The Best 18650 Capacity Tester of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 18650 Capacity Tester of 2022. Check our ranking below.

2,027 (random num) Reviews Scanned

Rank No. #1

EBL 18650 Battery Charger with Discharge & Testing Functions, Lithium Battery Charger for 3.6V/3.7V/3.85V Li-ion/IMR/INR/ICR/3.2VLiFePO4, 1.2V Ni-MH/Ni-CD Rechargeable Batteries

PD4 Universal Charger: For 3.7V/3.6V/3.85V Lithium ion/IMR/INR/ICR 3.2V LiFePO4 rechargeable batteries 18650/26650/21700/10440/14500/14650/RCR16340/16650/17500/17650/17670/18350/18490/18500/20700/22700/26700/32650/32700, 1.2V Ni-MH Ni-Cd rechargeable AA AAA C SC D.
Multi-Functional 18650 Battery Charger: Designed with Discharging Function, Capacity Test Function, '0'V Activation Function, Auto-Cut Off Function, Adjustable Charge Current, and Auto-identify Battery Types, can make rechargeable batteries maximize their best capacity.
Fast Battery Charger: The battery charger with 4 individual speedy charge slots, and max charge current of channels 1 and 4 up to 2000mA is 4 times faster than a normal lithium charger.
Smart LCD Screen: The rechargeable battery charger with a large LCD screen, not only shows real-time comprehensive and accurate information on battery charge status, but also the battery type and charge time.
Safety Guarantee: The smart battery charger with over-charging protection, over-current protection, over-voltage protection, over-heat protection, short-circuit protection, and reverse polarity, make sure your safe charging.

Rank No. #2

ZORZA 1Pcs Type-C 18650 Battery Capacity Tester Lithium Battery Internal Resistance Tester 4-Channel Automatic Charge Discharge Module for Flat Ends 18650 Batteries

Our battery tester supports independent 4-channel internal resistance and capacity measurements, allowing you to accurately assess your batteries.
It features a charging function with automatic cutoff when the batteries are fully charged, ensuring their safety and longevity.The discharge function automatically stops when predetermined conditions are met, preventing over-discharging.In automatic charging mode, it supports up to 9 cycles of charging and discharging, optimizing battery performance.
The compact design of the 18650 battery holder supports flat top batteries and allows for easy measurement (compatible with batteries with discharge voltage between 2.5V and 3.5V, and charging voltage at 4.2V).Please note automatic charging and discharging function is not suitable for lithium iron phosphate batteries.
Switching between Chinese and English interface: Press and hold the "Menu/M" button while powering on. Release the button when the screen lights up. After turning on, wait for 10 seconds before disconnecting the power. When powered on again, the language switch will be completed.
This battery tester operates on a DC5V power supply and is equipped with dual Type-C ports (power cord not included, compatible with C-type phone cables). It utilizes a direct current two-wire method for internal resistance measurement and provides status indicators. It also offers high-temperature protection and active heat dissipation.

Rank No. #3

4-Bay 18650 Battery Charger，Test Battery Capacity，Touch Button,Universal Battery Charger for: 3.7V 26650 20700 18650 18350 1.2V NiMH/Cd AA AAA Size Batteries

☆【Universal Battery Charger】4 bay battery charger is fully compatible with 3.7V Rechargeable Batteries：18650,26650,22650,20700,18350,18490,18500,18700,17335,17670,17500,16340 ,14500, 10440 , 14650, 25500,32650, 1.2V NiMH/Cd: AA, AAA，SC, C Size.(It cannot charge all 1.5V batteries, including AA AAA batteries)
☆【Fast Charge, Easy to Use】The charger can change independent charging or different current selection according to the corresponding touch point function, as well as mixed charging of different batteries, which is easy to operate; in the working state, you can tap (1-2, 3-4) touch points to view the corresponding channel current (mA) /Capacity(mAh)/Voltage(V)/Time(h) and other data reference values.
☆【Touch Button 4-Bay Battery Charger】Long press the MODE touch point to switch between these four modes: first tap the 1-2 or 3-4 touch point to select the channel, then long press MODE to change the original mode, tap MODE to select the desired mode, press CURRENT The touch point changes the current size, and it enters the working state without any action for 8 seconds after selection, which is easy to use.
☆With CHARGE, DISCHARGE, TEST and STORAGE four working modes, can work in separate channels at the same time, independently set charging/DISCHARGE capacity detection, normal capacity detection function;In test mode, the normal battery capacity test process consists of three steps (1. Fully charged, 2. Then discharged fully, 3. Fully charged);Charge mode and test mode can work at the same time; charging capacity test / normal capacity test function can be set independently.
☆Touch button adopts the design of touch buttons, and it will send out a "beep" sound feedback when touched. Responsive and easy to operate.

