The BT-E8035 battery is tailor - made for SHIMANO's STEPS system. It seamlessly integrates into the down tube, flaunting a sleek design. With a 504 Wh capacity, it can power your adventures. This battery charges rapidly and maintains its maximum capacity for a longer time throughout its life. It shares the same appearance as the BT - E8036, supports a sleek frame design, and uses the same mount as the current BT - E8035. It has a high - performance charging cycle. Its voltage is 36 V, and it has a capacity of 17.5 (Ah) / 504 (Wh). You can get an 80% charge in just 2.5 hours and a full charge in 4 hours when using the EC - E8004 charger. It's durable, retaining over 60% of its capacity even after 1000 charges.

Using your Shimano BT - E8035 - L battery is easy. First, make sure it's properly mounted on the down tube using the provided mount. When charging, use the EC - E8004 charger for the best charging times. You can expect an 80% charge in 2.5 hours and a full charge in 4 hours. Keep in mind that extreme temperatures can affect the battery's performance, so try to store it in a moderate environment. To maintain its longevity, avoid completely draining the battery frequently. Regularly check the connections to ensure they're clean and tight. If you notice any issues with charging or performance, it might be time to have it checked by a professional.