Use-case calculator
Van-life laptop week
This bundle needs about 11399 rated Wh using the fixed 0.85 usable-capacity estimate.
| Load | Watts | Hours | Load energy |
|---|---|---|---|
| Laptop charger | 60 W | 30 h | 1800 Wh |
| Phone charging | 10 W | 14 h | 140 Wh |
| 12V portable fridge | 45 W | 168 h | 7560 Wh |
| LED light bulb | 9 W | 21 h | 189 Wh |
Smallest matching stations
| Model | Rated Wh | Usable Wh | Headroom | MSRP fixture |
|---|
Adjust this scenario
Pick loads, hours, and whether CPAP uses an AC inverter or a compatible DC converter cable.
A CPAP is a medical device. These are runtime estimates, not medical advice or a medical-safety guarantee. Test your exact setup at home before relying on it.