The 10 Best 40a 18650 Reviews & Comparison

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10 Best replace_keyword] Reviews & Buying Guide

1. 3S 12V 40A PCB BMS Protection Board for 18650 Li-ion Lithium Battery Cell Module

Features :

  • This protection board is suitable for 3 series 3.7V 18650 li-ion cell.
  • The protection board is for cell Li-ion batteries, it can be used for ternary batteries, manganese acid batteries and cobalt acid batteries.
  • Support overcharge protection,overdischarge protection,overcurrent protection and short circuit protection.
  • This protection board is suitable for 3 series 3.7V 18650 Li-ion cell.Charging connector and discharging connector are separated.
  • Stable charging and discharging the various protection features such as precise overcharge protection,overdischarge protection,overcurrent protection and short circuit protection.

Additional Info :

Color 4

2. 24V 6S 40A 18650 Li-ion Lipolymer Battery BMS PCB Balance for ebike ebicycle

Features :

  • This product is 6 string 24V 6-Cell lithium battery power protection board
  • With Balance circuit
  • Split-mouth 40A discharge current
  • Protection board with overcharge protection, over discharge protection, over current protection, short circuit protection
  • Size: 88*34*2.8mm/3.46*1.33*0.11 inch

3. 2Pcs 3S 11.1V 12.6V 25A W/Balance 18650 Li ion Lithium Battery PCB Protection Board

Features :

  • Over voltage range: 4.25-4.35v ± 0.05v; Over discharge voltage range: 2.3-3.0v ± 0.05v
  • Maximum operating current: 0-25A ;Maximum transient current: 34-40A
  • Wiring:(please check the picutre 3 wiring diagram)Strictly according to the diagram wiring: 0V(B )3.7V(B1)7.4V(B2)11.1V(B+), Do not deliberately short circuit. After the line is connected, Need to charge first, then have output.
  • When the battery is connected in series with 3 groups, Please ensure that the voltage of each battery is the same. If not same, please fill in each set of batteries and then use. Do not mix the good battery and the battery.
  • Attention: Do not mix the good battery and poor battery to use. The internal resistance of 3 battery capacity are closer will be better.

Additional Info :

4. AOICRIE 3S 12V 40A PCB BMS Protection Board for 18650 Li-ion Lithium Battery Cell Module

Features :

  • This protection board is suitable for 3 series 3.7V 18650 li-ion cell.
  • The protection board is for cell Li-ion batteries, it can be used for ternary batteries, manganese acid batteries and cobalt acid batteries.
  • Support overcharge protection,overdischarge protection,overcurrent protection and short circuit protection.
  • This protection board is suitable for 3 series 3.7V 18650 Li-ion cell.Charging connector and discharging connector are separated.
  • Stable charging and discharging the various protection features such as precise overcharge protection,overdischarge protection,overcurrent protection and short circuit protection.

Additional Info :

Color 2

5. DollaTek 20S 72V 40A 18650 Lithium Battery BMS 3.7V Protection Board Same Port 72v Li-ion Battery Pack PCB for Scooter Ebike with Balance

Features :

  • With a balanced discharge, same port 40a.
  • Protection board with overload protection, over discharge protection, over current protection, short circuit protection, temperature protection.
  • Interface type: same interface
  • Application: Nominal 3.7V ternary battery
  • Application: electric tricycle, electric motorcycle and other motor power ≤1 500W

6. AITRIP 3 PCS 3S 11.1V 12V 12.6V 40A 18650 Charger PCB BMS Protection Board Li-ion Lithium Battery Charger Lipo Cell Module for Drill Motor with Balance

Features :

  • Continuous discharge current (upper limit): 40A (if the cooling environment is not good, please reduce the load current )
  • Continuous charge current (upper limit): 20A
  • Working temperature:-40 ~ +50Celsius; Storage Temperature:-40 ~ +80Celsius
  • Charging voltage:12.6v ~ 13.6v
  • Over-discharge protection, overcurrent protection, overcharge protection; High charge and discharge current; Compact size and lightweight.

Additional Info :

Color 3 PCS 3S 40A with Balance

7. Organizer 2pcs 4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board with Balance for Drill Motor 14.8V 16.8V Lipo Cell Module

Features :

  • High Quality; Compact size and lightweight;High-accuracy voltage detection circuit; fine workmanship and durable; stable performance.
  • Multiple Protections: Over-discharge protection, overcurrent protection, overcharge protection; High charge and discharge current
  • LOW STANDBY CURRENT: MOS transistor can control the battery charge and discharge, low standby current consumption.
  • Applications:It is suitable for lithium batteries with nominal voltage of 3.7V and full voltage of 4.2V (including 18650, 26650, polymer lithium batteries, no size limit).Besides, it can use for electric drill with starting current below 80A and power below 135W .
  • 4S 40A 16.8V Li-ion Lithium Battery Protection Board PCB BMS Charger Protection Circuit Balance Charging Module for Drill Motor Motorcycle Battery

Additional Info :

Color 4s 40a

8. DWEII 24V 6S 40A 18650 Li-ion Lipolymer Battery BMS PCB Balance for ebike ebicycle Pack of 2

Features :

  • ❃❃ Size: 88*34*2.8mm/3.46*1.33*0.11 inch
  • ❃❃Protection board with overcharge protection, over discharge protection, over current protection, short circuit protection
  • ❃❃With Balance circuit
  • ❃❃Split-mouth 40A discharge current
  • ❃❃ you will get 2pcs 24V 6S 40A 18650 Li-ion Lipolymer Battery BMS PCB Balance for ebike ebicycle

9. AEDIKO 2pcs 3S 40A BMS 18650 Li ion Lithium Battery PCB Protection Board 11.1V 12V 12.6V with Balance Circuit Over Charge Discharge Over Current Protection

Features :

  • High Accuracy Voltage Detection Circuit, Fine Workmanship and Durable
  • To Successful Starting the Drill Requires 3 15C-20C Power Batteries or 6 10C-15C Power Batteries (Ordinary 18650 Battery Cannot Start the Drill)
  • Highlight: Over-Discharge Protection,Over-current Protection,Overcharge Protection,Short Circuit Protection; High Charge and Discharge Current; Compact Size and Lightweight
  • Package Contents:2pcs 3S 40A 18650 Charger PCB BMS Protection Board
  • Attention: Do Not Mix the Good Battery and Poor Battery to Use. The Internal Resistance of Battery Capacity are Closer will be Better

10. 3S 12.6V 18650 Lithium Battery Charger Protection Board PCB BMS Cell 40A Module Oc48

Features :

  • 3 string 40A lithium lipo battery protective board module
  • Continuous Discharge Current (upper limit): 40A(If the cooling environment is not good, please reduce the use of load current.)
  • Maximum transient current: 34 40A
  • Size: About 41x55x3.4mm/1.6×2.2×0.13″
  • Scope: Nominal voltage of 3.6V, 3.7V lithium battery(including 18650, 26650, lithium polymer battery)

Additional Info :

Item Dimensions
Height 0.75
Width 0.75
Length 0.75

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Questions & Answers

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One Final Thought

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