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There are some additional drawbacks in addition to the ones mentioned above. The biggest involves charging multiple devices at once. The SunJack panels aren't made for multi-device charging, and plugging in two or three gadgets can cause some issues. For example, I plugged my iPad Air and iPhone 13 into the panels in bright daylight. The iPhone charged at the same rate as earlier testing, but the iPad would start and stop charging intermittently. It couldn't seem to get a steady supply of power from the panels, making it a no-go.
I then tried all three devices (iPhone, iPad, laptop) at once. The iPhone and laptop started charging, albeit at significantly lower rates (so low that it was difficult to accurately measure them), but they would cut out randomly. The iPad never registered a charge. I reached out to SunJack about this. Here is their response:
The 60W panel can charge multiple devices. However, this only occurs at the same voltage level. The key is voltage, not necessarily the total power supplied from the panel. In order to charge multiple devices, the devices need to be charged at the same voltage. Also, the panel will prioritize lower voltage to ensure…
The EcoFlow 4pcs 125W Solar Panels are now 44% off, a discount of $400 on Amazon.
I see more hurricanes in a year than I’d like, so I ensure my house is prepared to weather each storm and its potential consequences. We get a handful of power outages yearly, so I have a whole-home battery backup system and keep several portable batteries around the house. I also take these portable batteries when camping, so I was eager to test the EcoFlow 500W modular solar panel system.
Also: I took this 130-pound power station on an off-grid adventure – here’s my buying advice
There’s a lot to like about these bifacial solar panels. They’re portable and lightweight, only nine pounds each, yet they’re rigid, unlike other portable panels. These EcoFlow panels have an aluminum frame and a…