Because it is a pump, I am supplying power to the motor, but I think that I was able to keep the original output till the very end of charging. However, it will be out of charge as soon as the output drops, so be careful.
I was able to use it as usual. There are only such impressions. It is a product you are having trouble asking for impressions. If you try to write force, "I would appreciate it if you can use it forever without charging" and I only have sentences of childish thought so I would like to place a brush here.