Battery Chemistry
12.8V nominal · 100% usable · 90% round-trip
Daily Peak Sun Hours
4.5 hrs
Daily Consumption
510 Wh
39.8 Ah @ 12V
Recommended Battery Bank
50 Ah
LiFePO4 Lithium @ 12V · 1.2d autonomy
Solar Generation Target
160 W
array @ 4.5 peak sun hrs
Inverter Requirement
None
no AC loads selected
Toggle loads, then tune wattage and daily runtime.
12V DC Compressor Fridge
45 W · 8 hrs/day · 28.1 Ah/day
LED Interior / Camp Lighting
15 W · 4 hrs/day · 4.7 Ah/day
Water Pump
60 W · 0.5 hrs/day · 2.3 Ah/day
Device Charging / Phones & Tablets
20 W · 3 hrs/day · 4.7 Ah/day
Laptop / Workstation 120V AC
65 W · 3 hrs/day · 15.2 Ah/day
CPAP Machine
35 W · 8 hrs/day · 21.9 Ah/day
Microwave / Induction Cooktop 120V AC
1,200 W · 0.3 hrs/day · 28.1 Ah/day
13.5k BTU RV Air Conditioner 120V AC
1,350 W · 2 hrs/day · 210.9 Ah/day
Starlink Mini / Standard 120V AC
40 W · 6 hrs/day · 18.8 Ah/day
Tip: amps × system voltage ≈ watts (e.g. 4A fridge at 12V ≈ 48W).
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