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FAQsBattery & Charging

Battery & Charging

How reliable is my bike’s battery?

Your bike comes equipped with a 72V 48Ah 3200mAh Li-ion battery with Bluetooth module - which means you can check battery status from your smartphone anytime. Check things like the battery’s capacity and other specifications.

The batteries we use can withstand up to 3,000 charge cycles. In case you’re wondering how much that is…. well, let’s just say that 500 cycles is more than enough for a year and a half of cycling, if you go for a daily ride.

How do I test my eBike's battery?

Our eBike batteries have a Bluetooth controller installed, meaning you can easily download an app for your Android device and check your battery performance: click here You’ll need a password to establish a Bluetooth connection between your Android device and your electric bike battery ‒ usually, it’s 123456 by default.

Make sure you run the inspection without a charger plugged in and within Bluetooth range of 4 feet. What you’re hoping for is that every parameter in your app (after inspection) is lit green. If something is red or white, you need to take your battery to the service center.

How much does it cost to charge an eBike?

Normally, when you type the “how much does it cost to charge an eBike” question in Google, you’ll see something around 10 cents per charge. More accurate price depends on battery voltage and local prices for electricity.

To make it easy for you, we have a formula for TOP 3.0: ((72V x 48Ah) / 1000) x local electricity rate. To break this down, simply multiply your local electricity rate by 3,456 and we’re guessing you’ll get something around 10-12 cents per charge - making it around only 24 dollars a year!

How long is my bike’s battery life?

If you have ever wondered ‘how long does an electric bike battery last’, the answer for Delfast Top 3.0 battery is that the battery has a lifetime of 3000 charging cycles. One charging cycle means a full charge of the battery to its full capacity. Partial loads can be done more often.

Can the battery self-recharge during use?

Yes, it’s called recuperation (or regenerative braking) and Delfast eBikes are equipped with this innovative technology.The motor generates energy and charges the battery through the brakes.

Recuperation begins when you slightly push on one or both of the brake handle bar levers. The moment the eBike begins to slow down, the motor begins to work as a generator. During recuperation, the battery is recharged, allowing you to get more overall distance on your eBike. Use the braking of the handlebar brake levers to activate recuperation, instead of braking with the pedal and using the brake pads. This will extend the lifetime of the brake pads and brake disks while also charging your battery. It’s a win-win!

Do I have to remove my bike’s battery to charge it?

Definitely not. (In fact, we recommend that you don’t do that.) You can charge it when it’s mounted on your eBike ‒ just make sure you don’t leave it unattended while charging.

How do I charge my eBike the correct way?

Knowing how to charge your eBike is essential. First off: Use only the original charger that was included in the Delfast delivery. Make sure the outside temperature isn’t too hot or too cold (over 90F or below 30F), or else you might end up with a battery malfunction. The charging process takes between 5-6 hours ‒ you’ll know that your battery is fully charged when the charger indicator light turns green.

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