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Description

  • This protection board can not be used for lithium iron phosphate battery, xenon lamp, hand drill battery pack, electric fish battery pack, electric bicycle battery pack, baby car battery, 775 (4A) and above motor, 1W fisheye LED light!.
  • The power range described applies to the following products: low power inverters, massager battery packs, LED light backup power supplies, electronics, solar street light battery packs, monitoring backup power supplies, and other products..
  • The protection board measures 35*35*3.0mm, and the components are S-8254AA protection chip and D403*4 pieces..
  • In the use of the battery will be hot, the battery rate is not applicable, this situation can not be used for a long time, the battery will be damaged quickly..
  • Note: For discharge products above 3A, the discharge rate of the battery should be more than 3C. (Magnification formula: 1C rate battery, 2000 capacity equals 2AH*1=2A upper limit working current. 3C rate battery, 2000 capacity equals 2AH*3=6A upper limit working current).
Specifications: Overcharge voltage range: 4.25-4.35v±0.05v Over-discharge voltage range: 2.3-3.0v±0.05v Upper limit working current: 10A Working temperature: -40---+50 °C Upper limit instantaneous current: 20A Storage conditions: -40-- +80 ° C Quiescent current: less than 30uA Effective life: more than 50,000 hours Internal resistance: less than 100mΩ Short circuit protection: protection, charge recovery Charging voltage 16.8V-17V Note: Strictly follow the diagram wiring 0V (B-), 3.7V (B1), 7.4V (B2), 11.1V (B3), 14.8V (B +), do not intentionally short circuit! After the line is connected, you need to charge it first to have output. (p+p- is the input and output. When combining, the battery voltage, capacity and internal resistance should be paired well. After the group is assembled, it will be output with 16.8V voltage.) When connecting 4 groups of batteries in series, please ensure that the voltage of each group of batteries is the same. If they are different, please fill each group of batteries separately and use them in series. In the discharge test, the battery with a fast voltage drop is a poor battery. Do not mix good battery and poor battery! The closer the capacity/internal resistance of the 4 batteries is, the better! (The effect of 2 good batteries + 2 poor batteries = the effect of 4 poor batteries). We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution. Package Includes: 2Pcs

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2PCS 4S 20A 14.8V Li-ion Lithium 18650 Battery BMS PCM Protection PCB Board Module 16.8V Overcharge Over Discharge Short Circuit Protection

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