DieHard 10/2/50 amp. Automatic Battery Charger for $29.99 Shipped

DieHard 10/2/50 amp. Automatic Battery Charger for $29.99 shipped.  Here is a screenshot for your reference.  It has a rust-proof, shock-resistant polypropylene case for extended life and safety, solid-state circuitry with silicon diodes, spark-proof protection, copper wound transformers, and more.