Once the needle stops dropping for several hours or reaches zero, the battery is fully charged.

If the charger becomes excessively hot, the thermal cutout may have triggered. Unplug the unit and allow it to cool before restarting. Bradex BX60 Battery Charger 12V 4A

Keep the unit dry. Do not use in damp or wet conditions, as moisture can damage the internal transformer.

Prevents damage if the clips touch.

If possible, from the vehicle to prevent potential damage to the alternator or vehicle bodywork from acid spills.