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Lithium Battery Charge Protection Board 15A 3.7V Balanced Charger for 7pcs Batteries

GY17552
5 9
$15.99 $11.19
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1.Description:
  It is a lithium battery charge protection board.This protection board uses a professional lithium battery protection IC connection scheme,which has less resistance and less heat generation.
 
2.Feature:
  1>.High precision
  2>.High withstand voltage
  3>.Overcharge voltage protection
  4>.Over-discharge voltage protection
  5>.Load short circuit protection
  6>.Low current consumption
  7>.Impact resistance
 
3.Parameter:
  1>.Product Name:Lithium Battery Charge Protection Board
  2>.Work Voltage:DC 25.9V
  3>.Working current:15A(MAX)
  4>.Work Temperature:-40℃~60℃
  5>.Work Humidity:5%~95%RH
  6>.Size:68.5*28.5*8mm
 
4.Product Usage:
  1>.Applicable electronic products:It is suitable for various digital products and electrical equipment with low current peak requirements.
  2>.Applicable battery types:
    2.1>.6-7 strings ternary lithium, nickel-cobalt-manganese lithium, lithium cobaltate, lithium manganate ion and other rechargeable lithium batteriesS
    2.2>.6-7 series lithium polymer rechargeable battery
 
5.Functional Characteristics:
  1>.Overcharge detection function
  2>.Over-discharge detection function
  3>.Over-current detection function
  4>.Overcurrent detection
  5>.Short circuit protection
  6>.Temperature detection function:
    1.1>.Charging high and low temperature protection, external temperature and air can be set.
    1.2>.High temperature discharge protection, low discharge but protection
  7>.Equalization function
  8>.6-cell or 7-cell battery switching via SEL terminal
  9>.Disconnection detection function
  10>.Load detection function
 
6.Battery Protection Board Parameters:
  1>.Discharge:
    1.1>.Continuous discharge current:15A
    1.2>.Overcurrent protection current:3~5 times of continuous current
  2>.Charge:
    1.1>.Charging voltage:29.7V
    1.2>.Maximum support charging current:15A
  3>.Overcharge protection:
    1.1>.Overcharge detection voltage:4.25 +/-0.05V
    1.2>.Overcharge protection delay:1000mA
    1.3>.Overcharge release voltage:4.0+/-0.05V
  4>.Battery balance:
    1.1>.Balanced detection voltage:>=4.200+/-0.035V
    1.2>.Stop voltage:<4.190+/-0.035V
    1.3>.Equilibrium current:30~40mA
  5>.Over-discharge voltage protection:
    1.1>.Over-discharge detection voltage:2.5+/-0.1V
    1.2>.Overdischarge detection delay:100mS
    1.3>.Over-discharge release voltage:3.0+/-0.1V
  6>.Overcurrent protection:
    1.1>.Overcurrent detection voltage:150mV
    1.2>.Overvoltage detection delay:100ms
    1.3>.Overcurrent protection release condition:load disconnection/charge activation
  7>.Short circuit protection:
    1.1>.Short circuit protection condition: external load is open circuit
    1.2>.Short-circuit detection delay:200us
    1.3>.Short-circuit protection release condition: load disconnection/charge activation
  8>.Temperature protection:
    1.1>.Charge and discharge high temperature protection temperature:NA℃
    1.2>.High temperature protection release temperature:NA℃
  9>.Internal resistance:<20mohm
    1.1>.Main circuit conduction internal resistance:<20
  10>.Self-consumption:
    1.1>.Working current:<40uA
    1.2>.Sleep current:<30uA
 
7.Note:
  •   1>.Before installing the protection board,the batteries must be matched (the battery voltage difference should be less than or equal to 0.05V,the internal resistance difference should be less than or equal to 5mohm,and the capacity difference should be less than 30mAh).The smaller the battery voltage difference is,the longer the distance traveled.The working performance of the protection board will be better.
  •   2>.The batteries should be connected in parallel and then in series,and ensure that the welding is correct(spot welding for 18650 batteries, soldering for other batteries),do not use screws,it is easy to burn out the IC of the protection board.
  •   3>.If it is an old battery replacement board,please note that please confirm whether the battery is normal before buying.
  •   4>.When installing,use a multimeter to check whether the voltage of each string of batteries is the same.
  •   5>.Connecting the positive and negative poles of the charger may burn your charger or electrical equipment.It is required that your charger also supports anti-reverse protection.
  •   6>.Please pay attention to the input and output voltage and load current conditions.The power consumption in the protection board does not exceed the allowable power consumption.
  •   7>.If the wiring order is incorrect when connecting the battery for the first time,it may not be discharged.In this case,the connected charger can be activated to resume normal operation.
  •   8>.When an overcharged battery and an overdischarged battery are mixed together,the battery becomes overcharged or overdischarged,and charging and discharging are impossible.
  •   9>.Although this protection board has a built-in antistatic protection circuit,do not apply excessive static electricity to the protection board that exceeds the performance of the protection circuit.
 
8.Wiring Instructions:
  1>.B1+ point is connected to 3.7V voltage
  2>.B2+ point is connected to 7.4V voltage
  3>.B3+ point is connected to 11.1V voltage
  4>.B4+ point is connected to 14.8V voltage
  5>.B5+ point is connected to 18.5V voltage
  6>.B6+ point is connected to 22.2V voltage
  7>.B7+ point is connected to 25.9V voltage
 
9.Package:
  1>.1pcs Lithium Battery Charge Protection Board
  2>.1pcs XH2.54-9P 30cm wire
 
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Lithium Battery Charge Protection Board 15A 3.7V Balanced Charger for 7pcs Batteries
$11.19
$15.99
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