Granite Digital Battery Saver 2365-48 48V 50W Quick Charger and Auto Pulse MaintainerBrand: Granite Digital Features: Auto Pulse Extends Battery Life Micro Processor Controlled Fully Automatic Operation Improves Battery With Use Restores Weak Batteries Publisher: Save A Battery Details: The Save A Battery 48 Volt Battery Charger and Maintainer is one of the most versatile battery charging devices on the market. It not only charges batteries quickly, but also maintains and conditions them. This compact unit is highly portable, and the