https://www.lslithiumbattery.com/products/48v-forklift-lithium-battery.html Smart FLT Series:48V forklift battery 51.2V300Ah,51.2V412Ah,51.2V460Ah and 51.2V554Ah Remote&Onsite Product Support GPS&GPRS function Charger communication commissioning Charge and discharge connector adaption Interactive integrated Display with voice, buzz and switch buttonAll Rights Reserved