Skip to main content

If you are planning to switch to an electric bike from a manual one or buy an e-bike altogether, you might wonder about its battery and its charging mechanism. Well, do not worry at all. Charging an electric battery bike is as simple as charging your mobile or laptop. 

In this blog, we will explore the e-bike charging mechanism in detail so that you can charge your new ride easily and efficiently. So, let us begin.

How to Charge an Electric Battery Bike?

The battery is one of the most significant parts of an e-bike as it has to provide the energy to power your motor. Needless to say, different companies use different types of batteries. Also, you should understand that different models of bikes have different kinds of batteries. 

An e-bike for simple urban use might have a different power battery compared to eMTBs. The battery model might vary among different companies and different models but the method of charging an e-bike remains similar across all e-bikes. You just need to connect the battery with a wire to a regular mains power socket… and voila!

However, you need to keep the following things in mind.

Charge outside the frame

Some e-bikes are designed with an “integrated battery” which means that the battery is attached within the bike frame of the e-bike. On the other hand, e-bikes also come with external or removable batteries. This means that the battery can be removed from the bike for charging.

In external e-bike settings such as in the Engwe M20, we would recommend you always remove the battery for charging. By doing this, you will protect the bike’s electronics from being exposed to potential charging heat.

Consider the temperature 

You need to keep in mind that charging a cold battery at temperatures below freezing point can damage it. In such weather conditions, you should allow the battery to warm up to room temperature before charging.

Also, you should ensure proper ventilation while charging the battery to prevent overheating. Avoid charging the battery in enclosed or poorly ventilated areas. This may affect the lifespan and the efficiency of the battery.

Follow the guidelines

Moreover, you should also follow the manufacturer’s guidelines. Each manufacturer has some if not all specific instructions according to the battery, e-bike model and design. We suggest you always follow the specific charging instructions provided by your e-bike manufacturer. 

Adhering to these specific charging procedures will enhance the battery life and the charging time. It will also boost the overall efficiency of the e-bike.

Use the same charger

Another important factor that needs to be brought into consideration is the charger compatibility. You are advised to use the charger that came with your e-bike or only the one approved by the manufacturer of your e-bike. 

Many riders have reported that using a different charger has hampered the efficiency of the battery. Also, many have reported that their battery also got damaged.

Follow partial charging

For lithium-ion batteries to work efficiently, we advise you to avoid frequent full discharges and charges. Manufacturers recommend that the riders should keep the battery level between 20% and 80%. This will result in optimal longevity of the battery.

You should avoid overcharging the battery at all times. Modern e-bike chargers typically have automatic shutoff features, but we will always recommend you unplug the battery once it is fully charged.

Charge at a safe place

Also, you should ensure the charging setup of the battery is stable. The battery needs to be placed on a non-flammable surface. You should also avoid leaving the battery unattended for long periods while charging as it may overheat or explode.

Do you need a distinct plug for charging?

You might be concerned about whether you will be requiring a different plug to charge your e-bike or not. Well, you will be relieved to know that e-bikes do not require a special plug but they do come with their charging cable. 

One side of the charger cable has a plug that gets attached to the battery and the other side has a plug that gets attached to the main plug socket. The batteries come with a display screen or LEDs to tell you the percentage of the charging levels.

What about the charging time?

It would be important for a bike rider to know the charging time of their e-bike’s battery. This will help you decide the distance you can travel before your bike needs to be connected for charging again. The charging time of each battery varies depending on the size and brand of the battery but most e-bike batteries usually take 4-6 hours to be charged. 

You can easily calculate the charging time for your battery yourself. Just divide the “Ah” rating of your battery with the “A” rating of your charger. For instance, if you have a 12Ah battery and you charge it with a typical 2A charger, you will need 6 hours to fully top it from an empty state. Alternatively, if you use a fast charger, say a 3A charger, you will take just 4 hours to charge the same battery.

Here we would also like to mention that the batteries of most e-bikes are not regenerative. It means they do not get charged while you pedal.

How to store the electric battery bike?

As you know, e-bike batteries are made up of lithium-ion. A lithium-ion battery depletes with time… so you need to take care of it so as to reduce the speed of its depletion. Storing the battery is one such instance where you need to take great care.

Experts say that you should store the battery separately from the bike. It is advised to store the battery at the normal room temperature. Riders have reported that lower temperatures have accelerated the damage to the battery. 

On the other hand, the battery can also be damaged if it is exposed to higher temperatures. Direct sunlight can also damage lithium-ion cells. Also, you should not store your battery empty. It should be charged at least 30% before being stored for the long term.  

How to retain charge in your electric battery?

You might be worried about how to stop losing your e-bike charge quickly. Many factors cause the battery to lose its charge… but the type of assistance mode you choose on an e-bike has the greatest impact. As a thumb rule, the higher pedal-assist mode you use, the quicker your charge will deplete.

Eco mode on an e-bike gives maximum efficiency for the highest range whereas the turbo mode gives maximum power support for sporty riding. This means that the battery will lose its charge quickly when it is in turbo mode. 

E-bikes usually have a display to tell the battery life of their riders. If you want the charge to last longer you are advised to maintain a steady speed, avoid frequent stops and starts, and have the right tire pressure  

What about replacing the battery?

While charging the battery, we would recommend you regularly inspect the battery of your e-bike for any signs of damage. It is strictly advised not to charge a damaged battery as it could be hazardous.

Batteries deteriorate over time so they need to be replaced. Batteries are replaced usually after a lifespan of 20,000 to 40,000km. 

All Lithium-ion batteries have a certain lifetime, depicted by their charge cycles. A battery with a 1000 charge cycles can be fully charged and discharged a 1000 times before losing its efficiency.

Once your electric battery bike nears its end, you need to carefully dispose of it. The best way of doing that is to give it to battery dealers who recycle its raw materials.

Summing it up

E-bikes feature lithium-ion batteries that require special care for efficient working and lasting service life. As we have mentioned before, Li-ion batteries do not need to fully discharge themselves before charging… and you should charge them partially and regularly.

Also, you need to be very careful about the charging environment of your electric battery bike. We recommend you charge the battery in a cool, dry place. If you charge it in extreme temperatures (whether very hot or very cold), it can affect its efficiency and its lifespan.

We hope we were able to answer all of your queries regarding e-bike charging. But if you have any questions, or you want more information about e-bike batteries, you can visit any nearest e-bike store or even contact us. In case you want to purchase an electric bike for yourself, do check out our lineup. Happy riding!

Leave a Reply