2 Charging Stations: Charge up to two 12 volt batteries at 10 AMPs simultaneously; automatically switches from full charge mode to float charge mode for optimal long-term battery health

Extend Battery Life: Compatible with all 12V lead-acid, flooded, AGM, and gel cell batteries and lithium batteries. 4-step charging algorithm optimizes battery life while preventing overcharging or discharging.

Includes: 12V 20 AMP 2 bank battery charger, two ring terminal cables, mounting hardware, a two-year manufacturer limited warranty, and lifetime customer support

Protected: IP68 and Marine UL ratings for weather, shock, and vibration resistance. Safety features including spark-proof, reverse charging warning, and ignition protection. Marine grade fused battery quick disconnects.

Long-Term Storage: Battery Tender battery chargers are completely automatic and may be left connected to both AC power and to the batteries being charged for long periods of time