$30 off DieHard 71222 Automatic Battery Charger

Bring a fast, powerful charge wherever it's needed with the Diehard Battery Charger. The 12V starter and TT charger offers a 2 am trickle, 10 amp fast charge and a 50 amp engine start that's suitable for all types of vehicles with 12 volt batteries, including cars, trucks, motorcycles, boats, RVs, farm equipment and lawn tractors.

• Housed in a rust-proof, shock-resistant black polypropylene case for extended life and safety
• The fast and powerful Diehard Battery Charger charges up all types of vehicles and farm equipment with 12 volt batteries
• 2 amp trickle, 10 amp fast charge, 50 amp engine start
• Solid-state circuitry with silicon diodes for optimum performance
• 2 LEDs show power on and full charge status
• Copper wound transformers for long life
• Spark-proof protection in automatic mode for added safety
• Reverse hook-up protection, UL listed