How long does a 300W power station last?

Note: This article is summarized from our team's daily technical support experience. We strive for accuracy and welcome your feedback or corrections.

SolarCam Mobile Energy Storage (YN30-300W-200WH)

This unit is rated for a 300W output with a 200Wh capacity.

Below is the estimated “Lasts Time” or charging frequency for various devices:

Device Energy Use (WH) Estimated Usage
Emergency Searchlight 54.6 WH About 3 times
USB Fan 7.4 WH About 25 times
Bluetooth Headphones 2.4 WH About 80 times
iPhone 15 ≈ 14 WH About 13 times
Action Camera 6.49 WH About 29 times
Smart Speaker 9.24 WH About 20 times


Quick Tip on the Math

If you ever want to calculate the runtime for a device not listed here, you can use this general formula:

Working Time = (200Wh × 0.85) / Device Wattage

(0.85 accounts for standard energy loss during conversion)

Would you like me to help you figure out how long a specific appliance (like a laptop or a mini-fridge) would run on this power station?