https://www.amazon.com/dp/B004LWVEKS?tag=rasheed01f-20 – NOCO Genius G3500 6V/12V 3.5 Amp Battery Charger and Maintainer
The most versatile all-in-one battery charger any vehicle owner would need to quickly recharge its battery in hours, including cars, boats, trucks, RVs, tractors and much more up to 120 amp-hours. Perfect for keeping your vehicles fully-charged and maintained during year-round battery maintenance or long-term storage for improved performance and longevity. Works with all types of 6-volt and 12-volt lead-acid batteries, including Wet, Gel, and AGM, or any common automotive, deep-cycle, marine, or maintenance-free battery. Keep your battery fully charged without worry or overcharge. Simply plug-in and let our advanced charging technology automatically monitor and maintain your battery. Use our advanced Repair Mode to reverse the damaging effects when batteries are left uncharged for extended periods to improve battery performance and longevity. An optimized charge mode for safely charging and maintaining 12-volt lithium-ion batteries, and recommended with use on lithium batteries with an internal BMS. One of the most advanced and safest battery chargers, including spark-proof technology, and reverse polarity protection, plus backed by our 5-year warranty and endless accessories.