Minn Kota MK-210D Digital 2 Bank 5 Amp Marine Battery Charger for Boats, Trolling Motors & Watercraft - Fast Charging & Waterproof Design

Digitally controlled to monitor temperatures and state of charge to create a faster, regulated and more precise charge. Delivers up to two times faster charge times in high heat conditions. Multi-stage charging ensures a full charge while at the same time preventing overcharging. This technology automatically controls current and voltage over three charging stages: bulk, absorption, and maintenance.