Wet batteries

We were at the car boot this morning - well, 4 of them to be honest.  My husband was trying to find a lawnmower after he left the lithium battery for his new mower outside in the rain for a week and it - unsurprisingly - no longer works. An expensive mistake!  

Quote for today:
Mistakes are a part of life; you can't avoid them.  All you can hope is that they won't be too expensive and that you don't make the same mistake twice.
- Lee Lacocca