# Question: How much power does an e bike need?

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Just pedaling along at a typical cruising speed for a non-sporting rider (about 9 mph) takes about 30 watts, about the same energy as normal walking. Go up to 20 mph, and thus rapidly increasing aerodynamic loads, and 220 watts is needed—more than most non-athletes can sustain.

## Is 250W enough for electric bike UK?

With 250 W of power, you’re basically looking at a flat land cruising e-bike. … Heavier riders can sometimes still find 250 W mid-drives sufficient for small hills, especially if they want to add some pedal input, but major hills are still going to seriously degrade the performance of a 250 W ebike with a heavy rider.

## Is 250 watts enough for an ebike?

But here’s a short answer that I’m sure will ruffle some feathers: Yes, we’ve found that 250W is often plenty powerful for many e-bikes. There’s some caveats to that statement, but by and large a 250W motor is enough to give a rider’s pedaling a nice assist.

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## Is 1000W enough for ebike?

Now if you are willing to ride on irregular terrains, you will need around 400W of power. Suppose you weigh around 150-170lbs, you will need a ~500W electric bike (36V/12A) such as Ecotric fat-tire eBike on a flat surface. If you love irregular terrains or need more speed then you must use a 750W – 1000W electric bike.

## Is 350 watts enough for ebike?

Electric bicycles (ebikes) are legally limited to using motors having an output of 750 watts in the USA. … In the USA, ebikes are limited by federal law to a maximum of 20 mph, yet ebike kit motors having 350 watt motors are considered small.

## What is the difference between a 250W and 350W motor?

Well, they are programmed slightly different. The 350w speed pedelec has an assisted speed to 45 km/h and the 250w motor is assisted to 25 km/h. Everything else is exactly the same.

So exactly what is the difference you may ask?

Bosch Performance 350w Bosch Performance CX 250w
Assistance 275% 300%
Torque 60Nm 75Nm

## How fast does a 1000W electric bike go?

A 1000-watt electric bike will take you at speeds of up to roughly 35mph, varying depending on factors such as weight, terrain, and personal preference.

## Is a 500w ebike enough?

Generally speaking, for the average person an efficiently designed e-bike provides more than enough power at 500w or less. In fact, increasing the watts on your e-bike comes with disadvantages.

## How fast does a 500w e-bike go?

How Fast Does a 500w Electric Bike Go? A 500w electric bike goes approximately 25 mph (40.23 km/h) on flat ground.

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## How fast is 350 watts in mph?

The 350W and 500W versions are rated as Class 3, meaning they could achieve a top speed of 28 mph.

## How far will a 1000W ebike go?

These batteries typically allow for anywhere from 22 to 60 miles on a single charge.

## How fast will a 48v 1000W ebike go?

Top speed is 30 MPH with the wind resistance that the bike seat & trailer generate.

## What is the difference between 500W and 1000W ebike?

Most 500W hub motors are geared, while 1000W (and higher) tend to be direct drive (DD). The geared hub motor loses some efficiency to the gearing inside, but it gains that back by being able to spin the electric motor faster (in general, motors designed to spin faster [to a point] are more efficient).

## How many watts is 20 mph?

Cycling Power

Speed – kmh (mph) Power (watts) Increase in power needed to increase speed by 2.5kmh
20 (12.5) 75
22.5 (14) 95 20
25 (15.6) 120 25
27.5 (17.2) 148 28

## How powerful is a 750 watt ebike?

The difference in the top speed is somewhat minimal. 750W eBikes on average can travel at speeds of about 20 MPH while 1000W eBikes can travel at speeds of about 30 MPH. … eBikes with a more powerful motor consume the battery a lot faster which can result in less range.

## Can I use a 48v battery with a 36v motor?

it won’t work unless you regulate the battery to 36v. the controller might be smart enough to regulate, they usually aren’t and will catch fire. if you use a 48v controller on the 36v motor, it will run hot and live short.

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