Do not plug the charger into a wall outlet until after the clips are connected to the battery.
Operating a NAPA battery charger involves a standard safety sequence to protect your vehicle's electronics and prevent sparks. Whether using a portable maintainer or a heavy-duty bench charger, the following steps provide a universal guide for safe use. 1. Safety and Preparation Napa Battery Charger Instructions
Use safety glasses and gloves to protect against battery acid and potential sparks. Do not plug the charger into a wall