2S 4A Protection PCB Board for 7.4v 2 Packs 18650 Li-ion Lithium Battery Charger
Tips: We can provide wholesale if you need large quantity, please contact us. Thanks.

Specification:

  • Features:
  • 1.Built in high precision voltage detecting circuit.
  • 2.Terminals using high voltage device.
  • 3.Built in three section over current detection circuit.
  • 4.The charge and discharge of the battery can be controlled through the MOS tube.
  • 5.Wide operating temperature range: -40℃--- +85℃
  • 6.Low consumption current.


  • Product parameters:
  • 1.Charging voltage: DC 9V CC/CV (MAX:12V)
  • 2.Maximum continuous discharge current: 4A
  • 3.Single current consumption: <6uA
  • 4.Overcharge detection voltage: 4.29V±0.025V
  • 5.Over charge detection delay time: 1s
  • 6.Over charge recovery voltage: 4.05V±0.025V
  • 7.Over discharge detection voltage: 3V±0.1V
  • 8.Over discharge detection delay time: 128ms
  • 9.Over discharge recovery voltage: 3.2V±0.1V
  • 10.Over current detection voltage: 200mV±30mV
  • 11.Over current detection current: 9.8A±3A
  • 12.Over current detection delay time: 12ms
  • 13.State of restoration: Automatic recovery
  • 14.Detection delay time of short circuit protection: <50us
  • 15.Internal resistance: <=21mΩ
  • 16.Size: 35*17*1.7MM(L*W*H)
  • 17.Note: The protection board can not be used for iron ion polymer battery, electric machine battery, battery for electric bicycle.Please buyers know this before buying.

  • Note: Do not mix the good battery and poor battery to use.The internal resistance of 2 battery capacity are closer will be better.Please buyers know the professional knowledge of this module before buying.





    Package Contents:

    1 PCS x battery protection board
    (The battery and cable in the picture are not included)
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  • The items will be shipped within 2 working days after your payment is received and cleared.(excluding Saturday, Sunday & Holiday)
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  • The Delivered time to USA buyer is about 6~20 days, other country about 15-30 days delivered.

    Notes: pls contact us if you need need trackable or express shipping service.
  • All the items will be tested before shipping. Buy them with the confidence!
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