The Battery Tender Junior is a fully automatic and microprocessor-controlled 12-Volt 750-mA battery charger. It is designed to bring a battery back up to a full state of charge and then maintain a battery at 100% indefinitely without the worry of typical trickle chargers that sometimes overcharge and burn up batteries.
Likewise, how long can you leave a battery tender on a battery? 3. How long can I leave the Battery Tender® Plus battery charger connected to a battery? In theory, you can leave the Battery Tender® Plus battery charger connected to a battery forever.
Keeping this in consideration, can I leave my battery tender on all the time?
In theory, you can leave the Battery Tender® Plus battery charger connected to a battery forever. Thats a really long time. Of course, that time is usually when the battery is connected to a charger, and you are out of town on vacation.
What is the difference between a battery tender and a battery maintainer?
The main difference between them is complexity as the battery maintainers contains more advanced circuitry than most battery chargers. The circuitry is used to detect the charge level to determine if the battery needs a charge and how fast to charge it.