Hello everyone,
I have the X-Dragon 70W foldable solar panel and a Baseus 65W power bank.
Unfortunately, the solar panel only outputs a maximum of 12W via the USB ports.
The solar panel also has a DC output that can deliver up to 70W.
Would there be a possibility or adapter with which one could charge the power bank via the DC connection of the solar panel?
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That doesn’t work. According to the description, the panel delivers a maximum of 3A. These are unregulated at a possible voltage of 23V 70W and only at full sunlight. Reduced to 18V are only 54W, at 12V 36W.
At 5V the output is limited to 2.5A, but this is 2 times. Seems that 5A would be possible, that’s 25W.
Since the Powerbank can be charged with 65W, the 13A is not getting out of the solar panel under any circumstances. If the power bank does not need to control anything, because the voltage from the panel breaks in anyway and is then at the terminals at most slightly higher than the current voltage at the power bank battery. Only when the charge is terminated the power bank will block the solar panel the current from the solar panel and then the voltage can rise and then need something that regulates the voltage or switches the panel away.
Yes, there are adapters with which you can use the dc output of the solar panels to charge the powerbank, for example there are adapter cables that fit from the dc output to the connectors of the powerbank, however, ensure that the voltage of the dc output of the solar panels is compatible with the voltage of your powerbank so that there is no damage