: Comes equipped with heavy-duty clamps for secure attachment to battery terminals. Pros and Cons Simple Operation

Connect the clamp to a clean, unpainted metal part of the vehicle chassis or engine block, away from the battery. Plug the charger into a 120V AC outlet. Step 3: Selecting Your Mode

Connect the clamp to a clean, unpainted metal part of the vehicle frame or engine block, away from the battery, to avoid sparks. Settings: Set the voltage switch to match your battery ( 6V or 12V ).

The battery may have dropped below 2 volts. Manual chargers sometimes fail to recognize or charge a completely ruined, shorted battery.

After each use, wipe the clamps clean with a dry cloth to remove any residual battery acid or corrosion.

Clean the battery terminals using a wire brush to remove corrosion, dirt, and scale.

A: Only on the 2A trickle setting and for a maximum of 12 hours. On 10A, overnight will boil the battery dry.

Even with a perfect , issues arise. Here is how to fix them.

20 Amps (quick charging for severely discharged batteries).