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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Technical requirements for batteries

source:Industry News release time:2024-05-10 Hits:     Popular:AG11 battery

  

  (1) The battery pack is used under the following ambient temperature conditions: charging ambient temperature: -10 ℃~55 ℃; Discharge environment temperature: -20 ℃~60 ℃.

  (2) Electrical performance: Consistency of battery cell performance within the battery module. Each cell in the battery module should be a product produced by the same manufacturer, with the same structure and chemical composition, and meet the following requirements:

  1) The difference between the maximum and minimum static open circuit voltage of each cell in the battery module should not exceed 0.05V;

  2) The difference between the maximum and minimum static internal resistance values of each cell in the battery module should comply with the following: for cells below 10mW, the deviation value should not exceed 0.5mW, and for cells above 10mW, the deviation value should not exceed 5% of the average value;

  3) The difference between the maximum and minimum capacities of each cell in the battery module should not exceed ± 1% of the average value.

  (4) The cycle life of the battery pack should be between 800 and 2000 cycles.

  (5) High temperature accelerated aging lifespan: The battery pack should be charged and discharged according to regulations, and its appearance should have no obvious deformation, rust, smoke or explosion. The number of test cycles should not be less than 52.


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