Battery Tender 021-1171 is a 5 watt solar 12V battery charger with windshield mount for charging and maintaining vehicle batteries using sunlight. The charger is lightweight, fully automatic, and includes a built-in charge controller to help prevent overcharging.

Battery Tender 304-021-1171 5 Watt Solar 12V Battery Charger Features:

• 5 watt solar 12V battery charger
• Windshield mount design
• 12V @ 5 watt output
• Compatible with AGM, gel, lithium, standard sealed, and flooded lead-acid batteries
• Built-in charge controller helps prevent overcharging
• Float mode maintains optimal battery voltage
• IP67-rated weather resistance
• Spark-proof and reverse-charging protection
• 8 ft total reach
• 6.18 in. x 6.69 in. x .6 in. dimensions
• Includes two-in-one alligator clips and ring terminal cable
• Includes four suction cup mounts, four 5mm hex nuts, and instruction manual