All-New Next-Generation Battery Charger - Now Smaller, Lighter, And With Improved Features To Increase Battery Life Engineered To Be Securely Mounted Nearby The Battery With Its Rugged Snap-Fit Mounting Bracket And Effortlessly Installs Into Most Materials With Truss-Head Self-Tapping Screws Integrated Thermal Sensor To Maximize Battery Life And Automatically Compensates Charging For Both Cold And Hot Environments Enjoy Countless Hours Of Safe Charging Without Any Risk Of Overcharging Your Batteries, Plus Additional Safety Like Spark-Proof Connections, And Reverse Polarity Protection Perfect Battery Maintainer For Daily Battery Maintenance Or Long-Term Storage Of Cars, Boats, Trucks, RVs, And Equipment, Plus Suitable For Charging ATVs, Wave Runners, Lawn Mowers, And More Limited 3 Year Warranty Designed For 12 Volt Lead-Acid Batteries, With Most Flooded, Gel, AGM, And Maintenance-Free, As Well As Automotive, Marine, RV, And Deep-Cycle Batteries