I remember now a battery that leaked in a flashlight about 40 years ago, leaving a bit of a tarry mess, but nothing in recent history, and it seems that I have dozens of devices that they stay in all the time. It sure would be a pain to keep the batteries separate, and only use them when needed. Methinks the fire department may say different too, just guessing.
2017 Escape 5.0 TA (someday soon, I hope
2015 Ford F150 Lariat 3.5L EcoBoost
2009 Escape 19 (previous)
“Most folks are about as happy as they make up their minds to be.” — Abraham Lincoln