I do have one pointer about battery maintenance. Don't check fluid level with a cigarette lighter.
When I was a paramedic I worked 3 cases where guys wanted to check the fluid level. The removed the little caps and they got their face right down next to the battery, so they could see it well. They lit up the Bic and the battery exploded.
When I got there, the guy is jumping around and screaming, his face is covered with battery acid.
You would think it would cause blindness but not necessarily so. You have to "irrigate" the eyes. These three calls were all at houses, I would grab the guy and pull/drag him into the bathroom, turn on the shower, and, fully dressed I got into the shower with him and sprayed shower water into his eyes. I held his head and held his eyes open.
Did that for about 15 minutes, then hauled ass to the hospital, all three of those guys had their vision saved.
