How Long Can You Leave A Battery Maintainer On. A great question for all portable battery users. A typical tender will charge a 12-volt battery to 144 volts and let it go no lower than 126.
Then hook it up to a battery maintainer. Batteries dont work well when theyre left discharged or at a low charge for long periods of time. Its just a specialized charger which will help keep the battery in tip-top shape while a car sits.
When properly maintained batteries can last for more than five years.
If your car is equipped with a flooded lead-acid battery you must know what happens if the battery is frequently overcharged. When properly maintained batteries can last for more than five years. Is it safe to leave a car on a trickle charger for 6 months. If it is a modern one - about as long as you like.
