Can I use a battery tender to charge a dead battery?

A completely dead battery should take at least 35-45 hours or more with a Battery Tender Junior (0.75 amps), and 20-30 with a Battery Tender Plus (1.25 amps). Unfortunately, these chargers cannot begin to charge a fully depleted battery. They need to sense a certain amount of voltage before they can function.

Similarly, it is asked, what is a battery tender for a car?

The Battery Tender Plus is a 1.25-amp battery charger designed to fully charge a battery and maintain it at proper storage voltage without the damaging effects caused by trickle chargers. Included is a quick connect harness for hard to reach areas.

Is a battery tender the same as a trickle charger?

The difference between a trickle charger and a battery tender is that a trickle charger constantly applies a charge, whether the battery is fully charged or not. When it senses the voltage has dropped, a battery tender will resume charging. Because of this a battery tender can be left connected indefinitely.

How does a battery maintainer work?

Unlike chargers, which are designed to charge your batteries completely, maintainers are designed to supply a small trickle of electricity to your batteries over a long period of time. This trickle charge is enough to counteract self-discharge, but not so large that it threatens to overcharge your batteries.

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