Rank No. #4

4-Bay 18650 Battery Charger, Test Battery Capacity, LCD Display, Fast Charging, Universal Battery Charger for 3.7V 26650 18650 18350 20650 14500 18500 1.2V AA AAA C SC Size Batteries

18650 charger For Different Types Of Batteries： 3.7V:18650,26650,22650,20700,18490,18500,18700,17335,17670,17500,16340 ,14500, 10440 , 14650, 25500,32650,1.2V NiMH/Cd: AA, AAA，SC, C Size.(It cannot charge 1.5V AA AAA batteries)
This Fast Universal Battery Charger adopts one screen independent LCD display, and the operating mode (charge and test), battery voltage (V), working current (MA), charging time (H), battery capacity (MAH) and power percentage (%) are clear at a glance.
This is a high-end intelligent fast charger, which has the functions of key control / 4-channel independent charging / battery capacity detection / anti reverse connection / short-circuit protection / overcharge protection / USB 5v1A output(power bank) and battery zero voltage activation function, also it can automatically and timely monitor battery charging and discharging and detection process.
In test mode, the normal battery capacity test process consists of three steps (1. Fully charged, 2. Then discharged fully, 3. Fully charged);Charge mode and test mode can work at the same time; charging capacity test / normal capacity test function can be set independently, without separate discharge test function.
Note:The charger can only charge cylindrical Li-ion battery and Ni-Mh battery, but not LiFePO4 battery;Before use, please refer to the manual carefully and pay attention to the recommended charging current of the charging battery, and do not exceed the recommended charging current

Rank No. #5

VISLONE Digital Display Battery Capacity Internal Resistance Tester Digital Lithium Battery Power Detector Module 18650 Battery Test Meter Dual Type-C Interface

The product supports four-channel capacity and internal resistance measurement, each channel is independent of each other, set up separately and run independently without interfering with each other.
Adopts direct current two-wire method to test internal resistance, with high accuracy of value when the battery is fully charged.
Support separate charging, separate discharging, automatic mode supports up to 9 charging and discharging cycles.
Full automatic cut off charging, discharge to reach the conditions automatically stop, automatic mode 1 ~ 9 times adjustable cycle.
Stop discharge voltage: 2.5V, 2.6V, 2.7V, 2.8V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 3.4V, 3.5V, a total of 11 adjustable gear.

Rank No. #6

HiLetgo Battery Capacity Meter Discharge Tester Analyzer 1.5V-12V Battery Capacity Meter Discharge Tester

Rank No. #7

WISSBLUE 18650 Battery Charger, LCD Screen Can Display Capacity, Adjustable 2A 18650 Charger, Suitable for 26650 21700 18350 17500 14500 18650,NiMH NiCd AAA AA

【WIDE COMPATIBILITY】: The Fast 18650 Charger Is Compatible With All 3.7v Lithium Batteries And 1.2v Nimh/Nicd Aa Aaa Batteries. Smooth And Durable Stainless Steel Rails For Cell Lengths From 34mm To 75mm
【SMART LCD DISPLAY】;Lcd4 18650 Charger Monitors Detailed Real Battery Condition, Time Per Charge/Charging Capacity, Battery Voltage, Charging Progress %, Battery Type, Charging Speed To Identify The Real Capacity Of The Battery
【SAFELY ADJUST CHARGING SPEED】: Switch Between Slow/Medium/Fast Charging As Needed, Shorten Charging Time By Up To 35%, Intelligent Circuit To Prevent Short Circuit, Overheating, And Overvoltage，Automatic Stop When Full
【18650 BATTERY CHARGING TIME】: 2.3 Hours Full Lithium Ion Panasonic Ncr18650b 3400mah, 3.5 Hours Full 21700 Battery 5000mah, 0.5 Hours Full Amazonbasics 800mah AAA Battery,1.5 Hours Full Eneloop 2500mah AA, 1.5 Hours Full 3.6v 2500mah Lithium Ion High Power Consumption Lg He2
【UNIVERSAL CHARGER】: Universal Usb Interface, You Can Use Solar Charger, Mobile Power, Computer, Car Charger, Usb Wall Charger, Etc. To Charge 18650 Batteries Anytime And Anywhere. Best 18650 Battery Charger 4 Slots, Suitable For Home Or Outdoor

