Features1Plastic battery box for electric bike 36V/48V large capacity 18650 holder case. 2Aluminum alloy and plastic material, sturdy and durable. 3Designed with a charging socket and an output port. 4Can be used to install an lithium battery for your electric vehicle. 5Ideal for electric bicycles and folding electric vehicles.SpecificationSpecifications:Material: Aluminum alloyCompatible with battery type: 36/48V Size: 370x110x76mmNotes: 1. Manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.Package List1 xBox1 x Top Lid1 x Slide1 x Bottom Plate4 x Screws (2 long and 2 short)