Two Battery Olympus

Two Battery Olympus
Olympus 790 SW rather usual after use underwater?

I have an Olympus 790 SW. isn't old at all, as I bought it two-three months only. I use it under the water several times and all times has been perfect. But after underwater use, I can not turn on. It worked for a while (one or two days) after the last underwater use, but now I can not turn on. I tried to recharge the battery, but the red light flashes, which I think indicates the battery isn't. There wasn't / isn't any residue on the screen or anything. I have no idea what is wrong with it, mostly because it worked one time under water after the last use. Also, never been dropped or anything like that. Can anyone help please? Thank you.

The last time I took him under the water most likely leaked water through and after a while came to the battery, you must wait until it dries (maybe two days or less) or take it to the place you bought it and request it.

Olympus ls-10 Linear PCM Recorder – Test and demonstration – Acoustic guitar recording