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Ebike Battery Voltage Chart

Written by John Tomac

E-bike batteries are an essential part of electric bicycles, supplying the power required to move the bike. The voltage of an e-bike battery is an important factor that can impact its range and performance. A higher voltage battery typically has a longer range and can provide more power to the motor, while a lower voltage battery may have a shorter range and struggle to power the motor effectively.

Aside from affecting range and power, the voltage of an e-bike battery can also impact the speed of the bike. A higher voltage battery may allow the bike to reach higher speeds, while a lower voltage battery may result in slower speeds. This is because the motor of an e-bike relies on the voltage of the battery to determine how much power it can draw. Therefore, if you are looking for a fast e-bike, you may want to consider a battery with a higher voltage.

E-bike batteries can be lithium-ion or lead-acid, with lithium-ion being the more popular choice due to their lighter weight and higher energy density. However, lead-acid batteries are often more affordable and have a longer lifespan. The type of battery you choose will also impact the weight of your e-bike, as well as the cost and maintenance requirements.

The voltage of an e-bike battery is an important factor to consider when choosing an electric bicycle. A higher voltage battery can provide a longer range and more power, but may also come with a higher price tag. It is important to weigh the benefits and drawbacks of different voltage options and choose the one that best fits your needs and budget.

What is an Ebike Battery Voltage?

The voltage of an e-bike battery is a measure of the electrical potential difference between the positive and negative terminals of the battery. It is usually expressed in volts (V) and determines the amount of power that the battery can provide to the motor of the e-bike. The voltage of an e-bike battery can range from as low as 24V to as high as 72V and plays a significant role in the range and performance of the electric bicycle. A higher voltage battery will generally have a longer range and provide more power to the motor, while a lower voltage battery may have a shorter range and struggle to power the motor effectively.

How do I know what voltage my eBike battery is?

There are a few ways to determine the voltage of your e-bike battery:

  1. Check the manufacturer’s specifications: The voltage of your e-bike battery should be listed in the manufacturer’s specifications or documentation that came with the bike.
  2. Check the battery itself: The voltage of the battery may be printed on the battery itself or on the label attached to it.
  3. Check the battery charger: The voltage of the battery is often also listed on the battery charger, as the charger is designed to work with a specific voltage range.
  4. Measure the voltage with a multimeter: If you have a multimeter, you can measure the voltage of the battery by connecting the multimeter to the battery terminals.

It is important to know the voltage of your e-bike battery as it can impact the range and performance of the bike.

Voltage Chart for different types of ebike batteries

The voltage of an e-bike battery is an important factor that determines its range and performance. The voltage of an e-bike battery is usually expressed in volts (V) and can range from as low as 24V to as high as 72V. Here is a rough guide to the voltage range of different types of e-bike batteries:

  • 24V e-bike batteries: These are low voltage batteries that are typically used in entry-level or children’s electric bikes. They have a shorter range and may struggle to power the motor effectively, but they are often more affordable and have a longer lifespan.
  • 36V e-bike batteries: These are mid-range voltage batteries that are commonly used in mid-level electric bikes. They have a longer range and can provide more power to the motor than 24V batteries, but they may not be suitable for high-performance or high-speed e-bikes.
  • 48V e-bike batteries: These are high voltage batteries that are often used in high-performance or high-speed electric bikes. They have a longer range and can provide more power to the motor than lower voltage batteries, but they may also be more expensive and have a shorter lifespan.
  • 60V and 72V e-bike batteries: These are very high voltage batteries that are typically used in high-performance or off-road electric bikes. They have a very long range and can provide a lot of power to the motor, but they are also the most expensive and have the shortest lifespan of all the options.

It is important to choose the right voltage for your e-bike battery to ensure that it meets your performance and range needs. A higher voltage battery may be more expensive, but it may also provide a longer range and more power to the motor. On the other hand, a lower voltage battery may be more affordable, but it may have a shorter range and struggle to power the motor effectively.

