Best 18650 Battery Tester Reviews & Alternatives

A 18650 battery tester can be a great investment for those who want to simplify their work needs. With the increase in standing desk popularity, many people looking for the best 18650 battery tester feel overwhelmed by the wide range of options available. From traditional 18650 battery tester  to convertible models, the dizzying slew of choices might make you feel the need to take advantage

What are the features that make the best 18650 battery tester? These compact and convenient 18650 battery tester are easy to install and easy to use at the same time. And then there’s the price! Below, we’ll run through the average 18650 battery tester cost of some of the most popular types, so you can get a good idea of where to start with your budget.

The reasons you should trust us

We recommend products in each review using an intensive research process, spending hours combing through the best available models on Amazon. For a product to make our list of top picks, it must hold a solid sales record on Amazon, have consistently positive customer reviews, and offer unique features, among other factors. After narrowing down our recommendations, we conduct additional research to ensure that the products meet our standards. Once we conclude the research phase, we craft a well-rounded, user-friendly article that includes our recommended products and additional information to help homeowners like you make the right purchase. The following key factors are considered when analyzing:

  • The quality of 18650 battery tester
  • Each product’s design
  • How it’s built
  • Price comparison
  • How durable [replace-keyword] is
  • Features
  • Cost-effectiveness
  • Versatility
  • Product usability
  • The functionality of the 18650 battery tester
  • Performance of the products
  • Product dimensions and weight
  • Return policy and warranty, and more.

Best 18650 battery tester & Features

1. ZffXH Battery Tester 2 PCS for 9V 3.7V 1.5V AA AAA Cell C D 18650 Battery – Easy to Read, Digit Indicates… (BT-168 PRO)

Features :

  • SMALL & PRACTICAL – Simple but effective battery tester checker, compact size and lightweight,easy to carry.
  • TESTING MORE DEFFERENT BATTERY TYPES – It works with standard and rechargeable household batteries. (18650 16340 14500 10440 Lithum Battery, AA, AAA, C, D, 9V, mini cell) Check the power level of all 1.5V, 3.7V, 9V, and 1.5V miniature cells. Can quickly test the capacity of your battery.
  • PERFECT FOR HOME USE – Great small tool can tell you if your battery is good, low, or needs to be replaced.A must buy for anyone who uses regular or rechargeable batteries on a regular basis.
  • REQUIRE NO BATTERY TO OPERATE – Easy-to-read , digit indicates power level. No batteries required.It is activated by the battery being checked.
  • EASY TO CARRY & CONVENNIENT – Lightweight and compact design, measures 11 × 6 × 2.5 cm, Require no internal batteries to operate. Package: Battery tester x 2

Additional Info :

Color BT-168 PRO

2. WISSBLUE 18650 Battery Charger, LCD Screen Can Display Capacity, 2a Fast 18650 Charger, Suitable for 3.7v Lithium Battery and 1.2v Ni-Mh/Ni-Cd AA AAA Battery

Features :

  • 【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

Additional Info :

Item Dimensions
Weight 0.4850169764

3. 4-Bay USB Tape-C Input 18650 Charger LCD Display Smart Multifunctional Test Capacity Battery Charger for 26650 18650 18350 20650 14500 18500 AA AAA C SC Size Batteries

Features :

  • Smart 18650 Battery Charger For Different Types Of Batteries:18650,26650,22650,20700,18490,18500,18700,17335,17670,17500,16340 ,14500, 10440 , 14650, 25500,32650,NiMH/Cd: AA, AAA,SC, C Size.
  • This 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 lithium-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

Additional Info :

Color black
Item Dimensions
Height 1.2992125971
Width 3.93700787
Length 5.7874015689

4. 2 Pieces Digital LCD Universal Battery Tester (Model: BT – 168 PRO), Battery Tester Volt Checker for AA AAA C D 9V 3.7V 1.5V Button Cell

Features :

