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Dos & Don'ts: How to Charge an Electric Bike Battery

An electric bike is an investment, and you want to ensure you get the best performance for your money. One of the critical components of an ebike is the battery, and proper care can help ensure it lasts.

Knowing how to charge an electric bike battery is necessary to keep your ride fully powered and ready to go.

The Danger of Improperly Charging Your eBike Battery

Improperly charging your eBike battery can lead to several serious issues, such as:

Battery Damage

Overcharging or undercharging an ebike battery can cause the cells to degrade, reducing the battery's capacity and longevity.

Fire Risk

Overcharging an ebike battery can cause it to overheat, leading to the possibility of it catching on fire.

Poor Ebike Performance

Improperly charging your electric bike battery will downgrade the power output for optimal ebike performance.

The "Don'ts" of Charging an Electric Bike Battery

To properly maintain your electric bike's battery, you will want to avoid the following:


Don't let your battery stay connected to the charger for an extended period. Always unplug it when it's fully charged.

Fast Charging Too Often

Fast charging is quick and convenient when you're in a hurry. However, you may harm your battery if you do it often.

Using Uncertified Chargers

Underwriters Laboratory is a third-party that tests products and the newest technology for safety. Look for chargers with the UL trademark.

Leaving the Battery Plugged in for Long Periods

When left on the charger, the battery cycle keeps switching on and off, impacting the battery's lifespan.

Charging Around Flammable Materials

Lithium-ion batteries heat up while charging; therefore, you must keep them away from anything flammable.

Charging Your Battery in a Damp Place

Moisture can damage or corrode the internal components of your ebike's battery.

How to Properly Charge an Electric Bike Battery

It's essential to read your manufacturer’s instructions for properly maintaining and caring for your ebike's battery. However, here are some general guidelines to maintain the health of your battery and ensure its longevity and performance

Use the Correct Charger

Make sure that you are using the charger that is designed specifically for your ebike. Using an incompatible one can damage the battery and possibly void your warranty.

Charge at Room Temperature

Avoid extreme cold or heat. You will get the best results by charging your battery in a well-ventilated, temperature-controlled environment.

Plug into a Stable Power Source

Plug your charger into the outlet before connecting it to the battery to prevent electrical issues. Avoid using extension cords or power strips.

Detach Battery Pack

Before charging your ebike battery, detach it from your bike and ensure it's switched off.

Check Your Connections

Before charging, ensure that the battery connections are clean and secure. 

Monitor Progress to Ensure Full Charge

You will want to fully charge your battery whenever possible. Consistent partial charges will shorten your battery's lifespan. Also, be alert for any problems like excessive heat, strange noises, or smells. Disconnect the charger immediately and contact the manufacturer.

Unplug After Charging

Once you fully charge your ebike battery, disconnect the charger from the power source and the bike. 

How to Charge an Electric Bike Battery Without a Charger

Sometimes you need to charge your ebike battery and don't have access to your battery charger. The following are other options that don't require a battery charger:

Power Bank

Power banks are small, handheld devices that allow you to charge on the go. They typically connect to each other via a USB charging cord.

Charging Station

Electric bikes and scooters are an eco-friendly means of transportation. Many cities are installing public charging stations designed to charge electric bikes to support and promote their use. 

Solar Panel

You can use a solar panel to charge your ebike battery by connecting the two with a charging controller. With new technology, many solar panels can charge on cloudy days.


A generator can also be used to provide power to your ebike battery.

Car Charger

Some ebike batteries can be charged using a car charger. This is a great option if you're transporting your electric bike somewhere to ride.

Solar Battery Charger and Maintainer for Electric Bikes

The Solar Battery Charger and Maintainer for Electric Bikes is light and portable, so you can easily charge your ebike battery anywhere. Don't worry about cloudy weather because the thin-film amorphous solar cells allow the battery to work even on rainy days. And it's covered in an ABS plastic case, making it durable, windproof, and rainproof.

Plug-and-play interfaces make this solar-powered battery charger easy to install. A green indicator light notifies you that it's charging, and a built-in blocking diode prevents reverse charging and battery reverse discharging.

It includes:

  • A solar car battery charger
  • A cigarette lighting plug
  • Battery charging clip line
  • Four suction cups

Qualisports Electric Bike Battery Charger

Qualisports is known for its high-quality folding electric bikes and a wide selection of accessories to outfit them. The company also offers the Qualisports Electric Bike Battery Charger  designed specifically for the Nemo, Volador, and Dolphin ebikes.

The package includes a 36V D-power charger and cord. 

Jackery Explorer 500 + 1X SolarSaga 100W Solar Panel Solar Generator Kit

Fat Tire Electric Mountain Bikes are great for riding rugged trails. To ensure your ebike battery and other electronics stays charged, you may want to consider taking the Jackery Explorer 500 + 1X SolarSaga 100W Solar Panel Solar Generator Kit.

The compact charger only weighs 13.32 lbs, and the 10 lb solar panels fold flat, making them easy to take along. 

The charger has multiple connections, so you can charge more than one item at a time. In addition to your electric bike battery, you can also keep your phone, lamps, and laptop charged.

Once you're back home, you can use the Jackery Explorer 500 as an emergency backup power supply.


1. What Kind of Maintenance Should I Do on My Electric Bike Battery?

Replacement batteries for ebikes can be costly. You can help extend your ebike's battery lifespan with proper care and maintenance, including:

  • Avoiding extreme temperatures
  • Not overcharging it
  • Keeping the battery and its connections clean
  • Regular inspections
  • Proper storage
  • Using the right charger
  • Let your battery cool down before charging it

2. What is the Best Way to Store an Electric Bike Battery When Not in Use?

Proper storage of your electric bike battery will help it to maintain its performance. Check with the manufacturer's instructions, but here are some basic tips:

  • Store your battery in a cool, dry place
  • Avoid storing the battery near easily flammable objects or in hot spots in the house
  • If you will be storing your battery for an extended period, it's essential to check the charge level and charge it periodically

3. How long does it take an electric bike battery to charge?

Several factors impact how long it takes to charge an ebike battery, such as:

  • Battery capacity
  • The type of charger
  • The charge level

Shopping for Your Electric Bike Battery Charger

Electric Bike Paradise has everything you need for your electric bike, including batteries, battery chargers, spare parts, and accessories. There are no hidden fees, and the shipping is free. The price you see is the price you pay.

If you have any questions on how to charge an electric bike battery, contact us. We will be happy to assist you.

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