Rank No. #8

IMREN 18650 Capacity Tester,18650 Battery Charger with Discharge & Testing Function, 21700 Battery Charger with LCD Screen Display Capacity Suit for 18650 21700 20700 1.2V Ni-MH/Ni-CD LiFePO4 Battery

【Automatic LCD Display】- This is a smart 18650 battery charger with LCD Display, Automatically adjust and choose the best charging current for different batteries to maximize battery life, also could automatically detect Li-ion and Ni-MH batteries at same time or separately. Comes with a car adapter, easily charge your 18650 batteries in your big truck
【C4 Channel 18650 Battery Tester】-Put the 18650 battery into the charger's C4 channel,then Press SLOT and MODE both keys for 2 seconds till flashes.After 5 seconds,it will automatically enter Battery Capacity Analysis Mode.In this mode,the battery is first fully charged,and then discharged at a constant current of 500mAh.After a cycle process of charging and discharging, the capacity of the corresponding battery is displayed on the screen. (only for the C4 channel 18650 battery tester)
【18650 Battery Charger】- the Battery Charger suit for IMR / Li-ion(4.2V / 4.35V) / LiFePO4(3.6V) 10340 / 10350 / 10440 / 10500 / 12340 / 12500 / 12650 / 13450 / 13500 / 13650 / 14350 / 14430 / 14500 / 14650 / 16500 / 16340(RCR123) / 16650 / 17350 / 17500 / 17650 / 17670 / 18350 / 18490 / 18500 / 18650 / 18700 / 20700 / 21700 / 22500 / 22650 / 25500 / 26500 / 26650 Ni-MH / Cd(1.48V) A AA AAA AAAA C SC.(Support car charge, Includes Car Adapter)
【1000mA*4pcs 18650 Battery Charger】- The battery charger with 4 individual speedy charge slots, and the charge current 1000mA*4pcs 18650 Battery. The Charger can Charge 4PCS 3000mAH 18650 batteries at the same time in just 3 hours;The 18650 charger Input：AC 110-240V 50/60Hz, DC 12V
【Practical slot and smart LED】- Short press "SLOT" to view C1, C2, C3, C4, the information displayed on the current screen is the charging status information for each channel. This 21700 battery charger with large screen can show charging capacity, battery voltage, percentage, charging time, easily to understand the charging datum. The 18650 battery charger LCD back-light will become dark after 30 sec. without any operation

Rank No. #9

Dlyfull Battery Tester, LCD Display Universal Battery Checker for Ni-MH, Ni-CD, Li-ion, Alk & LiFe04 Batteries(AA AAA C D 9V 12V 18650 CR123A 2CR5 CR2032 Cells), 2X AAA Batteries Included

WHAT YOU WILL GET: Dlyfull-B4 Battery Health Tester & Checker, 2 Alkaline 1.5V AAA Batteries, Welcome Guide, 12-Month Warranty, and Lifetime 24-Hour Friendly Customer Service
ROBUST COMPATIBILITY: Universal battery tester is compatible with 12 battery types, including 1.2V Ni-MH/1.45V Zinc Air/1.5V Alkaline/3.0V Lithium Manganese/3.2V LiFePO4/3.7V Li-ion/6.0V, 9.0V, and 12.0V Alkaline packs ect; It supports AAA AA C SC D N sizes, button cells, CR123A, CR-V3, 2CR5, 23A, 27A, and more, offering versatile compatibility for various applications
SMART LCD DISPLAY: The digital battery tester features a sophisticated LCD display screen that showcases the voltage and battery level of the tested battery; The battery level is presented in two formats: as a percentage and battery level bar display, providing clear and precise information about the battery's status
PORTABLE & EASY TO USE: Cylindrical batteries can be tested using the black negative pin, while button and combination batteries only need to be placed in their corresponding slots for testing; The compact battery analyzer weighs less than 0.36 pounds, making it extremely convenient for carrying and storage
CHECK BUTTON: The household battery checker includes a self-check button. Press and hold for about 3 seconds to perform a self-check and view the power status of the batteries powering the device, allowing for timely replacement when necessary

