5Pcs 3S 40A Li-ion Lithium Battery Charger Protection Board PCB BMS For Drill Motor 11.1V 12.6V Lipo Cell Module With Balance

5Pcs 3S 40A Li-ion Lithium Battery Charger Protection Board PCB BMS For Drill Motor 11.1V 12.6V Lipo Cell Module With Balance.
5Pcs 3S 40A Li-ion Lithium Battery Charger Protection Board PCB BMS For Drill Motor 11.1V 12.6V Lipo Cell Module With Balance.
5Pcs 3S 40A Li-ion Lithium Battery Charger Protection Board PCB BMS For Drill Motor 11.1V 12.6V Lipo Cell Module With Balance.
5Pcs 3S 40A Li-ion Lithium Battery Charger Protection Board PCB BMS For Drill Motor 11.1V 12.6V Lipo Cell Module With Balance.

5Pcs 3S 40A Li-ion Lithium Battery Charger Protection Board PCB BMS For Drill Motor 11.1V 12.6V Lipo Cell Module With Balance

Regular price $46.99 Sale price $32.99 Save 30%
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Description:
 
Suitable for starting current below 80A, power 135W below the drill. (with balance) 3S 12.6V 40A lithium battery protection board (comes with recovery function-AUTO Recovery)
Scope: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650,26650, polymer lithium battery)
Product Size: 41 * 60 * 3.4mm
Product weight: 9.8g
Charging voltage: 12.6V - 13.6V
Continuous discharge current (upper limit): 40A (if the cooling environment is not good, please reduce the load current use)
Continuous charge current (upper limit): 20A
 
Note 1: The successful start of the drill requires three 15C-20C power battery, or six 10C-15C power battery (ordinary 18650 cannot start the drill!!).
Note 2: Strictly according to map wiring 0V, 4.2V, 8.4V, 12.6V, do not deliberately short circuit.
Note 3: When soldering the battery for the first time or while charging, as long as the single battery exceeds 4.2V, the "430" resistor will heat up and discharge (discharge to about 4.19V to stop heating). If the "430" resistor is severely hot, check if the wrong line is connected.
 
For some of the poor basis of electronic customers to explain:
 
Balanced charge is only auxiliary functions, try not to put a good battery  and poor battery mixed together! 3 sets of battery capacity / resistance closer to the better! (2 good battery +1 Poor battery use effect = 3 poor battery use effect).

Project Min. Typ. Max. Units Notes
Consuming current 12 18 24 uA  
Overcharge protection voltage 4.2 4.25 4.3 V  
Balanced starting voltage 4.17 4.2 4.23 V Balanced version
Equilibrium current 95 100 105 mA Balanced version
Balanced heating power 1.17 1.29 1.43 W Balanced version
Overcharge recovery voltage 4.1 4.15 4.2 V  
Over-discharge protection voltage 2.4 2.5 2.6 V  
Overvoltage protection after over-discharge protection 2.8 3 3.2 V 1C discharge
Overvoltage protection after over-discharge protection 3.2 3.5 3.8 V 2C discharge
Over-discharge recovery voltage 2.9 3.2 3.3 V  
Conduction internal resistance 2.5 3 3.5 mQ  
Overcurrent protection current 70 80 90 A  
Overcurrent delay time 100 150 200 ms  
Continuous operating current 0 40 40 A Resistive load
Continuous output power 0 504 504 W Resistive load
Ambient temperature -40 25 85 °C  


Troubleshooting:    
Fault phenomenon Fault check and cause Approach
Unable to charge Measure the voltage of the three groups of batteries. When one of the battery voltages exceeds 4.25V,  the protection board will activate overcharge protection. Pair the battery pack well, do not mix the good battery 
and the bad battery (normal function)
Unable to discharge Measure the voltage of the three battery packs. 
When one of the battery voltages is lower than 2.7V, 
the protection board will activate the over-
discharge protection.
Pair the battery pack well, do not mix the good battery 
and the bad battery (normal function)
Charging/discharging failure OV, 4.2V, S.4V, 12.6V miswired Rewiring or replacing a new board (human failure)
Overcharge/overdischarge failure OV, 4.2V, 8.4V, 12.6V miswired Rewiring or replacing a new board (human failure)
Discharge protection Check that the battery pack has sufficient 
discharge capability and check that the load's 
starting current exceeds the overcurrent 
protection current of the protection board.
Replace the battery pack with a higher discharge 
capacity, or a protective plate with a larger current 
(super working range)
Component soldering There is no connection between one of the 
components and the PCB pad.
Repair welding
Component welding There is a short circuit between two or more pins
 of the component.
Remove the component and re-weld
Electrostatic breakdown A In the unpowered state, measure the G, D, and S 
poles of the MOSFET. If the forward and reverse 
resistances of any two pins are 0Q, it indicates 
that it has broken down.
Remove the replacement MOS tube
Electrostatic breakdown B Remove the MOS tube and measure the 
resistance of the G and D, G and S poles of the 
MOS tube. If there is a resistance indicating that it
 has broken down, the resistance should be 
infinite.
Remove the replacement MOS tube


Package includes:
 
5 x Battery Protection Board 


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Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

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