Can You Leave A Battery Maintainer On All The Time. Our Research Has Helped Over 200 Million Users Find the Best Products. We have a small car museum at work and keep Battery Tenders on each car leaving them connected all the time winter and summer if cars are not driven.
Just remember to use a solar trickle charger with overcharge protection. Sales people like to say Just plug it in and forget about it. In addition to simply dying overcharged batteries can present a real hazard.
Sometimes a battery can have a weak cell that wont show up until the worst.
It will be still danger to overcharge your car battery. In fact there are solar charging devices specifically for marine batteries designed to be left on all the time. As long as it is plugged in you can leave the BatteryMINDer hooked up to a battery indefinitely. Just starting the car on a regular basis can keep the battery charged so it should come as no surprise that a car that the owner rarely drives such as a vehicle in storage may end up with a battery problem.
