Originally Posted by Rad45

No. Do not buy a second battery unless you need two, such as long trips. Batteries age even if they are not being used. After several years when your first battery is shot, your second battery will be not far behind. If you only need one, buy a second one several years later when the first has lost sufficient range. If you have a specific battery box and the manufacturer is out of business, there are several companies that will take your battery apart and replace the cells. Just like new. I bought a new battery from Bicycle Motor Works as they were the only one I found that made one (not custom) in the size I needed to fit inside my box. I believe Electroride will make custom sizes.