Protective cover for electric bike battery, universal standard electric bike battery cover, protects against dirt and cold, for batteries from 30 cm to 38 cm

【Premium Material】The battery cover is made of neoprene with a double-sided fleece design and a thickness of 4.5 mm. It offers strong waterproof, antifreeze, sunproof, and cold-resistant properties, effectively protecting your battery from low temperatures and maintaining efficient battery performance.
【Universal Size】The battery cover is 54 cm (21 inches) long, suitable for frame circumferences of 30-38 cm (11.8-15 inches), offering great versatility to fit most battery frames. (Before purchasing, please measure your frame and battery length.)
【Extended Battery Life】If the battery is left in low temperatures for an extended period, its lifespan will be significantly reduced. This bicycle battery protector provides complete battery protection in harsh environments (blizzards, rain, intense cold) to prevent excessive power consumption and extend battery life. [Dustproof and Scratch-Resistant] Made of elastic material with a Velcro design, our battery cover can be freely adjusted to fit your battery frame. With a perfect seal and fit, it effectively prevents scratches, dirt, and dust. It is easy to clean with low-temperature water. (Note: The e-bike cover is not machine washable!) [Warm Reminder] During charging, the battery temperature will increase. For safety reasons, please remove the battery cover before charging to prevent the battery temperature from overheating!