You can't change it but 5 times air mattress is no problem. Cable fits in usb chargers

It usually works quite simply with a USB adapter like the one for iPhones, etc. But if the lamp never turns green despite longer charging, then something is wrong with the device. In any case, everything still works perfectly for me ...

Not sure about the paddleboard air volume, but pump was able to inflate below product quickly and several times on one battery charge. Intex Red River Run