Description: A secondary battery for extending your SN100/New-SJ26 range. Premium lithium battery cells Note: Does not come with a charger. The original charger is suitable for all 5 capacities of batteries. The customization cycle for the 17.5AH and 20AH batteries is about 2 months , and the shipping time is approximately 15 business days . If you prefer not to wait, we kindly suggest not placing an order. Please consider carefully before purchasing. Use for VTUVIA New SN100 and New-SJ26, the old SJ26 ( purchased before 2022 ) and old SN100 ( purchased before 2022 ) can't be used. If you don't know when you bought it, please send us a photo of the whole ebike, the battery barcode, and the whole battery for reference. All accessories are non-refundable and non-exchangeable. Click Here for the Battery Maintenance Guide.