Replacement Panasonic 48 Volt 17 Ah LiPo4 battery pack for the Rocky Road & Boulderado 48 Volt Fat Tire Electric Mountain Bikes.
If your bike originally was purchased with a 10 Ah battery, you may purchase this pack for increased battery life to allow for more miles per battery charge. No additional modifications are needed to upgrade your battery and you can use your original battery charger.