pure sine wave, 12V input

Charge controller

42A

MPPT

Estimated equipment cost
ItemQtyUnit $Total
Renogy 200W Mono(200W, 20.4V Vmp)
2$160$320
Battle Born 100Ah 12V LiFePO4(100Ah, 12.8V, 5000 cycles)
3$925$2,775
Aims 1000W Pure Sine(1000W Pure Sine Wave)
1$200$200
Victron SmartSolar 150/60(MPPT, 150V/60A)
1$500$500
RV Roof Mount Brackets (per panel)(Z-brackets + lap sealant)
2$30$60
10 AWG Solar Cable (50ft)(50ft, UV-rated, MC4)
3$45$135
Estimated total$3,990

Ballpark retail pricing for representative gear, not a quote. Actual cost varies with brand, sales, and installation.