Product Name: Un38.3 Hailong Plus 65PCS 18650 Cells 10s6p 13s5p 36V 48V Downtube Electric Bike Battery Model NO.: E001 Electrolyte: Li-ion Usage: Electric Bike Battery Standard Voltage: 36/48V Rated Capacity: 21 - 30ah Accessories Type: Chargers Size: Large Discharge Rate: High Discharge Rate Rechargeable: Chargeable Connection Mode: Series Connection Type: Lithium-Ion Battery Pack Material: ABS+PC Color: Black Transport Package: International Standard Shipping Carton Origin: China HS Code: 8507600090 Product Description UN38.3 Hailong Plus 65pcs 18650 cells 10S6P 13S5P 36V 48V Downtube Electric Bike BatteryComply with FCC RoHS and CE security testing standards. Worry-free 12-MonthPARAMTERSMax CellsConfigurationCapacity2.2Ah2.5Ah2.6Ah2.9Ah3.2Ah3.5Ah6510S6P36V 13.2Ah36V 15Ah36V 15.6Ah36V 17.4Ah36V 19.2Ah36V 21Ah13S5P48V 11Ah48V 12.5Ah48V 13Ah48V 14.5Ah48V 16Ah48V 17.5AhAdvantage1. Factory price,Short lead time.2. High quality products, CE, FCC, RoHs, PSE, UL approval.3. With short-circuit production function, safe and reliable.4. Each battery has been tested by OQC to match OEM products.5.Good after-sale service, long product warranty and continual technique support.FAQQ: Can I get the samples?A: We can provide samples and return the samples cost in bulk order.Q: Do you accept ODM&OEM service busienss?A: Yes,we supply OEM&ODM service to customers requirement.Q: When it will delivery after payment?A: Samples will take about 3-5 days. bulk order about 10-20 days.Q: What warranty service do you offer?A: We take every careful step for our customers, provide a satisfactory and strong backup for their sales and promotion. We offer one year warranty for our power tool battery / charger ,ac adapters/chargers and laptop batteries.Q: How can I pay?A: We can accept pay by bank transfer or PayPal.Q:How do you ensure high quality of your products?A:Strict QC with 6 steps testing from raw material purchase to finished product. All export batteries has been tested to ensure the quality.Q. How do you deliver your products?A. We work with DHL, UPS, FEDEX, TNT and China Post Office internationally. Also we have MSDS document for airlines and shipping companies. We suggest to deliver samples and small quantity orders via DHL, UPS, FEDEX, TNT and China Post Office and big quantity orders via shipping by the sea.Q:What's the warranty ?A: The warranty is one year. If the product doesn't work, you need to send us the pictures or videoes to us for checking, if it is our responsible,we will send you a new product.PACKING & DELIVERY