The Shimano EC-DN100 Di2 Battery Charger is a compact device for the avid cyclist who relies on Shimano's wireless Di2 batteries to power their rides. This charger is crafted specifically for the Shimano BT-DN320 wireless Di2 batteries, ensuring a reliable and efficient top-up every time. Included is a charging cord, providing convenient out-of-the-box use. Whether you're preparing for a daily commute or gearing up for a long-distance journey, this charger is an essential part of your bike electronics setup. It ensures your battery is always ready, so you can focus on the road ahead and enjoy the ride.