Professional 4 Amp Battery Charger And Maintainer For Automotive Batteries

Introducing the DeWALT 4A Professional Charger/Maintainer, now available at Johnnys True Value Hardware in Harlingen, TX. This advanced 12-volt car battery charger is designed with cutting-edge microprocessor technology, making it a versatile and reliable solution for charging most 12-volt batteries, including deep-cycle, gel, and absorbed glass mat (AGM) types. Whether you are a professional mechanic or a vehicle owner in Harlingen, this charger offers a smart, efficient way to keep your batteries in optimal condition.

• Microprocessor technology: Automatically adjusts the amperage rate for quick and safe charging and maintenance with just a single button press.


• Battery reconditioning: Uses high-frequency current pulses to recondition weak, sulfated, or deeply drained car batteries, extending their lifespan.


• Efficiency and portability: Over 20 percent more efficient and 50 percent lighter than conventional charging systems, making it easy to handle and store.


• Winter mode: Specialized charging mode designed for cold weather to ensure reliable battery performance even in low temperatures.


• Large LCD display: Provides comprehensive readouts including voltage, amperage, charge capacity, and a "bad battery" indicator for easy monitoring.


• Fully automatic operation: Automatically switches to maintenance mode once the battery is fully charged to prevent overcharging and maintain battery health.


• Rugged and waterproof design: Built to withstand tough environments, with dust-proof features and a hanging hook for convenient placement.


• Safety features: Includes an alarm for reverse polarity and quick connection options using rings or clamps for secure and safe use.

This charger is ideal for a variety of practical uses in Harlingen. Whether you need to maintain your car battery during seasonal changes, revive a weak battery in your boat or motorcycle, or keep deep-cycle batteries ready for recreational vehicles, the DeWALT 4A Professional Charger/Maintainer offers dependable performance. Its lightweight and compact design make it perfect for both garage use and on-the-go charging needs. Professionals and DIY enthusiasts alike in Harlingen will appreciate the ease of use and advanced features that help extend battery life and improve reliability.



In summary, the DeWALT 4A Professional Charger/Maintainer is an essential tool for anyone looking to maintain and restore 12-volt batteries efficiently and safely. Available at Johnnys True Value Hardware in Harlingen, TX, this charger combines smart technology with rugged durability to meet the demands of modern battery maintenance. Enhance your battery care routine with this reliable charger and experience the benefits of longer-lasting, well-maintained batteries.