Improve bicycle performance: Similar to smartphones, lithium batteries may experience reduced performance in cold temperatures. To help maintain power in cold conditions, a protective cover made of 4.5 mm thick insulating neoprene offers an effective solution. Universal fit: The cover is designed to fit most leading brands of frame-mounted batteries. Suitable for various e-bike models, the protective battery cover stays securely in place and does not slide during riding. Fits frame circumferences of 2832 cm. All-round protection: Helps protect against scratches, stone chips, and dirt. The neoprene cover provides durable protection and is easy to clean with cool water. Elegant design: Made with elastic materials for a snug, tailored fit that complements the bike frame. The sleek black finish enhances the appearance of your bicycle. Important note: We recommend using the cover only when outdoor temperatures are above 15C. Remove the cover during charging to prevent overheating. Product name: Electric Bicycle Lithium Battery Protector Color: Black Material: Neoprene Package Contents: 1 x Lithium Battery Protective Cover Note: Other items not included. Slight color variations may occur due to lighting and display differences. Measurement error allowance: +/- 13 cm.