Rank No. #10

MiBOXER 18650 Battery Charger, 8-Bay Smart Charger with Automatic LCD Display, Fast Charge Rechargeable Li-ion LiFePO4 Ni-MH Ni-Cd AA AAA C 21700 26650 13650 16340 18350 18700 RCR123

8-Bay Battery Charger: Our chargeable battery charger is made of PC Fire retardant material with excellent heat dissipation and electronic circuit design. When battery is reversed or short-circuited, it will show error symbol. After battery fully charged, it just sopped charging automatically. If the battery is over discharged, our smart charger can even activate this battery. If it is damaged, LCD display will show error and stop charging
Universal Battery Charger: Multi-bay battery charger is fully compatible with Li-ion /IMR /INR /ICR /LiFePO4(3.6V): 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430,14500, 14650, 16500,16340(RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490,18500,18650,18700, 20700, 21700,(Support battery up to 73mm long) 22500, 22650,25500, 26500, 26650; Ni-MH / Ni-Cd(1.48V): AA, AAA, AAAA, C,SC. Dual power input with DC 12V/3A (support car charge, but not included)
Fast Charging, Easy to Use: This Intelligent battery charger charges 8 rechargeable different type of cylindrical batteries simultaneously. You can set the single-channel charging current up to 1.5A max. Automatically/manually select the optimum charge current. Supports 8-bay simultaneous independent charging without affecting
Multi-Functional LCD Display: This 18650 and AAA AA battery charger with large screen display can show voltage,current,charging time,mode,battery type,internal resistance and battery capacity that charged, easily to understand the charging datum. The LCD back-light will become dark after 1 minutes without any operation
Birthday Gift Choice: Package includes 1* battery fast charger(without battery), 1* power adapter, 1* user manual. One of memorable presents that you can give

Last update on 2024-10-12 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best 18650 Capacity Tester?

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We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 18650 Capacity Tester that you consider buying. Your questions might include the following:

Is it worth buying an 18650 Capacity Tester?
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We’re convinced that you likely have far more questions than just these regarding 18650 Capacity Tester, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 18650 Capacity Tester, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 18650 Capacity Tester. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 18650 Capacity Tester buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 18650 Capacity Tester currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of 18650 Capacity Tester has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an 18650 Capacity Tester?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your 18650 Capacity Tester.
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Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 18650 Capacity Tester.
Product Quality: You don’t always get what you pay for with an 18650 Capacity Tester, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 18650 Capacity Tester is should be an indication of how long it will work out for you.

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FAQ:

Q: Which high capacity 18650 is the best?

A: Sanyo GA’s LG MJ1’s Samsung 35E’s

Q: What is safe temp for 18650?

A: In most cases, 45 degrees is the maximum experts believe t18650 batteries should operate under. The battery will also produce its heat as soon as it begins to charge -this is as a result of the internal cell activities.

Q: How to test 18650 battery?

A: 1) You will first start by checking the meter’s battery baby setting the multimeter’s knob at the battery check level. … 2) Position the 18650 battery in the holder. 3) Place the alligator clips on the meter’s probe tips. 4) You will have to go for a resistor that is appropriate for the battery’s voltage. 5) Reset your stopwatch at hand. 6) Connect the 18650 cell’s positive terminal onto one of the resistor’s leads. 7) Change the multimeter’s control knob to indicate direct current. 8) Clip the positive meter probe to the unconnected resistor lead, it is the red one. Click the black one, which is the negative probe, to the battery’s negative terminal. … 9) Start your stopwatch. 10) Check the current reading for intervals of one hour. When the current drops by 30%, stop the watch. 11) Calculate the battery’s mAh rating by multiplying the number of hours recorded on the stopwatch by the initial current reading on the meter.

Q: What’s the safe charge voltage for 18650?

A: 18650 lithium-ion batteries are charged up to 4.2V and down to between 2V and 3V depending on the cell’s specification for cut-off voltage. To be safe, never discharge lower than 3.0V unless you know your cell’s specification. Discharging occurs anytime you use the battery for power.