We’ve spent hundreds of hours researching and comparing 40A 18650 Battery of all specifications to find the best one for any need (or budget). Here are the results.

The Best 40A 18650 Battery of 2020 – Top Rated & Reviewed

2,471 Reviews Scanned

Rank No. #1
Anmbest Enhanced 3S 11.1V/12V/12.6V 40A 18650 Charger PCB BMS Protection Board Li-ion Lithium Battery Charger Lipo Cell Module for Drill Motor 12.6V
  • High-accuracy voltage detection circuit, fine workmanship and durable.
  • Highlight: Over-discharge protection, overcurrent protection, overcharge protection; High charge and discharge current; Compact size and lightweight.
  • Conditions for Starting the Drill: To successful starting the drill requires three 15C-20C power batteries, or six 10C-15C power batteries (ordinary 18650 battery can not start the drill!! Recommended power battery models: SONY VTC4, VTC4A, VTC5A, VTC6). For 0V and 12.6V cables, use copper wire over 3 square millimeters, the shorter the better (can not use nickel plate!!!).
  • MOS transistor can control the battery charge and discharge, low standby current consumption.
  • Applications: Suitable for electric drill with starting current below 80A and power below 130W. 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).
Rank No. #2
AITRIP2 PCS 24V 6S 40A 18650 Li-Ion Lithium Battery Protect Board Solar Lighting BMS PCB with Balance for ebike ebicycle (2PCS)
  • With Balance circuit
  • Protection board with overcharge protection, over discharge protection, over current protection, short circuit protection
  • Split-mouth 40A discharge current
  • IT IS 6 string 24V 6-Cell lithium battery power protection board
Rank No. #3
XISAOK Balance 4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board Balanced Charge for Drill Motor 14.8V 16.8V Lipo Cell Module
  • ㊥We hope you have a pleasant shopping experience.
  • ㊥Advantage: 100% brand new and high quality.
  • ㊥Quality Workmanship: safe and durable.
  • ㊥Application: Suitable for most occasions.
  • ㊥Notice: Product details can be found in the product description
Rank No. #4
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
  • Over charge protection, over discharge protection function, short circuit protection function, over current protection function, balance.
  • Charging port of the plate and the discharge port is the same, both positive and B- connecting
  • battery"-", P- charging port and port on the negative electrode
  • Conditions for Starting the Drill: To successful starting the drill requires three 15C-20C power batteries, or six 10C-15C power batteries (ordinary 18650 battery can not start the drill!! Recommended power battery models: SONY VTC4, VTC4A, VTC5A, VTC6). For connecting cables, use copper wire over 3 square millimeters, the shorter the better (can not use nickel plate!!!).
  • The battery charging detection interface with DC output in the form of needle. Do the same mouth
Rank No. #5
daier 24V 6S 40A 18650 Li-ion Lipolymer Battery BMS PCB Balance for ebike ebicycle
  • 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
Rank No. #6
3S 12V 40A PCB BMS Protection Board for 18650 Li-ion Lithium Battery Cell Module
  • 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.
Rank No. #7
ACEIRMC 5pcs 3S 20A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board 12.6V Module
  • Scope of application: Lithium batteries with nominal voltage of 3.6V and 3.7V (including 18650, 26650, polymer lithium batteries)
  • 3S 20A Li-ion Lithium Battery Protection Board 18650 26650 Charger PCB BMS Protection Board 12.6V Cell Module-AUTO Recovery
  • Charging voltage: 12.6V - 13.0V
  • Continuous discharge current (upper limit): 20A (if the heat dissipation environment is not good, please reduce the load current), continuous charging current (upper limit): 10A
  • Applicable electric drill: It is suitable for electric drills with starting current below 40A and power below 65W.
Rank No. #8
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
  • 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.
Rank No. #9
2Pcs 3S 11.1V 12.6V 25A W/Balance 18650 Li ion Lithium Battery PCB Protection Board
  • 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.
Rank No. #10
WSDMAVIS 1 Pcs Li-ion Lithium Battery Protection Board for 18650 PCB BMS Protection Board 3S 11.1V 12.6V 40A with Balance for Drill Motor
  • 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).Suitable for electric drill with starting current below 80A and power below 170W . With balanced charging function.
  • Over-discharge protection, overcurrent protection, overcharge protection; High charge and discharge current; Compact size and lightweight.
  • Charging voltage:12.6v ~ 13.6v;Over Charge voltage:4.25±0.05v;Over Discharge voltage: 2.5v±0.05v;Continuous discharge current (upper limit): 40A (if the cooling environment is not good, please reduce the load current );Continuous charge current (upper limit): 20A.
  • High-accuracy voltage detection circuit, fine workmanship and durable.MOS transistor can control the battery charge and discharge, low standby current consumption.
  • Attention:To successful starting the drill requires three 15C-20C power batteries, or six 10C-15C power batteries (ordinary 18650 battery can not start the drill!Recommended power battery models: SONY VTC4, VTC4A, VTC5A, VTC6).0V and 12.6V cable, use copper wire of more than 3 square millimeters (cannot use nickel plate!!!).

Last update on 2021-04-04 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated 40A 18650 Battery to Buy Now

 

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(2) Demand

The demand for a particular 40A 18650 Battery is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

40A 18650 Battery materials differ from manufacturer to manufacturer. Consider where and how you will be using your 40A 18650 Battery to determine if one material would be better than another.

(4) Size

Like most products, 40A 18650 Batterys come in various sizes. Do you need a large 40A 18650 Batteryor a small one? Think about where you will use your 40A 18650 Battery in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

40A 18650 Batterys also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your 40A 18650 Battery would have any effect on the efficiency of its operation.

(6) Durability

The durability of an 40A 18650 Battery will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of 40A 18650 Battery you purchase may affect its durability.

(7) Storage

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(8) Customer Ratings

Customer rating is one of the best criteria for choosing an 40A 18650 Battery. It is hard to know exactly how an 40A 18650 Battery will perform until you get it home and try it out.

(9) Warranty

Make sure the 40A 18650 Battery you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.