18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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How to detect the quality of large capacity lithium batteries?18650 lithium ion battery 3.7v

release time:2023-09-08 Hits:     Popular:AG11 battery

  

  How to detect the quality of large capacity lithium batteries? Test the internal resistance and maximum discharge current of high-quality lithium batteries, with very small internal resistance and high maximum discharge current. Using a 20A range multimeter, directly short circuiting the two electrodes of a lithium battery, the current should generally be around 10A or even higher, and can be maintained for a period of time. A relatively stable battery is a good one.

  During the live working process of a lithium battery, if the two poles of the battery continue to discharge for about 10 minutes without overheating, it indicates that the battery protection board system is complete. Generally, lithium batteries with high-quality protection boards have better quality than ordinary lithium batteries.

  Detection of charge retention and charge recovery capacity of lithium batteries

  The detection of charge retention ability and charge recovery ability mainly tests the capacity retention of lithium-ion batteries after being stored for a period of time, and recharges the batteries after the charge retention test to verify their capacity recovery.


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