NC215 15-Amp Battery Charger, Trickle Charger Car Battery Charger 12V 24V LiFePO4 Lead Acid Portable 9-Stage Smart Battery Maintainer w/Temp Compensation for Car Truck Lawn Mower Boat Marine

【UPGRADED 9-STAGE BATTERY TRICKLE CHARGER】The first battery trickle charger that adopts 9-stage charging process, much safer and more efficient also can extend battery's cycle life. Specially designed trickle charge mode(TKL) will automatically enters trickle/float charging mode after fully charged, keep maintaining your batteries during this winter and holidays, leave batteries for months and stay charged when you come back. 【LARGE COLOR SCREEN VISUALIZED CHARGING】 Extra large color LED screen not only clear to see under the sunlight but also displays the charging and battery status; charge voltage and current, inside temperature(℉/°C), charge percentage, summer mode, winter mode, etc. The lengthened 6.7ft charging cord(from the clips to ac plug) is more convenient to use. 【OVERALL CHARGING PROTECTIONS】Smart control, temp compensation in hot climates and under-charging in cold climates, reverse protection, cooling system, overcurrent, fireproof material, overvoltage, short circuit. Battery trickle charger with multiple protection ensure the safety charging at anytime anywhere. No worries! 【HIGH-EFFICIENCY PULSE REPAIR EXTEND BATTERY CYCLE LIFE】battery charger automotive detects battery sulfation and acid stratification, takes the newest pulse repair function to restore lost battery performance for stronger engine starts and extend battery cycle TIME . Try to repair batteries for several hours then fully charge it you will find the difference! NOTE: can not activate or charge totally dead batteries.