Lithium-iron-phosphate batteries have been proving their advantages in practice for several years now. They are not only 3 times lighter than their lead counterparts and do not require maintenance. Even compared to other types of Li-ion cells, lithium iron phosphate batteries are a cut above the rest.
They are distinguished by high chemical and thermal stability, excellent fire and explosion safety, frost resistance and a long service life – over 2000 charge-discharge cycles even under harsh operating conditions.
Therefore, LiFePO4 lithium-ion batteries are considered the best choice for installation on all kinds of personal electric vehicles, warehouse and cleaning equipment, wheelchairs, golf carts, electric motor boats, boats, yachts, solar power systems, UPS. LiFePO4 battery show endurance and reliability even in the harsh conditions of daily use.
But when buying, it is important to make sure that the purchased batteries or batteries correspond to the declared characteristics. To do this, a LiFePO4 test is carried out using measuring instruments and a special load stand. Quality control of lithium-iron-phosphate batteries during their pre-sale inspection includes:
Measuring the actual capacity of the purchased LiFePO4 cells allows you to find out if it corresponds to the value indicated by the manufacturer, and to assess the suitability of the batteries for subsequent use. When determining the capacity of LFP batteries, despite their tolerance for overheating, overcharging and limiting discharge, it is important to follow safety rules:
To measure the actual capacity of a battery, the easiest way is to use a special device that can properly charge and discharge batteries, monitor their temperature, voltage, charge duration and prevent critical operating modes. In the absence of such a device, you can use a multimeter and a load that consumes a current of 1-2 A.
Let’s describe the algorithm how to check LiFePO4 batteries when buying or in another situation using a multimeter and a load:
In Maxpower company, batteries and batteries assembled from them undergo a thorough quality check, including monitoring at a load stand. Therefore, all batteries of production correspond to the declared characteristics. Maxpower assemble the batteries, strictly follow the assembly technology, carefully check the used elements and finished batteries. At the last stage, the quality of the products is confirmed by the results of the pre-sale check. But you can independently check the characteristics of the battery cells and batteries according to the above algorithm.
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