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Solar array
1800 W
4 × 450 W panels
Battery bank
19.2 kWh
8 × 12V 200Ah · 2-day autonomy
Charge controller
50 A
MPPT at 48 V
Inverter
1400 W
pure sine
Daily load
5610 Wh
worst sun 5 h (Jul)
Main DC wire
8 AWG
~37.5 A run
Monthly peak sun hours · worst month drives the array
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Loads · edit and watch the system resize
| Load | Watts | Qty | Hours/day | Wh/day |
|---|---|---|---|---|
| LED classroom lights | 1080 | |||
| Timeback tablets (charging) | 800 | |||
| Starlink dish + router | 750 | |||
| Laptop chargers | 1040 | |||
| Water pump | 500 | |||
| Vaccine/medicine fridge | 1440 |
Bill of materials
- 4 solar panels1800 W
- 8 batteries (12V 200Ah LiFePO4)19200 Wh
- MPPT charge controller≥ 50 A
- Pure-sine inverter≥ 1400 W
- Main DC conductor8 AWG
- Balance of systembreakers, fuses, combiner, grounding