Application: ninebot mini pro 800w Components: 15s2p battery Type: li-ion Brand name: hani Size: 162*305*40mm Voltage: 54v Capacity: 4.4ah Weight: 2kg Certification: ce/rosh/ul/msds/un38.3 Protection: built-in smart bms / pcm Cycle life: 2000 times Warranty: 12 months Model: ha015 Place of origin: guangdong