Sizing Snapshot
Daily Energy
1807 Wh
Battery Bank
90.9 Ah
Solar Array
493 W
Inverter Baseline
1250 W
Solar pSEO Landing
60W Fridge + 1000W Microwave 24V Solar Battery Calculator (5 Sun Hours, 1-Day Backup)
Calculate daily Wh, LiFePO4 battery Ah, and solar panel watts for 24V off-grid systems using a 5h solar window and 1-day autonomy target.
Load Breakdown
| Appliance | Power | Daily Runtime | Wh/Day |
|---|---|---|---|
| Fridge (60W x 24h) | 60 W | 24.00 h | 1440 Wh |
| Microwave (1000W x 10m) | 1000 W | 0.17 h | 167 Wh |
| LED Lights (40W x 5h) | 40 W | 5.00 h | 200 Wh |
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FAQ
Is LIFEPO4 efficient for this load profile?
Yes, the model applies chemistry-specific assumptions for DoD and charging to keep estimates closer to practical planning ranges.
Can this replace a full electrical audit?
Use this for planning and shortlist decisions, then validate with measured appliance duty cycles and local irradiance history.
24V solar setup: how many battery Ah do I need?
For this load profile, estimated LIFEPO4 bank sizing is 90.9 Ah at 24V with 1-day autonomy.
How many watts of solar panels are required for 5 peak sun hours?
The calculator estimates 493 W panel capacity after charge and derate factors.