Connect the red clip to the positive (+) terminal of 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 a wire brush to remove corrosion or gunk from the battery posts to ensure a strong electrical connection. Connect the red clip to the positive (+)
Do not plug the charger into a wall outlet until after the clips are connected to the battery. Use safety glasses and gloves to protect against
Use safety glasses and gloves to protect against battery acid and potential sparks.
Before connecting any equipment, ensure your work area is well-ventilated to disperse hydrogen gas that may be generated during charging.
NAPA chargers range from manual models to "smart" microprocessor-controlled units. Napa Battery Charger and Noco Genius 10 - How They Work