Here's a 12 volt car battery charger/ engine starter that works in three modes
This portable automotive battery charger has three modes, making it easy to charge, maintain or jump start 12 volt batteries. This 12 volt automotive battery charger has built-in safety features such as reverse polarity alert, thermal protection shutoff and a self-resetting circuit breaker. Copper plated clamps offer superior conductivity.
We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.