Key Takeaways:

  • Electric bikes typically feature lithium battery packs, due to them being lightweight and efficient.
  • A battery’s voltage determines just how much power it gives to the motor, while the amperage determines how long it can maintain that power usage.
  • There are other types of batteries in use with electric bikes, such as those made from nickel-cadmium, but they have become rare.

Batteries and battery packs are the lifeblood of the best electric bikes. They store the energy that is then flowed to the pedal, for pedal-assist, or the throttle, for full automated velocity. Still, not many consumers know the basic facts about eBike battery packs.

Picking the Right Battery For Your Electric Bike

Most modern electric bikes come equipped with lithium battery packs, due to the fact that they are lightweight and relatively inexpensive to manufacture.

Voltages, Types, and Amps

Even though the design of a lithium battery pack is similar across different eBike makes and models, there can still be some key differences when it comes to how efficiently they operate and how much power they offer.

Voltages

Voltages, otherwise known as volts, represents the electrostatic connection between two conductors. One conductor is typically live, while the other is typically neutral. Electric bikes typically come with a 48-volt or 52-volt battery, with the latter offering improved power and overall performance. Generally speaking, having more volts means the battery uses less electricity to reach the same overall power output. This can result in longer battery life. Be sure to read the fine print before you purchase an electric bike or a related battery. Some budget models can have inefficient and lower-powered batteries.

Warning: Electric bikes typically come with a 48-volt or 52-volt battery, with the latter offering improved power and overall performance

Warning: Be sure to read the fine print before you purchase an electric bike or a related battery. Some budget models can have inefficient and lower-powered batteries

Amps

If a battery’s overall voltage designates the horsepower available, then the amps would be the storage container or the gas tank. The amps available with a particular make and model of electric bike battery decide just how long you will be able to travel before needing a recharge. Most batteries allow for anywhere from 22 to 60 miles of use per charge, though this metric is largely determined by the level of pedal assist or throttle you are using as you ride. Other factors can include the terrain type and any level of incline.

Tip: The amps available with a particular make and model of electric bike battery decide just how long you will be able to travel before needing a recharge

Warning: Most batteries allow for anywhere from 22 to 60 miles of use per charge, though this metric is largely determined by the level of pedal assist or throttle you are using as you ride

Battery Types

Though lithium batteries have become the defacto standard for the electric bike industry, you can still find bikes manufactured with different types of batteries. These include nickel-cadmium (NiCd) batteries, which last a long time but are expensive to produce. Lead-acid (SLA) batteries are cheap to manufacture but extremely heavy and inefficient during use. Nickel metal hybrid (NiMh) batteries are extremely tolerant to overcharging, but still, remain expensive to manufacture. In general, lithium batteries have become standard due to being lightweight and cheap to make.

Warning: Lead-acid (SLA) batteries are cheap to manufacture but extremely heavy and inefficient during use

Tip: In general, lithium batteries have become standard due to being lightweight and cheap to make

STAT:

Ideally, when storing the battery for a long period, ensure it has a charge between about 80% and 40% of a full charge. (Source)

Sources:

https://en.wikipedia.org/wiki/Lithium-ion_battery

https://en.wikipedia.org/wiki/Lead%E2%80%93acid_battery

https://en.wikipedia.org/wiki/Nickel%E2%80%93cadmium_battery

https://www.sciencedirect.com/science/article/abs/pii/S0378775307010294

*https://www.youtube.com/watch?v=AlyASwxy7cg

Picking the Right Battery For Your Electric Bike FAQ

How many miles will I get from my battery?

This metric will vary, but most electric bike batteries allow for around 22 to 60 miles per charge. Using throttle and heavy pedal assist can significantly decrease this metric.

What components do the best electric bikes have?

Generally speaking, the best electric bikes come with a high-grade motor and an efficient battery. They also boast durable brakes and a fantastic suspension system.

How long will my battery last?

Modern electric bike batteries can last up to 1,200 charging cycles but will begin to degrade at around 500 charging cycles.

Lawrence Bonk

Lawrence Bonk is a copywriter with a decade of experience in the tech space, with columns appearing in Engadget, Huffington Post and CBS, among others. He has a cat named Cinnamon.

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