When Addmotor unveiled its E-53 City Pro electric bike recently, it showed off one of the biggest batteries in the industry: 48V and 20Ah of capacity for a nearly 1 kWh of energy between the rider’s knees. But the bike wasn’t only about big batteries and long range. It also included a number of commuter-worthy features and components designed to turn the Addmotor E-53 City Pro electric bike into an ideal everyday runabout electric bike. More…