Lithium polymer batteries (Li-polymer, also known as polymer lithium-ion batteries) have many advantages such as high specific energy, miniaturization, ultra-thinness, lightweight and high safety. Based on this advantage, lithium polymer batteries can be made into any shape and capacity to meet the needs of various products; and it is packaged in aluminum-plastic, and internal problems can be immediately manifested through the outer packaging, even if there are potential safety hazards, it will not explode, it will only bulge.
Lithium-ion polymer batteries are generally named with 6 digits, indicating thickness/width/height respectively. For example, PL802040 indicates a lithium-ion polymer battery with a thickness of 8.0mm, a width of 20mm and a height of 40mm, where PL indicates the battery It belongs to the polymer category. The production process of lithium-ion polymer batteries generally adopts laminated flexible packaging, so the size change is very flexible and convenient, and there are relatively many models.
Apart from cell, let us discuss the PCM(protection board). It equips with an IC chip and Moseft to the protection of lithium-ion battery from overcharge、over discharge over current and short-circuit. The following are product performance:
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