36 Volt Ebike Battery Chart

VoltageCapacity
42.0V100%
40.8V90%
39.6V80%
38.4V70%
37.2V60%
36.0V50%
34.8V40%
33.6V30%
32.4V20%
31.2V10%

Here is a table that shows some common characteristics of 36V e-bike batteries, including capacity:

CharacteristicDescription
Voltage36V
CapacityThe capacity of a 36V e-bike battery is typically measured in amp-hours (Ah). A higher capacity battery will generally have a longer range, but it may also be heavier and more expensive.
RangeThe range of a 36V e-bike battery will depend on various factors, including the capacity of the battery, the power of the motor, the terrain, and the rider’s weight.
PowerA 36V e-bike battery can provide a moderate amount of power to the motor, which may be suitable for mid-level electric bikes.
Compatibility36V e-bike batteries are compatible with electric bikes that are designed to use this voltage range.
Price36V e-bike batteries are generally more affordable than higher voltage options, but they may also have a shorter lifespan.
WeightThe weight of a 36V e-bike battery will depend on the capacity and type of the battery. Lithium-ion batteries are typically lighter than lead-acid batteries.
Maintenance demandsThe maintenance demands of a 36V e-bike battery will depend on the type of battery. Lead-acid batteries may require more frequent maintenance, such as topping up the electrolyte levels.

Keep in mind that this is just a rough guide, and the actual characteristics of a 36V e-bike battery may vary depending on the specific model and manufacturer.

48 Volt Ebike Battery Chart

48V Battery Chart

VoltageCapacity
54.6V100%
53.0V90%
51.5V80%
49.9V70%
48.4V60%
46.8V50%
45.2V40%
43.7V30%
42.1V20%
40.6V10%

CharacteristicDescription
Voltage48V
RangeThe range of a 48V e-bike battery will depend on various factors, including the capacity of the battery, the power of the motor, the terrain, and the rider’s weight.
PowerA 48V e-bike battery can provide a high level of power to the motor, which may be suitable for high-performance or high-speed electric bikes.
Compatibility48V e-bike batteries are compatible with electric bikes that are designed to use this voltage range.
Price48V e-bike batteries are generally more expensive than lower voltage options, but they may also have a longer lifespan.
WeightThe weight of a 48V e-bike battery will depend on the capacity and type of the battery. Lithium-ion batteries are typically lighter than lead-acid batteries.
Maintenance demandsThe maintenance demands of a 48V e-bike battery will depend on the type of battery. Lead-acid batteries may require more frequent maintenance, such as topping up the electrolyte levels.

60 & 72 Volt eBike Battery Voltage Chart

Here is a table that shows some common characteristics of 60V and 72V e-bike batteries:

CharacteristicDescription
Voltage60V or 72V
RangeThe range of a 60V or 72V e-bike battery will depend on various factors, including the capacity of the battery, the power of the motor, the terrain, and the rider’s weight.
PowerA 60V or 72V e-bike battery can provide a very high level of power to the motor, which may be suitable for high-performance or off-road electric bikes.
Compatibility60V and 72V e-bike batteries are compatible with electric bikes that are designed to use this voltage range.
Price60V and 72V e-bike batteries are generally the most expensive options, but they may also have the longest lifespan.
WeightThe weight of a 60V or 72V e-bike battery will depend on the capacity and type of the battery. Lithium-ion batteries are typically lighter than lead-acid batteries.
Maintenance demandsThe maintenance demands of a 60V or 72V e-bike battery will depend on the type of battery. Lead-acid batteries may require more frequent maintenance, such as topping up the electrolyte levels.

Keep in mind that this is just a rough guide, and the actual characteristics of a 60V or 72V e-bike battery may vary depending on the specific model and manufacturer.

24 volt ebike Battery Voltage Chart

VoltageCapacity
25.77V100%
25.56V90%
25.31V80%
25.02V70%
24.81V60%
24.45V50%
24.21V40%
23.91V30%
23.61V20%
23.40V10%

Here is a table that shows some common characteristics of 24V e-bike batteries:

CharacteristicDescription
Voltage24V
RangeThe range of a 24V e-bike battery will depend on various factors, including the capacity of the battery, the power of the motor, the terrain, and the rider’s weight.
PowerA 24V e-bike battery can provide a low level of power to the motor, which may be suitable for entry-level or children’s electric bikes.
Compatibility24V e-bike batteries are compatible with electric bikes that are designed to use this voltage range.
Price24V e-bike batteries are generally the most affordable options, but they may also have the shortest lifespan.
WeightThe weight of a 24V e-bike battery will depend on the capacity and type of the battery. Lithium-ion batteries are typically lighter than lead-acid batteries.
Maintenance demandsThe maintenance demands of a 24V e-bike battery will depend on the type of battery. Lead-acid batteries may require more frequent maintenance, such as topping up the electrolyte levels.

