Battery Tender WaveCharge Pro 2 Bank Multibank Charger - 20 AMP (10 AMPs Per Bank) -12V - Smart Multi Battery Weatherproof Charger and Maintainer - 022-1007-DL-WH

EXTEND BATTERY LIFE: Compatible with all 12V lead-acid, flooded, AGM, and gel cell batteries and lithium batteries; complete 4-step charging program works the battery with overcharging or discharging INCLUDES: 12V 20 AMP 2 bank battery charger, two two-in-one alligator clip and ring terminal harness combo cables, mounting hardware, a two-year manufacturer limited warranty, and lifetime customer support PROTECTED: Rated IP67 weather resistant and shock and vibration resistant; with safety features including spark-proof and reverse charging protection 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