🚗 Battery Tender 4 AMP Power Tender®

Smarter than a trickle charger, our 4 AMP will fully recharge and maintain your battery. Get a quicker charge on automotive, marine, and powersport batteries with this everyday charger. Compatible with 6 Volt and 12 Volt AGM, Lithium, Flooded, and Gel batteries.

🔋 Stay Charged

This 4 AMP battery charger provides a full charge to your vehicle's battery before automatically switching to float mode. It maintains proper voltage levels without overcharging. Monitor power levels with two LED lights indicating charging status.

📦 Connect and Forget

Compact and lightweight, our universal vehicle charger and maintainer is easy to operate even in small storage spaces. Spark-proof during lead connection and automatically detects reverse polarity for a correct, locked-in connection.

🔍 Monitor Power Levels

Two LED lights indicate the charging status. If the battery voltage drops too far under load, ISM adaptive charging will resume full charger output power. Safe and secure during operation.

🌐 Versatility

Compatible with lithium, lead-acid, flooded, or sealed maintenance-free batteries. Works with 6 volt and 12 volt batteries with the push of a button. California Residents WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov