Battery Calculator
Estimate your power usage & what you need.
Sizing a battery based power system is always difficult. Best way is to list where possible all items and normal use. If you are already running off a generator measure your daily or weekly kWh usage. If your unsure - call us...we can quickly assess your needs and work with you to size an affordable system at will work reliably for years.
Examples:
Lights x 5 @ 50W each running for 8 hrs per day
TV x 1 @ 80W running for 4 hrs per day
850W Microwave x 1 @ 1400W running for 1 hrs per day
| Item | Qty | Watts | Hours | Watt Hours |
| Example: Fridge | 1 | 45 W | 12 Hrs | 540 Wh |
| Total Watt Hours | 540 Wh | |||
| Item | Qty | Watts per Item | Hours Used Per Day | |
| W | Hrs |
| Charge / Discharge Losses | % |
| Average Hrs of Full Sun | Hrs |
| Battery Bank Voltage |
| Battery Capacity Ah (C10) | |
| Suggested Solar Array Size- Kw |