Sizing Snapshot
Daily Energy
2207 Wh
Battery Bank
222.1 Ah
Solar Array
752 W
Inverter Baseline
1500 W
Solar pSEO Landing
Fridge + Microwave 12V Solar Calculator P5 (4h/1d)
Group 5: estimate daily Wh, battery Ah, and panel watts for Fridge + Microwave at 12V with 4 peak sun hours and 1-day autonomy.
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 |
| Induction (1200W x 20m) | 1200 W | 0.33 h | 400 Wh |
| LED Lights (40W x 5h) | 40 W | 5.00 h | 200 Wh |
Related Long-Tail Solar Calculators
48V · 6h sun · 2 day 12V · 3h sun · 1 day 12V · 3h sun · 2 day 12V · 4h sun · 1 day 12V · 4h sun · 2 day 12V · 5h sun · 1 day 12V · 5h sun · 2 day 12V · 6h sun · 1 day 12V · 6h sun · 2 day 24V · 3h sun · 1 day 24V · 3h sun · 2 day 24V · 4h sun · 1 day 24V · 4h sun · 2 day 24V · 5h sun · 1 day 24V · 5h sun · 2 day 24V · 6h sun · 1 day 24V · 6h sun · 2 day 48V · 3h sun · 1 day
Sequential Long-Tail Navigation
FAQ
12V solar setup: how many battery Ah do I need?
For this load profile, estimated LIFEPO4 bank sizing is 222.1 Ah at 12V with 1-day autonomy.
How many watts of solar panels are required for 4 peak sun hours?
The calculator estimates 752 W panel capacity after charge and derate factors.
Why does lower battery voltage usually require higher Ah?
For the same energy demand, lower voltage systems need more current. That translates into larger Ah requirements and often thicker cabling.
Should I oversize panels or batteries first?
In low-sun conditions, panel oversizing usually improves daily recovery. In high-cloud windows, additional battery autonomy reduces outage risk.