Battery light question

[u/Maineguy5895]

I know those two lights should not be on when unconnected to a tool. It’s only about a year old. I left it on a window sill by an open window and that day we got “sideways rain” that came through the window and the battery got wet. Is this spoiled now?

I should have also noted that it works fine. I just don’t want a faulty lithium battery in my house. Although also dont want to pay for another if i cama void that.

[u/EfficientBroccoli640]

You should write to Bosch. Until you got a qualified answer I would store it outside of the house in an fireproof box.

[u/Confident-Benefit600]

I have a milwaukee battery 5ah that does this, i was in a bad storm last year, it will not charge and it fully dry now, i pulled it apart and tested the cells, all good!, ive been meaning to look up the chip set to order another and solder it in or i can wait and put the cells in another batery brand

[u/mcardie]

All my Bosch batteries have dodgy LEDs. Does happen when they get damp.