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

2,013 Reviews Scanned

Rank No. #1
Speedy 18650 Battery Charger XTAR PB2 USB Output Function, Portable Li-ion 18650 Battery Charger Box w/USB Port and LED Display for Unprotected 18650 Batteries(Batteries NOT included)
  • ► 【Best Match with Your Mod】Hand-Held & stylish design, 2.1A output for your unprotected 18650 batteries,ONLY unprotected 18650 batteries fits.
  • ► 【As a Fast Battery Charger】Fully charge 1x2500mAh 18650 in 1.5hrs or 2x2500mAh 18650 in 3hrs.
  • ►【Your Safety First】CE, FCC and RoHS Certification, with Fire Retardant Materials, Intelligent Circuits and Worldwide Insurance.
  • ► 【Not Included Batteries】Support replaceable 65mm length 3.6V/3.7V Unprotected Li-ion/IMR/INR/ICR 18650 Batteries
  • ► 【What You Get】 Battery Charger, USB Cable, with 12 months free repair
Rank No. #2
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. #3
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. #4
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. #5
Enhanced 4S 40A 14.8V 16.8V 18650 Charger Li-ion Lithium Battery Protection Board PCB BMS Lipo Cell Module with Balance Function for Drill Motor
  • High charge and discharge current; Compact size and lightweight.
  • High-accuracy voltage detection circuit, fine workmanship and durable.
  • Highlight: Over-discharge protection, overcurrent protection, overcharge protection.
  • MOS transistor can control the battery charge and discharge, low standby current consumption.
  • For connecting cables, use copper wire over 3 square millimeters, the shorter the better (can not use nickel plate!!!).
Rank No. #6
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).
SaleRank No. #7
DALY BMS 7S 24V 40A Li-ion Battery Protection Module PCB Protection Board with Balance Leads Wires BMS for 18650 Battery Pack 24V
  • Over current protection---18650 LiFePO4 battery pack will stop charging when current over 26A(AMP) and will stop discharging when current over 120A(AMP).
  • Over-charge over-discharge protection---18650 Li-ion battery pack will stop charge when its voltage reaches 4.25V and stop discharge when its voltage reaches 2.7V.
  • Temperature protection---low temperature 0℃ battery protection and high temperature 70℃ discharging battery protection.
  • Quality Guarantee--- ISO/ FCC/ RoHS/ PSE/ CE APPROVED.
  • Shipping time---within 9-14 days from China Dalyelec usually. Only during Labor Day(May 1-3), National Day(October 1-5) and Spring Festival(Feb 9-18, 2021) need most extra 3-10 days. Tracking information available.
Rank No. #8
3S 12.6V 18650 Lithium Battery Charger Protection Board PCB BMS Cell 40A Module Oc48
  • 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/1.6x2.2x0.13"
  • Scope: Nominal voltage of 3.6V, 3.7V lithium battery(including 18650, 26650, lithium polymer battery)
Rank No. #9
DALY BMS 4S 12V 40A Li-ion Battery Protection Module PCB Protection Board with Balance Leads BMS for 18650 Battery Pack 12V
  • Over current protection---18650 LiFePO4 battery pack will stop charging when current over 26A(AMP) and will stop discharging when current over 120A(AMP).
  • Over-charge over-discharge protection---18650 Li-ion battery pack will stop charge when its voltage reaches 4.25V and stop discharge when its voltage reaches 2.7V.
  • Temperature protection---low temperature 0℃ battery protection and high temperature 70℃ discharging battery protection.
  • Quality Guarantee----- ISO/ FCC/ RoHS/ PSE/ CE APPROVED.
  • Shipping time----you can usually receive the package within 9-14 days from Dalyelec, China. Only during Labor Day(May 1-3), National Day(October 1-5) and Spring Festival(Feb 9-18, 2021) need most extra 3-10 days. Tracking information available.
SaleRank No. #10
DOTTMON LED 4-Slots Intelligent Universal Battery Charger for 3.6V/3.7V Li-ion 10440 14500 14650 16340 17670 18500 18650 18700 22650 20700 21700 22700 25500 26650 26700 Batteries
  • 🔋The Product Applies To 3.6V/3.7V Li-ion: 10440 14500 14650 16340 16650 17650 17670 18350 18490 18500 18650 18700 22650 20700 21700(only for flat top) 22700 25500 26650 26700 (Not for AA or AAA batteries).
  • 🔋Fully Charge Indicate: The LED indicators will turn green when corresponding batteries are fully recharged.
  • 🔋USB Charging: Common micro-USB input makes it possible to be powered up by any USB 5V output, like wall chargers, power banks, car chargers etc.
  • 🔋Smart Charger: Automatically detects battery capacity, select charging current. Automatically adapts to USB input power.
  • 🔋Portable And Compact: The input USB charging cable is integrated with the charger, easy to carry and charge. 30 days free refund, 2 years free replacement, lifetime maintenance.

Last update on 2021-01-14 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated 40A 18650 Battery to Buy Now

 

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How to Choose the Best 40A 18650 Battery (with Price and Reviews)

Although most 40A 18650 Battery are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an 40A 18650 Battery:

(1) 40A 18650 Battery Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an 40A 18650 Battery should be in line with its value. You can compare 40A 18650 Battery reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(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

Will you need to store your 40A 18650 Battery? If so, you should consider the size and weight of the 40A 18650 Batteryto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your 40A 18650 Battery will be stored.

(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.