Amp v watt full#
Since Volts and Amps are varying throughout the duration of any ride, wattage figures will swing widely which makes the measurement of wattage quite random unless you are trying to determine the maximum power transferred to the wheel, which would logically be done at full charge (maximum Volts) and at peak amperage (maximum Amps).
Next, are you cruising on flat land at top speed or are you starting from a stop with a full load at the bottom of a hill? Both conditions will produce a lower or higher number of amps respectively, and will have a massive impact on watts in the V x A = W equation. Remember how a full battery has more voltage than an empty battery? We’ll that means that the first factor of the V x A = W equation will be changing over the duration of your ride. It is important to note that the wattage of an e-bike battery does not necessarily determine the performance of the e-bike as the wattage is always changing. For example, if your e-bike battery has a voltage of 36V and an amperage of 10A, the wattage of the battery would be 360W. To determine the wattage of your e-bike battery, simply multiply the voltage by the amperage. The wattage of an e-bike battery is determined by the voltage and amperage of the battery. It is a measure of the rate at which electric power is being used. Wattage, measured in watts (W), is the rate at which energy is transferred or consumed. Keep this concept in mind for the end of this blog post. Peak amps would be utilized when accelerating, carrying a heavy load or going up a hill. Peak amps is the maximum amount of electrify the system can handle, but only for a short amount of time. Rated amps is how much electrify can flow from the battery, through the controller and into the motor and just keep on going, hypothetically forever. An ebike will have two Amp figures that are important to note - rated amps and peak amps. If the water tower is full, how fast can you move all that water through the tube? This is the measurement of Amps and it affects how well you deliver the energy stored in the battery to the motor. Thing of amperage as the width of the tube bringing the water to the ground. The higher the amperage, the more power the battery can deliver to the motor. It is a measure of the amount of electric charge passing a point in a circuit per unit of time. Now let’s talk about amperage, measured in amperes (A), is the rate at which electric current flows through a conductor. For example, a 52v battery will have 58v when fully charged and 46v when fully discharged, 52v being the midpoint. Voltage of a battery is classified by it's nominal voltage rating, which is the midpoint between the maximum voltage and the minimum voltage of a battery. Operating outside of this voltage range can damage a battery. That is, the maximum a battery can be charged, and minimum charge. Any battery, both individual cell or a battery pack of multiple cells, will have a voltage range. The last thing to note about voltage is that each battery has an operational voltage range.
In electric motor terms, higher voltage will mean more power and speed than lower voltage. Now imagine a waterwheel at the end of that tube… higher water pressure is going to turn that water wheel faster than if the water pressure were low. However, if the water tower was almost empty, the lesser overall weight of the water would mean less water pressure in the tube. The weight of that water is putting a lot of pressure to flow water through that tube that brings the water to the ground. Think of a water tower that is full of water. The higher the voltage, the more power the battery can deliver to the motor which will affect both acceleration and top speed.Īnother way to think of voltage is in terms of potential energy. Voltage, measured in volts (V), is essentially the "pressure" that drives the electric current through a circuit. Let’s discuss what V x A = W means for power output. To get the most out of your e-bike, it's important to understand the concepts of voltage, amperage, and wattage is fundamental to the kind of performance you can expect from your ebike. The most important component an e-bike is the battery, which powers the electric motor.
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