What do an e-Bike’s battery specs really mean?

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What do an e-Bike’s battery specs really mean?

When you’re choosing the right e-bike for you, there are a lot of technical numbers out there, especially concerning the batteries. Below, you’ll find definitions of the key terms you need to know about e-bike battery specs. At the bottom, we put it all together so you know why those numbers matter so you know how to choose the right e-bike battery…


An Amp is a measure of electrical current, or rate of flow. Basically, it’s how much power is moving through the system.


Think of a Volt as the “force” pushing Amps through the system. The higher the voltage, the more energy can be moved, or the faster it can be moved. So, a higher voltage system can send more energy through the circuits to the motor. 36V batteries are common, but some high performance bikes get 48V batteries. All else being equal, a higher Voltage system will deliver more torque for quicker starts, but it will drain your battery faster.

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