Best battery?

[myglaren]

Perhaps your batteries have a better charging regime depending on how your cars are used.
My previous car had a Lion battery in it when I bought it and it didn't last very long, replaced with a Yuasa from GSF. Otherwise I don't have much bother with them. ad to replace one in the last C5 a Varta replaced with a similar Varta from Tayna.
Someone said that Varta and Bosch are all built on the same production line.

[Adam1984]

Hello,

Ok. So my battery is showing as weak today. Looking up new battery and it comes up on sites that I need a AMG battery, my current battery is a EFB. Why has this changed on various sites?