How To Mount Ebike Battery [The Full Process]

The first step in converting a regular bike to an ebike is to install a battery. The mounting procedure is straightforward, but deciding where to place the battery should be done after a thorough understanding of the process.

Table of Contents

How To Mount Ebike Battery

Ebike batteries can be mounted on the bike in more than one way. Most ebike come with a pre-attached battery and mounting feature. However, if you want to change the mounting orientation for your own convenience or mounting a battery on a new bike then you need to follow some simple instructions.

What You’ll Need

Battery case

Heat sink
Rivet nuts
Bolts, screws, and nuts

Wires and connectors
Wrench( regular, Allen, rivet)
Screwdriver

Mounting a battery to a completely new bike.

You can buy a complete display, motor, throttle, and speed sensor set online to convert your regular bike into an ebike.

Step 1: Removing the old parts

Remove the chain, bottom rack, paddle, mechanical wires, and brakes. Turning your regular bike into an ebike means you will be removing almost everything from your old bike.

Step 2: Installing the ebike system

Install the bottom rack with the motor, and grease them properly. Attach the display, brake, and throttle to the frame.

Step 3: initializing Connection

Connect the display, throttle, and brakes, motor to the controller. Also, connect the speeding sensor to the rear wheel.

Step 4: Choose your mount option

Attach your front or rear rack or triangular bag to the bike.
Or
You could drill a few holes, insert rivet nuts and tighten them. You can now fit the sliding mount option to the bike frame.

Step 5: Installing the battery

Install your battery into the mount option, connect the battery, and you are done.

Step 6: Connecting the battery to the bike

The overall wire connections of an ebike might look complicated but connecting the battery is by far the easiest thing to do.

You just need to place the battery into the mount position and plug the connector to the controller, It’s done.

The battery connections to the bike might be easy but the controller wire connections are quite complicated. To find out more you could check out.

For changing the battery mounting position on your old ebike

Step 1: focus on weight distribution

Find the ideal place for mounting the battery on the bike frame. The weight distribution should be balanced.

Step 2: it’s time to drill

You can drill small holes for rivet nuts, make sure the hole isn’t too big. Use the rivet wrench to fix the nuts and bolts into place.

Step 2.1: alternative mounting options

If you have chosen a battery mounting option like a rear rack, or front rack then you need to attach and tighten them to the bike frame.

Choosing a battery mounting option like a triangular bag, top tube bag, dolphin case, or water bottle mount would be simple and less time-consuming

Step 3: battery installation

As it’s an old ebike and you already have the motor, display, brake, and throttle installed. You just need to extend the connecting wire from the old position to the new mount position and connect it to the battery.

Different Mounting Options For Diy Batteries

Rear And Front Rack Mount:

The most common mounting option for DIY batteries on eBike would be the rear rack option. Almost all bikes are rear-drive (the rear tire will move first), which helps a lot when carrying heavy loads of the battery on the rear.

The front rack battery mount might not be as popular as the rear rack battery mount, but it’s surely a convenient option for mounting the DIY battery.

Bag (Triangle And Top Tube) Mount:

A triangular bag for mounting a DIY battery will be the easiest and wise decision. The bag will be placed in the middle, great for having a perfect weight distribution on the bike. Also, you won’t have to waste time on finding a wrench or screwdriver whenever replacing the battery, removing the bag is simple and effortless.

A top tube bag for mounting a DIY battery might not be that common but it’s also easy to attach and remove from the bike frame.

Dolphin Case & Water Bottle Mount:

Both the Dolphin case and water bottle mount for DIY batteries uses the water bottle case of the frame.

A big battery might not fit in them so you may need to change the water bottle holder to a bigger one.

The ideal weight distribution and easy removal are plus points for both mounting options.

Safety Precautions When Working With Batteries

As you are dealing with an electrical power source, it’s essential that you take utmost precautions.

Wearing gloves, goggles, and rubber boots is a must. Even If there is a sudden electric discharge, wearing the basic safety gear ensures that you won’t be getting shocked or burned.

If you don’t have a specific wrench or screwdriver, please don’t use force to open the ebike battery. Your carelessness may create a short circuit and might end up causing a fire hazard.

Always unplug all the connector wires before handling the ebike battery.

If there is a deep dent or the battery is puffed up then it’s highly likely that there is cell damage. It’s extremely risky to handle such batteries. Opening them up might make you face a sudden burst of toxic gas or a change in pressure might make it pop up.

How Do I Secure My Electric Bike Battery

Ebike batteries are quite expensive and finding a proper replacement is also quite time-consuming. Here are some tips, following them will surely help you secure your electric bike battery.

From Bad Weather

Too much heat will melt the cell, while extreme cold will cause microfracture in various metal components of the battery. So the electric bike and battery should be stored indoors in a temperature and moisture-controlled environment.

Internal removable batteries are perfectly safe for cycling in harsh weather. They are well sheltered or do not come into direct contact with rain and sun UV radiation.

When not in use, generally during the winter, store the battery in a warm place after partially draining it.

From Thief

The built-in lock system for ebike batteries is no longer very reliable and is easily bypassed by lockpickers. Installing a heavy-duty lock for your bike battery will undoubtedly help you secure it.

If your battery is easily removable, taking it out and carrying it to your home or office desk is the best option.

It takes time and specific tools to remove non-removable frame integrated batteries. Choosing a frame-integrated non-removable battery would thus provide the best protection against battery theft.

Putting a GPS tracker in the battery will increase your chances of recovering it even if it is stolen.

Having Insurance for your ebike will undoubtedly come in handy. At the very least, you won’t have to worry about the expenses.

FAQ

Is It Easy To Put A Second Battery On An E-bike

No, the manufacturing design does not support 2 batteries at a time on ebike.

Where Is The Best Place To Have A Battery On An Electric Bike?

For having an ideal weight balance in an ebike, setting the battery in the middle is the best choice.

How Do I Stop My Ebike Battery From Being Stolen?

Using an extra locking mechanism or removing the battery and keeping it somewhere secure; adding a GPS tracker may also be beneficial.

Do Electric Bike Batteries Get Stolen?

Yes, despite having a built-in lock system, electric bike batteries get stolen pretty often.

Can I Put A Car Battery On My Ebike?

No, because of the excess weight and inability to deep discharge, a car battery is unsuitable for an Ebike.

Conclusion

Having proper weight distribution of your ebike depends on where you are mounting the battery. There is more than one way to mount a battery and putting the battery inside a bag or in the water bottle case is the easiest one.

You need to have a brief Idea about how to mount an ebike battery, whether you want to turn a regular bike into an ebike or just want to change the mounting position of the battery. It’s easy and simple.

Resources

How to install downtube ebike battery to your frame

How To Mount Ebike Battery [The Full Process]