V70: Electrical Charging AGM battery

[Kev0607]

Originally Posted by Boatie

Because there are different types of 'AGM Batteries'. Think of cheap AGMs and expensive AGMs. AGMs fitted to normal road cars (including Volvo) fall under the cheap heading. I really do suggest that anyone trying to come to terms with the differences look to specialist sites/publications.

Yep. Some AGM batteries are really expensive... these are the ones that can handle the AGM charge option on most battery chargers though (higher quality batteries in the first place).

However, people make the mistake of charging a cheaper AGM battery using the AGM mode & it simply overcharges the battery, which leads to more problems.

To be honest, I can understand why the mistake is made. People just assume that as they have an AGM battery, stick the charger on AGM mode & away you go... not necessarily the case (can cause damage if this mode is used on a cheaper AGM battery).

As you say, its important to read up on types of batteries & the instructions for your particular charger that you're using carefully.

"Normal" mode will charge an AGM battery, but it'll just take longer.