Specifications Type: Lithium Battery Voltage: 24v Capacity: 10 - 20Ah Model Number: UPP-S002-2+USB Nominal Capacity (Ah): 20AH Size: 108*340 mm Weight: 4.3KG Cycle life 80% capacity after 800 cycles Fit Motor Power: 24v 200w 250w Cell: Panasonic B 3400MAH brand BMS: 15Amp continuous 40±10Amp Charger: 29.4V 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