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  • The truth about charging lead-acid batteries: ls a full charge necessary every time?

    2025-06-06 13:42:31
    The truth about charging lead-acid batteries: ls a full charge necessary every time?
    "Does the battery need to be fully charged at once? " This is a question that many electric vehicle users have. Everytime they plug in the charger, many people will keep an eye on the time and insist on waiting until the battery levelshows 100% before they can safely unplug it. But you may not know that this seemingly "protective" habit ofcharging the battery is actually secretly shortening its lifespan.




    Do lead-acid batteries really need to be fully charged every time?



    Lead-acid batteries are one of the most common power types in electric vehicles. Their working principle is based onchemical reactions: electricity is generated during discharge, and the reaction is reversed during charging to restore theenergy. In fact, lead-acid batteries do not need to be fully charged each time they are charged. Why? Xiaoxinsummarized three reasons:

    PART.01
    Avoid the risk of overcharging
    If the battery is always fully charged, it may cause the battery to overheat or increase internal pressure, therebyshortening its lifespan. The ideal charging state for a lead-acid battery is to maintain between 80% and 100%,and avoid deep discharge (such as replenishing the battery promptly when the charge drops below 30%).

    PART.02
    Prevent sulfate formation
    Failing to fully charge the battery for a long time (such as only chargingto 50%) can cause lead sulfate crystals to accumulate on theelectrodes, reducing the battery capacity and performance. Therefore, it is recommended to fully charge the battery at least once aweek to activate the battery and extend its lifespan.

    PART.03
    Daily usage habits
    For users who frequently ride their bikes, you can charge as you go, without having to wait until the battery runs out. in factcharging promptly after each ride (even to 80%) is healthier than discharging the battery deeply and then charging it.

    Changxin Battery: Military-grade quality, meticulously crafted.

    As a high-tech enterprise deeply engaged in the field of new energy, Changxin Battery has always been committed toaddressing users' pain points. During the production process, changxin Battery strictly controls the quality of raw materialsBoth the positive and negative plates are made from No. 1 refined lead and it adheres to not reducing weight. The productshave excellent resistance to oxidation, corrosion, and low self-discharge, ensuring long-lasting durability. Advancedproduction processes and equipment ensure that every battery meets the high standards of quality requirements.



    Stable and lone-lastine: Usine an activelead paste formula, it enhances he utlization rate of active substances and ensures more stable discharge even at low temperatures.
    (old-resistant and heat-resistant: Equipped with a patented high-strength ABs material casing, it boasts excellent heatesistance. lt can withstand high temperatures without bursting and has a high discharge capacity at low temperatures
    Sreaterpower. Utilizing theconstantcurentcolumn technology,it reduces the interalresistance ofthe batey,enhances the abilityto dischargeat high curents, and enables more powerftulclimbing performance.
    Higher energy ratio: Five-element alloy plates, with extremely high conductivity and rapiddischarge performance. With the weight remaining unchanged, the capacity is even greater.
    longer lifespan: With the combination of multiple technological innovations, the cycle charging and discharging life can reach over 500 times
    Extremely long range: After5 generationsofupgrades, therangehas been signicantlyincreased, the poweris more powerful,witharange ofover 100 kilometers, alowingyou to ride frely.


    Practical Charging Tips



    In order to extend the battery's lifespan, Xiaoxin also shared several charging tips for everyone:

    0l Use and charge as needed:
    Charge your device promptly after cycling to prevent the battery from dropping below 20%.

    02 Regular deep charging:
    Charge the battery fully at least once a week to activate it.

    03 Environmental Note:
    Charge the device in a cool and dry place, avoiding exposure to high temperatures or humid environments.

    04 Using Original Factory Parts:
    Use the original charger or a matching charger produced by a reputable manufacturer for better eficiency and greater safety.
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