This Dorado 21700 Plus Max Retention E-bike Battery is one of the most reliable and powerful 48V lithium batteries available. With a capacity of 21-30Ah and a power rating of 1500W/1000W, it is the perfect choice for any electric bike. It is also certified CE, ensuring that it is safe and reliable. Get your long-lasting and powerful Dorado 21700 Plus Max Retention E-bike Battery today and enjoy a smooth and comfortable ride.