Battery trickle charger and maintainer with multiple protections ensures the safety of charging perfectly for maintaining batteries over months in this winter or holidays. Avoid battery failure in advance. No worries! Perfect household tool and present for daily use! Smart control, temp compensation in hot or cold climates, reverse protection, cooling system, overcurrent, fireproof material, overcharge, short circuit. Features: ?QUICK BATTERY CHARGER?12 volt 6-Amp quick car battery charger, can charge or repair all 12-volt lead-acid automotive, marine and deep-cycle batteries including AGM, GEL, SLA, Flooded in cars, trucks, SUVs, motorcycles, lawn mowers, boats, etc. Perfect household tool and present for daily use! NEW REPLACEMENT AVAILABLE FOR ANY QUALITY ISSUE WITHIN 2 YEARS. ?HIGH-EFFICIENCY PULSE REPAIR?Automatically detects battery sulfation and acid stratification, take newest pulse repair function to restore lost battery performance for stronger engine starts and extended battery life. Note: can not activate or charging totally dead batteries. ?VISUALIZED CHARGING? Large LCD display the charging and battery status; charge voltage and current, inside temperature, charge percentage, summer mode, winter mode, etc. More convenient to use. ?PLUG AND PLAY? no complicated steps, just plug and charge, stay at home and charge your batteries on your own. All-in-one battery solution as battery charger, battery maintainer, trickle charger, plus battery desulfator. The must-have tool for your garage ?FLOAT/TRICKLE CHARGE? Switch to float/trickle charge mode to maintain batteries over the winter: 1, Choosing corresponding modes(STD/AGM,GEL/WET/MOTORCYCLE) to fully charge the battery, screen display "FUL" 2, Then switch to "MOTORCYCLE" mode will auto-enter trickle charging mode to keep batteries stay charged for a long time. Package Includes: 1 x Battery Charger/Maintainer Listing and template services provided by inkFrog