The Basil Battery Cover is a protective sleeve for the frame battery of an e-bike. The cover is suitable for both women's and men's bicycles. Made from neoprene material, it 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 get 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 sleeve is not only ideal for extreme cold but also prevents damage, scratches, and unnecessary shocks to the frame battery. The cover is equipped with all necessary openings, allowing for easy operation of the battery and straightforward reading of the remaining battery life.