The Basil Battery Cover is a protective cover for the frame battery of an e-bike. It is suitable for both women's and men's bicycles. Made from neoprene material, the battery cover is designed for the Bosch Active battery and the Performance Line frame battery. It provides optimal protection for your bike battery. This cover offers thermal protection, preventing unnecessary cold from affecting the battery, so you won't be stranded due to battery issues while on the go. By retaining the battery's heat, it also improves the performance of your e-bike. The protective cover is not only ideal for extreme cold but also prevents damage, scratches, and unnecessary jolts to the frame battery. It is equipped with all necessary openings, allowing for easy operation of the battery and straightforward reading of the remaining battery life.