Specifications Type: Lithium Battery Voltage: 36v Capacity: < 10Ah Model Number: UPP-S002-2+USB Nominal Capacity (Ah): 9AH Size: 108*340 mm Weight: 3.1KG Cycle life: 80% capacity after 800 cycles Fit Motor Power: 36v 250w 500w Cell: 18650 2200mah brand BMS: 20Amp continuous 50±10Amp Charger: 42V 2A/3A Certification: CE/ROSH/UL/MSDS/UN38.3 Packaging & Delivery Packaging Details: The package is suitable for shipped by air or sea. Delivery Detail: 3-7 days after confirm payment