CTEK - 40-206 MXS 5.0 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V

Unique reconditioning mode, built-intemperature sensing capabilities
Completely sealed unit, spark proof and reverse - polarity protected
Premium input and output cable with robust strain relief
Ideal for start-stop systems; Input: 120 VAC
Start voltage: 2.0 V; Battery capacity: 1.2–160 Ah