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E-Bike batteries are quite costly, so you do need to ensure that you get the best quality that’ll be worth the investment. If you're an e-bike cyclist or considering whether to pick one, you might be wondering, 'how long do e-bike batteries last?' Battery service life and riding range are different: service life concerns capacity loss over time, while range is the distance travelled on one charge. An e-bike battery can last you 2-4 years before requiring a replacement if managed properly. However, some factors can affect the battery life such as frequency of use, battery size, age and weight. Also, the weight of the bicycle can affect the lifespan of an e-bike battery Below is a detailed review of all you need to know about the batteries of electronic bicycle. In addition, we have outlined what the e-bike battery is made of, factors that affect it, and how to maintain your e-bike battery. What is an e-Bike? The e-bike is an electronic bicycle with a silent electronic motor that facilitates movement seamlessly. These bikes are powered by electricity, but riders can also propel them using the pedal if the battery dies out. Thus, the e-bike is more versatile than regular pedal bicycles. What are e-Bike Batteries Made of? E-bike batteries are made of lithium iron cells. The most popular type is the cylindrical cell also known as 18650 cells. Lithium-ion batteries emit more power than other materials used in making e-bike batteries. What are the Types of e-Bike Batteries? Currently, there are only three types of batteries used in electronic bicycles: Lithium-ion Batteries Lithium batteries are flexible batteries that have applications in vast aspects of civilization and technology. Lithium batteries are used in laptops, mobile phones, iPads, and even wireless vacuums. Thus, the electronic bicycle isn’t left out. Lithium batteries vary between Lithium-ion (Lithium-Ion) and Lithium-Polymer(Lithium-Polymer). Lithium batteries are popular in the UK. The battery casings comprise several cells that typically resemble the AA batteries. However, Lithium batteries are wired together to form one complete battery set. Nickel Batteries These batteries have similar capacities to Lithium batteries, but are prone to discharge quicker. As a result, they are not frequently used like Lithium or Lead batteries. Lead-acid Batteries These battery cells are much distinct from the rest. A typical example of a lead-acid battery is your car battery. They are much heavier and have the shortest lifespan of all types of batteries. These batteries are famous in China. Research shows that in 2014, a review from the China Bicycle Association/IdTechEx—over 35 million bicycles were sold in China, with only 2.8 million of them having Lithium batteries. How Long Do e-Bike Batteries Last? E-Bike batteries can last up to 2-5 years if you can operate them properly. The battery lifespan is evaluated in charge cycles. The charge cycle is determined by the amount of complete/full charges the battery can undergo before it slowly loses effectiveness. Theoretically, these batteries can go through a couple of hundred charge cycles in their lifespan. However, the exact number of charges in their lifespan depends on the type and brand of battery. Type Of BatteryCharge CycleLead Batteries200-300 cyclesNickel Batteries500 cyclesLi-Ion/ Li-Po Batteries800-1000 cycles.Lithium-Ion Phosphate1000+ Ultimately, if you’re wondering how long e-bike batteries last, understand that the lifespan of e-bike batteries depends on how well the e-bike is handled. Factors that Determine Battery Life Frequency of Use A full equivalent charge cycle adds up partial use and recharging. Charging from 40% to 100% replenishes about 60% of the battery’s capacity, or 0.6 of a full equivalent cycle, not three-quarters. Two 50% recharges add up to one full cycle. See Gazelle’s explanation of partial charge cycles. There is no universal countdown of exactly 1,000 cycles. Capacity fades gradually, and batteries also age when unused. More frequent riding does not automatically extend service life. Battery Size A higher-capacity battery stores more energy and can provide more range under comparable conditions. That does not guarantee more years of service. Check our guide on why your ebike battery might not be working for troubleshooting. Battery Age The lifespan of your e-bike battery is highly dependent on how old the battery has been in use. Newer batteries will obviously last longer than aged ones. Also, older e-bike batteries are more prone to quicker drainage. Bicycle Weight Bike weight can affect energy consumption and range per charge. It does not establish a fixed battery replacement age. Level of Rider’s Assistance If you’re a rider who relies completely on the electronic motors of your e-bike frequently, your battery will more likely drain faster. However, if you frequently paddle-assist the motors, the battery won’t drain so quickly. Non-E-bike Factors That Determine Battery Life Terrain Hills and demanding surfaces can reduce range per charge. This is different from permanent capacity loss over the battery’s service life. Weather Cold conditions and headwinds can reduce riding range. Heat and unsuitable storage conditions can also shorten service life; follow the temperature limits in the battery manual. External Weight Rider and luggage weight can affect energy consumption and range. Range changes alone do not prove that a battery has degraded. How to Maintain Your e-Bike Battery? An electronic bicycle’s battery will eventually become weak. But, if you maintain your battery properly, it can outlast your expectations. So, here are a few tips on how you can maintain your e-bike battery life. Store in a cool, dry place. Don’t store a very low battery. Don’t regularly run down your battery. Check for ebike error codes related to battery. https://youtu.be/zSGBhVvYZUI Frequently Asked Questions Where are e-bike batteries located in the bicycle? The majority of the electricity bicycles have their batteries in the carrier tracks. Other places where the batteries appear are the mid-frame, the rear rack, the saddle down pipe, etc. However, many factors determine the location of the e-bike batteries. Dissimilar to them, BMX bikes have their batteries placed on their down tube. What is the cost of an e-bike battery? A typical Lithium battery can cost you between $270 to $1300. However, the cost of the battery will depend on the capacity in WH and the popularity of the brand. E-Bike batteries from known brands such as Bosch are more costly than others. Bike batteries tend to be the costliest and weightiest parts of an e-bike Should you charge often? Partial charging is normal for lithium-ion batteries. Bosch’s battery guidance explains that incomplete discharge has no memory effect and that charging can be interrupted without harming its batteries. Follow your battery manufacturer’s charging and storage instructions and use its approved charger. A 750W motor rating describes motor power, not battery capacity or charging frequency. It does not guarantee longer range or battery life. Why are charge cycles pivotal for e-bikes? Cycle counts describe cumulative energy use, not the number of times you plug in the charger. A partial recharge is only part of a full equivalent cycle. A battery’s rated cycle life also depends on the test conditions and the remaining-capacity threshold used by its manufacturer. When can I replace my e-bike battery? If you have used your e-bike battery for two years or longer, and you've noticed a decreased performance, then you should replace the battery. Also, fluctuating voltages, lack of power, and the need to charge it more often are a sign that you need to replace them. Conclusion To determine how long do e-bike batteries last, you might need to consider the battery type and age, the frequency of riding, and the terrains you’d travel on. There is no fixed number of weeks of riding per charge: range depends on the bike, battery capacity, assistance level and conditions. Whereas e-bike batteries are good investments, they are usually expensive to afford. So consider the conditions for which you will be utilizing the e-bike. It can affect the e-bike battery lifespan. Also, learn how to maintain your e-bike battery while riding.