Advantages of comparing lithium iron phosphate cells with lead-acid batteries

Date:2024-04-07

Advantages of comparing lithium iron phosphate cells with lead-acid batteries

Advantages of LiFePO4 Battery Cells VS Lead Acid Batteries

Lithium Iron Phosphate battery, is a lithium-ion battery that uses Lithium Iron Phosphate (LiFePO4) as the positive electrode material and carbon as the negative electrode material;

Lead-acid battery (VRLA), a kind of battery whose electrodes are mainly made of lead and its oxides, and whose electrolyte is sulfuric acid solution.

(1) Cycle life: The cycle life of Cylindrical 26650 LiFePO4 battery cells from Wiltson Energy can reach 2000 times, while lead-acid batteries 200 to 300 times.

(2) Nominal voltage of single unit: Nominal voltage of LiFePO4 battery-3.2V; Nominal voltage of lead acid battery-2.0V.

(3) Gravimetric energy: LiFePO4 cells 150Wh/kg, lead-acid battery 40Wh/kg.

(4) Volume/Weight: the volume of LiFePO4 cells is 2/3 of the volume of lead-acid batteries, while the weight is only 1/3 to 1/4 of lead-acid batteries.

(5) Durability: LiFePO4 batteries have strong durability, slow consumption,  cycling life more than 1,500 times, and the general life of 5-8 years, while the lead-acid batteries are generally 1-1.5 years.

(6) Charging time: LiFePO4 battery starting current can reach 2C; while the charging time of lead-acid batteries is 8-10 hours under normal charging conditions.

(7) Environmental protection: LiFePO4 batteries is considered to be the world's green battery and do not contain any heavy metals. It's pollution-free during the process of production and use, while there is a large amount of lead in lead-acid batteries, which will pollute the  environment if not handled properly after disposal.

(8) Safety: under the intense impact, lead-acid batteries will explode, endangering the life of the user; The decomposition temperature of LiFePO4 battery is about 600℃, so it's very safe and won't explode even in a violent impact.

(9) Use and maintenance: Although lead-acid batteries are cheaper to acquire than LiFePO4 batteries due to their cheap materials, but it's less economical than LiFePO4 batteries in terms of service life and routine maintenance. Practical application results show that the cost-effectiveness of LiFePO4 batteries is more than 4 times that of lead-acid batteries.


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