1.Durable and rigid frame construction ensure the stackers to handle heavy loads. 2.Hourmeter and BDI(Battery Discharge Indicator) on time informs the operator of recharge requirements. 3.A wide choice of battery capacity and size enable the truck to be correctly configurated to match application needs. 4.Limit switch mounted on top of mast to precisely set the max. lifting height , avoid any risk of lifting motor overload. 5.Safe Grid covered on the mast to protect operator from any injured risk.