Spare Battery for Commuter Series Bikes
Spare batteries for the Commuter Series bikes are both forward and backward compatible in this collection. If you own a CS-240 or CS-260, the new batteries for the TC3 model are compatible for your bike. Upgrade your existing battery from 7.8 aH to 9.6 aH for longer range. The two battery options are identical in size and fit all Commuter Series models.