Key Takeaways:

  • To gauge the battery level of an electric bike battery, plug it into a power outlet and look for an indicator light.
  • Keep the battery regularly cleaned and maintained, but avoid cleaning tools that apply high water pressure.
  • It can be a bad idea to overcharge a bike battery, so you may not want to leave it plugged in all night every night.

Charging up your favorite electric bike is one of the primary tasks you have to do in between rides. Consumers may be wondering, however, just how to tell when the bike’s battery has been charged.

How to Tell Your Electric Bike Battery is Charged

Generally speaking, there should be a battery light indicator that will turn green or another color when the eBike’s battery has been fully charged. This light could also be red while charging. The placement and color of the light can differ depending on the make and model.

Tips to Extend Overall Battery Life

On average, an electric bike battery will begin to lose efficiency at around 500 charging cycles. Here are some tips to keep your battery working optimally.

Give it a Full Charge Upon Purchase

It is generally considered a good practice to plug an electric bike’s battery in for around 12 hours when you first purchase the eBike. In other words, make sure the battery is 100 percent charged before you attempt to ride it. This will help to optimize battery life and give the battery’s integrated sensors a good base level to measure future use. This should apply to when you purchase a new electric bike or when you purchase just the battery for replacement.

Tip: It is generally considered a good practice to plug an electric bike’s battery in for around 12 hours when you first purchase the eBike

Warning: This should apply to when you purchase a new electric bike or when you purchase just the battery for replacement

Clean the Battery Carefully

You should perform general maintenance and cleaning when it comes to an electric bike battery. It is important, however, to clean lithium-ion battery packs carefully, so as to avoid accidental damage. The cleaning method may vary depending on your particular battery, but you should always avoid any cleaning tool that applies a large amount of water pressure. This could force water into the battery’s internal components. Some batteries can be cleaned using a traditional garden hose, while others should be maintained with paper towels and the like. Read the instructions thoroughly before attempting any maintenance.

Warning: The cleaning method may vary depending on your particular battery, but you should always avoid any cleaning tool that applies a large amount of water pressure. This could force water into the battery’s internal components​

Tip: Some batteries can be cleaned using a traditional garden hose, while others should be maintained with paper towels and the like​

Don’t Overcharge the Battery

While you should plug your battery in for a charge after riding, it can be important for some models to not overcharge the unit. In other words, it may be a bad idea to keep it plugged in all night every night, as it could end up hurting the battery’s overall lifespan and efficiency. Every battery and bicycle are different, though, so look for any charging-related warnings in the instruction manual.

Warning: In other words, it may be a bad idea to keep it plugged in all night every night, as it could end up hurting the battery’s overall lifespan and efficiency​

STAT:

Experts now agree that you can double the cycle life of your battery by charging it only to 80 percent. (Source)

Sources:

https://en.wikipedia.org/wiki/Research_in_lithium-ion_batteries

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

https://en.wikipedia.org/wiki/Lithium_battery

https://ieeexplore.ieee.org/abstract/document/6586975

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

How to Tell Your Electric Bike Battery is Charged FAQ

How often should you charge your electric bike battery?

This depends on how often you ride your electric bike, though some experts have cautioned against overcharging the battery. These experts advise it is a good practice to keep your battery anywhere from 60 to 80 percent charged at all times.

Will it reduce my battery life if riding in very harsh conditions or using full power a lot?

Yes, riding in harsh conditions or over rough terrain types can decrease battery life, as can using it often with full power.

I ride in very cold conditions during the winter. Will this affect battery life?

Yes, cold weather can impact a battery’s effectiveness. We recommend removing the battery and storing it indoors when not in use during the winter months.

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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