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How to confirm whether the battery Cell is grade a ？

grade A Battery cells:

A등급 세포: Grade A cells are the name of the high quality standard for batteries. All parameters of A-grade lithium iron phosphate batteries are within the technical parameters. Batteries with intact appearance (no damage), no swelling, and no abnormal phenomena can be called A-grade batteries. Its battery materials, processes, energy storage, charge and discharge stability, specifications, and constant temperature standards are all high-quality industry standards. High-quality batteries have stable performance, high safety, and usually have longer cycle life and higher energy densit

Grade A Battery cells

Other Battery cells Grade:

Grade B battery cells: medium-quality batteries with average performance and stability, suitable for general application scenarios.

Grade C cells: low-end batteries with poor performance and stability, short cycle life, and possible safety hazards.

Grade D cells: defective batteries with poor quality and generally not recommended for use as they may pose greater safety risks.

When choosing a battery, it is best to choose a battery with grade A or higher to ensure the performance, safety and stability of the battery. At the same time, it should be noted that different manufacturers may have different standards for grade classification. It is best to choose based on user reviews and professional test reports.

How to select Grade battery cells

It is more secure to choose batteries from big brands. Well-known battery brands include EVE, 고티온, BYD, Greatpower, 등. You can also make some distinctions in appearance. A-grade batteries have original QR codes, which can be scanned to trace their origins. Cooli’s energy storage batteries all use A-grade cells with more than 6,000 cycles and a ten-year warranty.

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