I believe that you have heard many battery names in your life, such as accumulators, lithium batteries, lead-acid batteries, etc., but we all know that these batteries are very different. The function of batteries is to store limited electrical energy, and then Put it in the right place, the principle is to convert chemical energy into electrical energy, and lithium battery is a kind of battery made of metal lithium or lithium-containing metal material, using non-aqueous electrolyte solution, and lead-acid battery is using Made of lead and other oxides, the electrolyte is actually the same sulfuric acid solution as the battery, but with the demand of the market, a product that replaces lead-acid with lithium batteries gradually appears. Let’s take a look at the advantages and disadvantages of lithium battery and lead-acid batteries.

Safety comparison

Different materials of power lithium batteries (lithium manganate and lithium iron phosphate) have different safety. Lead-acid battery technology is quite mature, and its safety is higher than that of lithium batteries.

Comparison of environmental protection

Lithium batteries are not polluted, and lead-acid batteries are polluted by heavy metal lead. Therefore, electric vehicles using lead-acid batteries still pollute the environment.

Price comparison

The price of lithium batteries of the same capacity on the market is more than twice that of lead-acid batteries. This is also the reason why electric vehicles using lithium batteries are more expensive.

Energy comparison

The mass ratio, volume ratio and energy ratio of lithium batteries are about 40% higher than those of lead-acid batteries.

Comparison of self-discharge rate

Lithium batteries self-discharge less than 3% per month, while lead-acid batteries are 15~30%, which is very different.

Comparison of service life

At present, the general lithium iron phosphate has no memory effect after 1500 times of charging, and the storage capacity is about 85% after 1500 times of charging, while the lead-acid battery is about 500 times, the storage capacity will be greatly reduced, and the memory effect is obvious. Therefore, the battery life of electric vehicles using lithium batteries will be longer.

Comparison of voltage platforms

The voltage platform of lithium batteries is greater than 3V, and the voltage platform of lead-acid batteries is 2V.

Comparison of discharge characteristics

To put it simply, the lithium battery discharges about 30% more electricity than the lead-acid battery under the condition of high current discharge.

Persistence

The lithium battery has strong durability and good impact resistance. A fully charged battery is safe and fixed, consumes slowly, charges and discharges more than 500 times, has no memory, and has a general life span of 4-5 years. Lead-acid batteries are generally charged and discharged within 400 times, and their memory and life span are about two years. If you use a maintenance-free lead-acid battery, it should be noted that the battery loses less water, and distilled water is generally not required for use.

Shenzhen Topband Battery Co., Ltd.，established in 2006, is a wholly-owned subsidiary of Shenzhen Topband Co., Ltd. (002139.SZ). We focus on lithium iron phosphate batteries,with independent research and development in cells and BMS. With the ability to integrate the entire industry chain, we are committed to providing customers with one-stop lithium battery solutions and services. Our quality products are widely used in energy storage and light power.