The electric bicycle has been the only mode of transportation that has succeeded to capture a considerable portion of the bicycle share in the market in the previous 20 years. One of the most tempting aspects of e-bikes is that they emit no carbon pollution from combustion engines and provide no risk of contamination to the environment. Even when the cost of frequent battery changes is factored in, an e-bike is far more environmentally benign than any other public road transportation.
With the growing impact of carbon emissions on the environment, switching to a cleaner and greener choice is the need of the hour. E-bikes not only impact the environment but daily lifestyle too. According to a large-scale survey, more than half of the Indian population owns at least one form of automobile. In a long or short commute, carbon emission is inevitable. However, the choice of using an e-bicycle in India as frequently as possible can make a significant difference in the future.
Do you want to be able to ride and enjoy your electric bicycle regardless of whether you’re having a leisurely afternoon stroll through the park or battling morning traffic? To do so, make sure that all of your electric bicycle systems are in good working order. One of the prime factors in maintaining an e-cycle or e-bike is taking care of its battery pack.
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Here is a compilation of some facts related to e-bike batteries and their usage.
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Battery Cell Debunked
For e-bikes, lithium-ion (Li-ion) cells are the finest alternative. Despite lead-acid batteries being substantially less expensive, they are three times heavier than lithium-ion batteries. The cell chemistry of lithium-ion batteries differs. Lithium Cobalt Oxide (LCO), Nickel Manganese Cobalt (NMC), and Lithium Iron Phosphate are the most commonly used in e-bikes (LFP).
There really are trade-offs when selecting one chemical over another, but NMC and LFP are both excellent choices that provide the best benefit in terms of performance, pricing, and safety.
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Understanding Battery Range
The range of a battery pack is determined by the quantity of energy stored within it and is measured in Watt-Hours. Watt-hours are computed by multiplying the battery capacity (in Amp-hours) by the voltage (in Volts). Some factors that affect the battery range are –
- Weight of the rider
- Temperature conditions
- Pedalling frequency, and intensity
How long does a battery last (lifespan)?
Generally, batteries degrade with time. The factors affecting the lifespan of a battery are –
- Depth of discharge (DoD): the voltage to which the battery is discharged.
- Charging voltage: the voltage at which the battery is charged.
The figure below summarises how much recoverable ability a battery has after a year of storage at various temperatures and charge levels –
| Temperature | 40% charge | 100% charge |
| 60-degree C | 75 % (post 1 year) | 60% (after 3 months) |
| 40-degree C | 85 % (post 1 year) | 65% (after 1 year) |
| 25-degree C | 96 % (post 1 year) | 80% (after 1 year) |
| 0-degree C | 98 % (post 1 year) | 94% (after 1 year) |
Note: To assist slow down this deterioration, many electronics devices come with batteries that are only half charged.
Can the battery be charged by pedalling?
Some e-bikes demand a significant amount of pedal effort, so users can endure a great workout while cycling. Some of these e-bikes offer regenerative braking, which charges the battery while braking, similar to how electric cars do.
How to take care of your e-bike?
Allow at least 12 hours for the first time you set the battery to charge. Batteries require a significant initial charge to signal that it is time to start. When you first fully charge your battery bicycle, you’ll have a good starting point for calculating how long your battery will last while riding.
Always charge your battery on a clean, level surface. Check that it is not in direct sunlight or close to anything that could cause it to overheat and dry the battery. Also, ensure it’s not near direct or indirect moisture as moisture can lead to corrosion and damage.
Charge your battery entirely if you anticipate a long day of riding or exploring to prevent battery stress and keep cells from reaching maximum capacity for a lengthy period. You might need to store your electric bicycle battery at some point. For example, maybe you’re about to embark on an adventure, or it’s too cold to ride outside. In any case, don’t store the battery empty; it should have 40-70 per cent of its original capacity.
Among the electric cycles in India, which one is better- Pedal assisted one or throttle?
The rider’s preferences determine it. Some individuals prefer throttle since it allows them to glide without pedalling. Pedal-assist provides assistance as soon as you begin pedalling, and users who are more used to riding traditional bikes prefer this approach. If a person wants to select between them, he must spend significant time riding both systems to determine which is ideal for him.
