The amount of electricity that an electric bike uses varies depending on several factors, such as the battery capacity, the motor power, the terrain, and the weight of the rider. On average, an electric bike uses between 100 and 1000 watts of electricity, with most models using around 250 to 500 watts.

Battery Capacity

The battery capacity also affects the amount of electricity that an electric bike uses. A typical e-bike battery has a capacity of between 300 and 500 watt-hours (Wh), which means that it can power a 250-watt motor for 1 to 2 hours, depending on the terrain and the weight of the rider.

Motor Power

The motor power of an electric bike is one of the key factors that affect the amount of electricity it uses. Generally speaking, the more powerful the motor, the more electricity it will consume.

For example, a 250-watt motor, which is the maximum legal limit in many countries, will use less electricity than a 500-watt or 750-watt motor. This means that an e-bike with a more powerful motor may have a shorter battery life and require more frequent charging.

Expected Terrain

The terrain can have a significant impact on the amount of electricity an electric bike uses.

Riding uphill requires more effort and energy, both for the rider and the electric motor, than riding downhill. When riding uphill, the motor needs to work harder to maintain speed, which can drain the battery more quickly. Conversely, when riding downhill, the motor may not need to provide any assistance at all, allowing the battery to recharge as the bike rolls downhill.

Riding on rough or uneven surfaces, such as gravel, mud, or sand, can also require more energy from the electric motor, as it needs to work harder to maintain traction and stability. This can cause the battery to drain more quickly than it would on a smooth road or path.

Wind Conditions

Riding into a headwind can also require more energy from the electric motor, as it needs to work harder to maintain speed. This can drain the battery more quickly than riding with a tailwind or no wind at all.

Temperature

Cold temperatures can also affect the amount of electricity an electric bike uses, as the battery may not perform as well in colder temperatures. This can cause the motor to work harder to maintain speed, draining the battery more quickly.

Weight on the Bike

Both a heavier rider and heavier cargo loads will require more charging an therefore more electricity.  

E-Bikes are a Very Energy Efficient Form of Transportation

Overall, the amount of electricity that an electric bike uses depends on several factors, but it's generally a highly efficient and eco-friendly mode of transportation.