These Chargers are also known as ''taper chargers'' given that charging present cuts down little by little, since the battery gets charged. buttons: a single to choose the charge method, and another to initiate charging. We had very little problems attaching the TOPDON to your battery terminals of our test https://vehiclebatterychargers.travel.blog/2024/10/04/hukums-your-source-for-industrial-instruments-online/