Benefits of a higher Ebike Battery Voltage

There are several benefits to using a higher voltage battery for your e-bike:

  1. Longer range: A higher voltage battery will generally have a longer range, as it can store more energy and provide more power to the motor. This can be particularly useful if you plan to use your e-bike for long distance rides or if you live in an area with hilly terrain.
  2. More power: A higher voltage battery can provide more power to the motor, which can be useful for high-performance or high-speed electric bikes. This can allow you to reach higher speeds and climb steep hills more easily.
  3. Better performance: A higher voltage battery may also result in better overall performance of the e-bike, as it can supply the motor with more power when needed. This can make the ride smoother and more enjoyable.
  4. Longer lifespan: Some higher voltage batteries may also have a longer lifespan, as they are less prone to degradation due to overloading or overheating.

However, it is important to keep in mind that higher voltage batteries may also come with some drawbacks, such as a higher price tag and a heavier weight. It is important to weigh the benefits and drawbacks of different voltage options and choose the one that best fits your needs and budget.

How to Choose the Right Ebike Battery for Your Needs

Here are a few factors to consider when choosing the right e-bike battery:

  1. Voltage: The voltage of the battery is an important factor that determines its range and performance. A higher voltage battery will generally have a longer range and provide more power to the motor, but it may also be more expensive and have a shorter lifespan.
  2. Capacity: The capacity of the battery is typically measured in amp-hours (Ah) and determines how much energy the battery can store. A higher capacity battery will generally have a longer range, but it may also be heavier and more expensive.
  3. Compatibility: It is important to choose a battery that is compatible with your e-bike. This includes the voltage range and the size and shape of the battery. Using an incompatible battery could damage the bike or void the warranty.
  4. Weight: The weight of the battery can be an important factor, particularly if you plan to carry the battery with you on your rides. Lithium-ion batteries are typically lighter than lead-acid batteries, but they may also be more expensive.
  5. Maintenance demands: The maintenance demands of the battery can vary depending on the type of battery. Lead-acid batteries may require more frequent maintenance, such as topping up the electrolyte levels, while lithium-ion batteries are generally low maintenance.

What is the lifespan of an e-bike battery?

The lifespan of an e-bike battery can vary depending on a number of factors, including the type of battery, the quality of the battery, and how it is used and maintained.

Lead-acid batteries, which are the most common type of e-bike battery, generally have a lifespan of around 500 to 800 charge cycles. This can translate to 1 to 3 years of use, depending on how frequently the battery is charged and discharged.

Lithium-ion batteries, which are increasingly popular in e-bikes, have a longer lifespan than lead-acid batteries. They can last for 1000 to 2000 charge cycles, or 3 to 5 years of use. However, lithium-ion batteries are also generally more expensive than lead-acid batteries.

It is important to note that the lifespan of an e-bike battery can be affected by how it is used and maintained. For example, charging the battery to 100% or letting it discharge completely can shorten its lifespan. It is generally recommended to charge the battery to around 50% to 70% to extend its lifespan.

How to charge your e-bike battery to make it last longer?

Here are a few tips to help extend the lifespan of your e-bike battery:

  1. Avoid fully discharging the battery: It is generally recommended to avoid discharging the battery completely, as this can shorten its lifespan. If possible, try to keep the battery charged to at least 50% to 70%.
  2. Charge the battery regularly: It is a good idea to charge the battery after every ride, or at least once a week if the bike is not used frequently. This helps to prevent the battery from fully discharging and keeps it in good condition.
  3. Avoid extreme temperatures: Exposure to extreme temperatures can shorten the lifespan of an e-bike battery. It is best to store the battery in a cool, dry place and avoid leaving it in direct sunlight or in a freezing car trunk.
  4. Use a quality charger: A quality charger that is compatible with your e-bike battery can help extend its lifespan. Make sure to use the charger that was supplied with the battery or a charger that is specifically designed for the battery.
  5. Follow the manufacturer’s instructions: It is important to follow the manufacturer’s instructions for charging and maintaining the battery to ensure that it lasts as long as possible. This includes using the correct charging voltage and avoiding overcharging the battery.

