Diagnosing a faulty AGM battery requires more than a quick voltage test. Users should perform a capacity and temperature test or consult a battery monitoring system to confirm whether the unit is ...

As part of its HOT ROD torture test, this Optima AGM battery was deliberately dealt a long, slow, 2.2-amp discharge until it showed less than 4 volts across the terminals.

The latest absorbed glass mat batteries can provide engine-cranking pulses up to 2,250 amps for five seconds, ensuring ...

The Good of AGM Deep Cycle Applications. Draining a battery to 50 percent before recharging it is referred to as deep cycling.This can often happen in the winter months when you leave your car or ...

I installed a new AGM battery in my 1999 Nissan Maxima. The radio will sometimes get loud and then return to normal.

New, advanced AGM batteries, such as Odyssey AGM2 batteries from EnerSys, are rated at 400 discharge cycles to 80 ­percent DoD and offer plenty of ­engine-­cranking capacity. When ­shopping, balance ...