Charging method for 12v gel filled motorcycle batteries.
Gel filled batteries normally have have black, dark blue or grey cases and come completely sealed, so there’s no opening in the battery or acid to fill the battery with.
Like maintenance free batteries, these batteries don’t need the acid levels monitored or topped up.
The batteries usually start with the code YT, CT, GT, DT, ET (e.g. YT9B-4
