Pro golf 23 amp charger this pro golf 23 amp charger is a vrlaagm charger that is is designed to provide a fast automatic method of charging your lead acid batteries which will ensure peak performance every time for best results leave the battery connected for no longer than 12 hours after being fully charged a full charged battery will only drop only 1 per month golf accessories electronically controlled input voltage 220240v 50hz 3 stage charging timing control