Charger description: Brand:LiitoKala Model:43.8V2A(36V2A) Dimensions: 110*48*28mm Battery type:LiFePO4    battery Working power: 100-240Vac, 50 ~ 60Hz Suitable for Battery Voltage:12S 43.8V Output voltage:43.8V Output current: 2A Use:  LiFePO4 Charging mode: constant current - Constant Voltage - trickle (floating charge) three-stage intelligent charging Charging efficiency: ≥85% (full load) Working temperature: -5 ° ~ +40 ° Storage temperature: -40 ° ~ +70 ° AC power cord, DC connector can be customized. Features: 1. Three-stage charging work mode - constant current, constant voltage, trickle (or float) 2. Safety design, short circuit protection, overcurrent, overvoltage automatic monitoring of current, conversion charging mode 3. High-precision current and voltage lock, to ensure fully charged, no overcharge 4. Overcurrent, overvoltage, short circuit protection, safe and reliable 5. Conversion efficiency> 90%, small size. Light weight. Efficient environmental protection   Package List:   1 * LiitoKala 43.8V 2A  12S  LiFePO4 Battery Charger 1 * Charging Cable   LED Light: RED ---Charging Green---Full charged, Stop automatically and turn green when the battery is full charged.   Tips: We offer four charging port as showed on picture.You can choose which one you want when place order.