How to Check LiFePO4 Battery Capacity

Lithium iron phosphate (LiFePO4) batteries are a type of lithium-ion battery that are commonly used in e-bikes. Here are a few ways to check the capacity of a LiFePO4 battery:

  1. Use a battery management system (BMS): Many LiFePO4 batteries come with a built-in battery management system (BMS) that can provide information about the battery’s capacity. The BMS may display the capacity in percentage or in amp-hours (Ah).
  2. Use a multimeter: You can use a multimeter to measure the voltage of the battery and calculate its capacity. To do this, you will need to discharge the battery to a specific point (such as 10% capacity) and measure the voltage. Then, you can use a voltage-capacity chart to estimate the capacity of the battery.
  3. Use a battery tester: There are specialized battery testers available that can provide more accurate information about the capacity of a LiFePO4 battery. These testers may be more expensive, but they can provide more detailed and accurate results.

Keep in mind that the capacity of a LiFePO4 battery can vary depending on how it is used and maintained. Overcharging, discharging too low, or exposing the battery to extreme temperatures can all affect its capacity.

Should I charge my ebike battery after every ride?

It is generally a good idea to charge your e-bike battery after every ride, or at least once a week if the bike is not used frequently. This helps to keep the battery charged and in good condition.

However, it is not necessary to charge the battery immediately after every ride. It is generally safe to let the battery discharge to around 50% to 70% before recharging it. This can help extend the lifespan of the battery by avoiding overcharging and reducing the number of charge cycles.

It is also important to use a quality charger that is compatible with your e-bike battery to avoid damaging the battery. Follow the manufacturer’s instructions for charging the battery to ensure that it is charged safely and efficiently.

Can I leave my ebike plugged in overnight?

It is generally safe to leave your e-bike battery plugged in overnight as long as you are using a quality charger that is compatible with the battery. Most e-bike batteries are designed to stop charging when they reach full capacity, so there is little risk of overcharging the battery.

However, it is generally a good idea to avoid leaving the battery plugged in for extended periods of time if you are not using the bike. This can help extend the lifespan of the battery by reducing the number of charge cycles.

It is also important to use a charger that is specifically designed for your e-bike battery to avoid damaging the battery. Follow the manufacturer’s instructions for charging the battery to ensure that it is charged safely and efficiently.

What does 36v 10Ah mean?

36V 10Ah refers to the voltage and capacity of an e-bike battery. The voltage of the battery is 36V, which indicates the potential difference between the two terminals of the battery. The capacity of the battery is 10Ah, which stands for 10 amp-hours. The capacity of a battery is a measure of how much energy it can store and is typically expressed in amp-hours or milliampere-hours (mAh).

In this case, a 36V 10Ah battery has a voltage of 36V and a capacity of 10Ah. This means that the battery is capable of providing a potential difference of 36V and can store and supply up to 10 amps of current for 1 hour, or a lesser amount of current for a longer period of time.

Keep in mind that the actual performance of the battery may vary depending on various factors, such as the type of battery, the quality of the battery, and how it is used and maintained.

How long will a 48V 10Ah battery last?

The actual lifespan of a 48V 10Ah battery will depend on various factors, such as the type of battery, the quality of the battery, and how it is used and maintained. It is not possible to provide a precise estimate without more information.

In general, a 48V 10Ah battery can provide a high level of power to the motor and has a relatively large capacity, which may be suitable for long distance rides or off-road electric bikes. However, the actual range of the battery will depend on various factors, such as the power of the motor, the terrain, and the rider’s weight.

It is also important to note that the capacity of a battery can degrade over time, particularly if the battery is not used and maintained properly. It is generally a good idea to charge the battery after every ride, or at least once a week if the bike is not used frequently. This can help extend the lifespan of the battery by avoiding overcharging and reducing the number of charge cycles.

Final Words

E-bike battery voltage is an important factor that determines the range and performance of the battery. A higher voltage battery will generally have a longer range and provide more power to the motor, but it may also be more expensive and have a shorter lifespan. On the other hand, a lower voltage battery may have a shorter range and less power, but it may also be more affordable and have a longer lifespan.

It is important to choose a battery that is suitable for your e-bike and your needs. This includes considering the voltage, capacity, compatibility, weight, and maintenance demands of the battery. By selecting the right battery, you can ensure that your e-bike has the range and performance you need and that the battery lasts as long as possible.

About the author

John Tomac

John Tomac is a retired American professional cyclist who is considered one of the greatest mountain bikers of all time.

He won numerous national and international titles during his career and also competed in road racing events such as the Tour de France and the Giro d'Italia.

Tomac now works as a coach and commentator and is also involved in charitable organizations that support disadvantaged youth and promote the sport of cycling.

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