Electric bikes are popular as a convenient and practical mode of transportation, but they do have one drawback: their batteries don’t last very long. Many people find that the battery life of their electric bikes… Batteries need to be replaced every one to two years; aside from issues with the battery itself, many people make mistakes when charging. So how should you charge your device properly?

1. Master the timing of battery charging.

Many people tend to charge their electric vehicles whenever they need to, plugging them in right after use to avoid running out of battery. However, this practice is actually not advisable.

Immediately after use, the battery of an electric vehicle is at a relatively high temperature. Charging it right away can further raise the temperature, leading to evaporation of water in the electrolyte. Additionally, if the vehicle has been driven only short distances and still has a substantial remaining charge, consistently charging under these conditions can cause voltage buildup in the battery.

Correct method : After riding an electric bike home, if you want to charge it, you’ll still have to wait. Recharge after 30 minutes, and also keep an eye on the battery’s remaining charge: in summer, it should ideally be around 20–30%, while in winter it’s best to recharge when it drops to about 40%. This helps prevent under‑charging and avoids the buildup of overvoltage.

2. Use the correct charging method.

Currently, most electric vehicles use lead-acid batteries, and because charging takes a relatively long time, it typically requires… Around 6 to 8 hours, so many people, in an effort to cut down on charging time, opt for high‑current chargers or stop at public fast‑charging stations—yet this approach is also misguided.

Lead-acid batteries do not support fast charging. Using a high‑current charger can cause the battery temperature to rise rapidly, and over time this may lead to bulging and deformation—potentially even triggering a fire. It’s also best to avoid using public charging stations, as high currents can puncture the battery’s plates, resulting in irreversible damage.

Correct method When charging an electric vehicle, avoid using high‑current chargers and never use high‑voltage chargers. Also, try to steer clear of fast‑charging stations; it’s best to use the charger that came with the vehicle, ensuring it’s dedicated to that specific model. A high‑quality, properly rated charger can significantly extend the lifespan of your EV’s battery.

3. Choose an appropriate charging environment

Many people don’t pay attention to the charging environment when plugging in their electric vehicles, assuming that simply connecting the charger is enough. Some even take their bikes upstairs to charge, or charge them in direct sunlight during the summer—both of these practices are unsafe.

Correct method When charging an electric vehicle, be sure to choose an appropriate charging environment that is dry and well-ventilated. Charging in an open, non‑enclosed space not only improves charging efficiency but also helps prevent safety hazards.

4. The correct sequence for plugging in during charging

Many people believe that charging an electric vehicle is very simple: just plug the charger into the bike and then connect it to a power outlet. However, failing to follow the correct connection sequence can damage the battery. When charging your electric vehicle, always use the proper plug‑in order.

Correct method : When charging an electric vehicle, First insert the battery, then plug in the power supply. Because plugging in the power first can subject the electric vehicle’s battery and charger to a surge of high current, connecting the battery first helps avoid this issue and extends the battery’s service life.

5. Pay attention to the charging duration.

Charging duration is also very important. Some riders leave their electric vehicles charging overnight, and in some cases even for dozens of hours, only unplugging the charger when they plan to use the bike again. This practice is entirely incorrect and can cause significant damage to the battery.

Correct method : The typical charging time for a lead-acid battery is After the electric‑vehicle charger turns green, you can continue to top up the battery for about 30 minutes in summer and 1–2 hours in winter. This not only ensures the battery receives a fuller charge but also helps maintain it effectively.

6. The correct sequence for disconnecting the power after a full charge

After fully charging an electric vehicle, it’s important to follow the correct sequence when unplugging the charger—avoiding haphazard plugging and unplugging—to help protect the charger effectively.

Correct method : After the battery is fully charged, the order of unplugging the charger is exactly the reverse of the charging sequence; it requires First unplug one end of the power cord, and then… Pull out Battery terminal This allows the charger to provide better protection and also prevents damage to the battery.

Summary:

As the saying goes, “The battery in an electric vehicle is damaged by improper charging, not by normal use,” which underscores the critical importance of using the correct charging method. Employing the right technique can effectively extend the battery’s lifespan, whereas improper practices will shorten it. Adopting proper charging procedures also provides excellent maintenance for the battery. 。