Will valve regulated sealed lead-acid batteries be phased out by lithium-ion batteries?

27, Mar. 2025

Valve regulated sealed lead-acid batteries will not be completely eliminated by lithium-ion batteries, and the two will coexist in different application scenarios for a long time, for the following reasons:

 

Valve regulated sealed lead-acid batteries will not be completely eliminated by lithium-ion batteries, and the two will coexist in different application scenarios for a long time, for the following reasons:

 

1. Advantages of lithium-ion batteries:

-High energy density: Lithium ion batteries have a much higher energy density than lead-acid batteries and can store more electrical energy in the same volume or weight. This is of great significance for application scenarios that pursue lightweight and high endurance capabilities, such as electric vehicles and high-end electronic devices.

-Long cycle life: Generally speaking, the cycle life of lithium-ion batteries can reach thousands or even more, while the cycle life of lead-acid batteries is usually only a few hundred times. Therefore, in scenarios that require frequent charging and discharging, lithium-ion batteries have lower usage costs and are more durable.

-Fast charging capability: Lithium ion batteries support a large charging current and can be charged in a short amount of time, improving the efficiency of the device.

 

2. Advantages of lead-acid batteries:

-Low cost: The production technology of lead-acid batteries is mature, and the raw material cost is relatively low, making their selling price relatively cheap. In cost sensitive application scenarios such as the low-end market of electric bicycles and backup power sources, lead-acid batteries still have a high cost-effectiveness.

-High safety: The chemical properties of lead-acid batteries are relatively stable, and the risk of safety accidents during normal use and charging and discharging processes is low. If there are quality problems in the production process or improper operation (such as overcharging, overdischarging, short circuit, etc.) during the use of lithium-ion batteries, it may cause safety issues such as fire and explosion.

-Strong recyclability: The recycling technology of lead-acid batteries is mature, and the recycling industry chain is complete. Waste lead-acid batteries can be recycled to achieve the reuse of lead and other raw materials, reducing environmental pollution and resource waste.

 

3. Differences in requirements for different application scenarios:

-In some scenarios where weight and volume requirements are not high and cost is sensitive, such as the mid to low end market of electric bicycles, UPS backup power supply, communication base station backup power supply, etc., lead-acid batteries are still the main choice. These scenarios have relatively low requirements for battery energy density and cycle life, and place more emphasis on cost and reliability.

-In high-end application scenarios that require high performance, such as electric vehicles, high-end electronic products, aerospace, etc., lithium-ion batteries have obvious advantages and can meet the requirements of high energy density, long cycle life, and fast charging in these fields.

 

Will valve regulated sealed lead-acid batteries be phased out by lithium-ion batteries?