| Phone charger |
10W |
~45–60 hrs |
~90–120 hrs |
~150–200 hrs |
USB direct is usually more efficient than AC bricks. |
| LED light string |
10W |
~45–60 hrs |
~90–120 hrs |
~150–200 hrs |
Great low-load use case. |
| Wi-Fi router / hotspot |
10–15W |
~30–55 hrs |
~60–110 hrs |
~100–180 hrs |
Low loads may trigger eco shutoff on some units—use normal mode if needed. |
| Laptop |
60W |
~7–10 hrs |
~14–20 hrs |
~24–35 hrs |
Actual depends on charger and usage. |
| CPAP (no heated humidifier) |
40W |
~10–13 hrs |
~20–26 hrs |
~30–44 hrs |
Heated humidifier can raise watts significantly. |
| 12V car fridge/cooler (avg) |
60W (avg) |
~7–10 hrs |
~14–20 hrs |
~24–35 hrs |
Fridges cycle—‘avg’ varies with ambient temperature. |
| Portable fan |
30W |
~14–18 hrs |
~28–36 hrs |
~45–60 hrs |
DC fans can be more efficient than AC. |
| Projector |
100W |
~4–6 hrs |
~9–12 hrs |
~16–20 hrs |
Use ECO mode on the projector to extend runtime. |
| Blender / small kitchen |
300W |
~1.5–2 hrs |
~3–4 hrs |
~5–6 hrs |
Check surge for motor start-up. |
| Coffee maker (drip) |
800W |
~25–40 min |
~1.0–1.5 hrs |
~1.8–2.6 hrs |
Heating loads drain fast—use as a short burst load. |