Originally Posted by
jrickards
The light inside was glowing green which means the batteries are charged but it still wasn't working. I shook it to listen for any sounds of something being loose inside and water came out. Like I said, it was cheap (and I wisely bought 3) so I can just swap it out with another but I shook out as much water as possible and will let it dry. That might be enough to get it back again but if not, like I said, I have 2 others at home.
So, it appears that the water may be gone. I found another entry point, other than the USB charging port: the button to turn it on and change blink style can also be opened and there was a bit of visible rust inside. I opened it up, shook it again, water droplets came out, then left it opening side down to drain and dry out.
The light continued not to stay on, as it had all day: it would stay on while I had the ON button depressed but then it would turn off when I released the pressure.
Now, the situation has done a 180°, it is on solid and I can't turn it off.
Oh well, at least, if it lasts in this state, I'll have a rear light to go home with until I dump it (or it fixes itself again).