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Our Tips For Electric Bike Battery Maintenance

Our Tips For Electric Bike Battery Maintenance

All you need to know to successfully maintain a bicycle battery

The use of an electric bicycle or VAE is a very practical and efficient means of transport nowadays to avoid being delayed in traffic jams while contributing in an ecological approach. Motorized, this two-wheeled vehicle allows you to travel a few kilometers in complete freedom or replace public transport.

The battery is one of the most important components for its operation. It is used to store and restore the energy required by the engine to drive the machine. To prolong its life, it is best to maintain it regularly. Find out everything here about the processes to follow regarding bike battery maintenance.

What type of batteries should I use?

Besides the motor and the controller, the accumulator is a main component that keeps an electric bicycle running. All models are compatible with all these two-wheeled electric vehicles. All you have to do is choose the appropriate voltage and connection. There are different types of batteries, including lead, lithium (Lipo, LFP or lithium iron phosphate, lithium-ion, prismatic, phosphate ...), nickel (Nimh, Nicd), graphene, etc.


Lead-acid batteries are sometimes very heavy. However, their energy density is more limited compared to its size. Among other things, a prototype providing 36 Volts and 8000 mAh can weigh 9 or 10 kg. This battery model is equipped with a lead plate, which is a dangerous element for health and the environment. Recycling it looks very complicated. The same goes for Nickel Cadmium models.


Manufacturers of electric bikes are increasingly leaning towards lithium batteries. They mainly use the latest Lithium-ion or Li-ion technology, which has the advantage of providing higher power.

This type has a positive electrode, a negative electrode and the electrolyte to ensure ion exchange between the two. Its lifespan is longer. Also, it's ecological.

Easy to maintain, the lithium-ion battery is made up of cells, called "accumulators". Their energy voltage or voltage and their energy capacity in amperage / hour define the autonomy of the bike.

Added to this is the integrated charge management system that helps balance these cells, control battery charge and prevent overcharging.

Nickel Cadmium (Ni-Cd) or Nickel metal hydride (Ni-Mh)

These types of batteries are not too suitable for electric cars. They are highly sensitive to memory effect and their energy density is very high. They also incorporate dangerous and ecotoxic substances.

The longevity of this part

The life of new generation Li-Ion batteries is counted in number of full charge cycles. For regular use, these accumulators can last between 2 and 5 years, around 300 to 500 charging cycles.

The longevity of models used occasionally reaches up to 8 or 9 years (2000 cycles). It is best to activate this element from time to time to avoid reducing its lifespan.

How to maintain a lithium battery?

The battery is a bit like the heart that guarantees the life of your eBike. Regardless of the frequency of use, daily or from time to time, periodic maintenance is required in order to maximize the life of this means of transportation.

A few simple and practical steps are enough to preserve the battery as long as possible and get the most out of its performance

Bike battery maintenance begins as soon as it is purchased. Prioritize quality first, especially accumulators to facilitate all processes. Be sure to check the date of manufacture of the part, which may influence its energy potential. We must also monitor the technology it carries.

First-time maintenance

When you receive your electric bike for the first time, the energy supplied is only between 20 and 30%. It is necessarily required to fully charge it before rolling your bi-wheel and fully unload it in order to prolong its use.

A quarter of the capacity of the battery will be lost by leaving it completely discharged with this original charge. You can then use it as you wish.

Charging the VAE batteries

It is strongly recommended to constantly use the adapter and charger offered by the brand in the kit. This helps prevent overloads and anticipates the risk of short circuits.

Even if you don't ride with your machine regularly, remember to recharge the battery from time to time. Otherwise, she suffers a deep discharge. The on-board computer continues to consume electricity, even in small quantities, which can drain the battery.

How to store an electric bicycle battery?

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Storage conditions are also one of the essential steps in maintaining your bike's battery. Choose a cool, dry place for this that is protected from humidity and large temperature fluctuations. Extreme heat and cold in winter should be avoided.

Never let your VAE expose itself to the sun and use a cover to cover it during the winter. Ideally, a temperate environment, 5 to 25 ° C, is suitable for storing such accessories. The two-wheel works correctly, without any risk of losing charge or overheating in an atmosphere between 10 and 30 ° C. Also remember to remove the batteries when you plan not to use this means of transport for a while.

How to clean this essential part?

Continue the bike or scooter battery maintenance by cleaning. Water can be dangerous for this vital room. It is therefore necessary to first remove it from the machine, dust the connection points using a soft, dry cloth, lightly oil some areas that need it, etc.

Avoid placing the batteries on a dirty, dusty, greased surface, etc. at all times, in order not to dirty the connectors.

When to recharge a bicycle battery?

Charging an eBike battery is no more difficult than recharging the phone battery. Start by simply plugging the charger's power cable into the wall outlet and connecting the charger to the object in question. When purchasing your machine, all batteries are partially charged.

They can be implemented immediately, but it is not enough to work properly. Keep this energy storage room active between 30 and 70% of its total charge to prevent premature aging.

The processes to follow for a successful reloading

The proper use of e-bikes also depends on the efficiency of the recharging process. First, you need to fully charge them.But before maintenance , be sure to turn off and cool this room as well as the small laptop. Connect the charger to the wall outlet first.

In fact, electric arcs may appear at the time of this connection and can destroy the battery. Use compatible chargers, and preferably the same brand, to ensure fast charging. Be sure to immediately remove the battery once it is full.

Some batteries need to be removed from the eBike to be charged, but others not, such as those in the frame for daily or weekly recharging.

For detachable models, it is best to check that they are completely off before putting them back in their place. In any case, removing them remains a more favorable way to achieve a successful bicycle battery maintenance.

Precautions to be taken to optimize battery maintenance

Lithium-ion batteries have no memory effect. This is a phenomenon that affects some rechargeable models when they are not completely flat. This affects the amount of energy remaining, and may even induce a total loss of capacity. It is therefore better to top up the battery before it is completely discharged. Even if the bikes are inactive , you should charge them for about 30 to 40 minutes every month.

The battery of your electric bike should be half-charged when you plan to put it in the shed for more than 2 months. Note in particular that the inactivity of this part gradually increases the risk of wear. This is the main reason for its failure. Don't hesitate to pedal regularly. These types of batteries also need balancing, typically every 30-35 cycles.

How do I know if an electric bike battery is dead?

Over the years, the batteries in your eBike may weaken, gradually losing their usability. Sometimes they can no longer take full loads or do not cross the 30% mark. It's time to take them to the recycling center and find new batteries.

Different signs can appear when these accumulators fail or die. Among other things, the electric bike no longer starts . At worst, it doesn't even turn on anymore.

The malfunction certainly stems from the energy storage side. It is also possible that the device turns on, but loses its autonomy. You've fully charged the battery, but all of a sudden the battery turns off on startup and the lights stay off.

With these tips and information, you can now successfully maintain your bike battery to stay useful for a long time.


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