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LiFePO4 VS. Lead-Acid, Which Is My Better Choice?-Acoucou Buying Guide

LiFePO4 VS. Lead-Acid, Which Is My Better Choice?-Acoucou Buying Guide

When it comes to powering various applications, two popular battery technologies stand out: LiFePO4 (Lithium Iron Phosphate) and lead-acid batteries. Both have their unique characteristics and advantages, and understanding the differences between them is crucial in making an informed decision. Let's delve into the world of LiFePO4 and lead-acid batteries to understand which one suits your needs best.

 

Lead-Acid Battery

 

What is Lead-Acid Battery?

The lead–acid battery is a type of rechargeable battery. The electrode is mainly made of lead and its oxides, and the electrolyte is a sulfuric acid solution. In the discharge state of lead-acid batteries, the main component of the positive electrode is lead dioxide, and the negative electrode is lead; in the charging state, the main component of the positive and negative electrodes is lead sulfate.

Pros:

  • Lower Cost: Lead-acid batteries are generally more affordable compared to other types of batteries.
  • Wide Availability: These batteries are widely available and easy to find in most places.
  • High Surge Current: Lead-acid batteries can deliver high surge currents, making them suitable for applications that require a sudden burst of power, such as starting an engine.

Cons:

  • Short Service Life: Lead-acid batteries usually can not be used for 10 years and have a limited number of charge/discharge cycles compared to other battery types.
  • Heavy and Bulky: Lead-acid batteries are heavy and bulky, which can be a disadvantage in applications where weight and space are constraints.
  • Maintenance Required: Most lead-acid batteries need regular maintenance, including topping up electrolyte levels and cleaning terminals. However, sealed lead-acid (SLA) batteries are maintenance-free.
  • Toxic Chemicals: Lead-acid batteries contain toxic chemicals, such as sulfuric acid and lead, which can be harmful to the environment and dangerous if not disposed of properly.

    Acoucou Lithium Battery VS. Lead-Acid Battery 

    LiFePO4 Battery

     

    What is LiFePO4 Battery?

    It is a lithium-ion battery that uses lithium iron phosphate (LiFePO4) as the positive electrode material and carbon as the negative electrode material. The rated voltage of the single cell is 3.2V, and the charging cut-off voltage is 3.6V~3.65V.

    Pros:

    3 flexible charging ways of Acoucou lithium battery

    Cons:

    • High Cost: LiFePO4 batteries are generally more expensive to manufacture than some other lithium-ion batteries due to the materials involved.
    • Not Resistant to Low Temperatures: When the temperature is below -10 ℃, they decay very quickly, and can only maintain about 50% to 60% of normal battery capacity under -20 ℃.

    Advantages of Acoucou lithium battery 

    Choosing the best battery depends on your specific needs and application. If your requirements are not high and you want to choose a cheap battery, lead-acid battery is also a good choice. But in terms of lifespan, space occupied, and environmental protection, LiFePO4 battery is better.

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