  • Universal battery tester: the battery tester is suitable for AAA, AA, C, D, 18650, 9V alkaline, dry batteries or rechargeable batteries; Battery power tester can display battery power instantly
  • Portable battery tester: this portable battery tester is small and light, easy to carry, and can test the battery anytime and anywhere; The small size is suitable for putting in a kitchen drawer, desk, toolbox or in a pocket
  • No battery required: the device does not need an additional battery to work, and it generates electricity from the battery under test; Shorten test time to avoid unnecessary battery consumption
  • Digital display screen: the universal battery tester has digital display function, which can directly display the battery status, digit indicates power level
  • Essential tool: this is an essential tool for people who need to use standard or rechargeable household batteries; The portable battery level indicator can tell you whether you need to replace the battery, thereby effectively avoiding waste

5. 1.2-12V Battery Capacity Meter Discharge Tester 18650 Li-ion Lithium Lead-acid Battery Capacity Meter Discharge Tester Analyzer

Features :

  • Power Supply Voltage: DC4.5-6V (micro USB connector);Operating Current: less than 70mA;Supported by Current: 3.000A 0.001A resolution.
  • Maximum Voltage Measurement Error: 1% + 0.02V;Maximum Current Measurement Error: 1.5% + – 0.008A;Maximum Battery Capacity Range: 9999Ah (1Ah = 1000mAh).
  • Discharge Voltage: 1.00V-15.00V 0.01V resolution;Termination Voltage range: 0.5-11.0V.
  • Board Size: approx. 50*37mm/1.96*1.45 inch,Finished Size: approx. 50*37*17mm/1.96*1.45*0.67 inch.
  • Battery capacity tester discharge type 1.2-12V external load capacity of the battery and other tests 18650 tools, single-function, by controlling the load off and get real-time integrated discharge current capacity results,Maximum support 15V 3A discharged through the discharge voltage and current, itself does not discharge

6. LCD2-T 18650 Battery Charger, LCD Screen Can Display Capacity, with 18650 Discharge Test, 2a Fast 18650 Charger 2bay, for 3.7v Rechargeable Lithium Battery and 1.2v Ni-Mh/Ni-Cd Aa AAA Battery

Features :

  • 【DISCHARGE DETECTION CAPACITY】: 18650 Charger Slot 1 Can Realize Charging-Discharging-Charging Detection For The Battery To Identify The Real Capacity Of The Battery In Detail
  • 【SMART LCD DISPLAY】;LCD2-T 18650 26650 Charger Monitors Detailed Real Battery Condition, Time Per Charge/Charging Capacity, Battery Voltage, Charging Progress %, Battery Type, Charging Speed
  • 【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】: 2.5 Hours Full 18650 Rechargeable Battery 3400mah, 3.5 Hours Full 21700 Battery 5000mah, 0.5 Hours Full Amazonbasics 800mah AAA Battery
  • 【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 Capacity Tester, Suitable For Home Or Outdoor

Additional Info :

7. Dlyfull Universal Battery Tester with LCD Display, Small Digital Battery Voltage Resistance Checker for Ni-MH, Ni-CD, Li-ion, Alk & LiFe04 Batteries(AA AAA C D 9V 12V 18650 CR123A 2CR5 CR2032 Cells)

Features :

  • ★ WIDE COMPATIBILITY: The easy-to-use battery tester with test leads, not only works all common batteries but also has a quality feel ensures hold up to long use. It fully works with A, AA, AAA, AAAA, C, SC, D, 9V, 3.7V Li-ion 26650, 21700, 18650, 16340(CR123), 10440, CR2, CRV3, 2CR5, CR-P2, A10, A13, and also handles a very wide range of button cells(LR621, CR2032) etc.
  • ★ LARGE LCD SCREEN: Fully and clearly informed about the battery under test, it helps you easily and quickly finds out how much power your battery has to determine if they are charged or need replacement. Get a longer battery lifespan by not overcharging partially full rechargeable batteries.
  • ★ RELIABLE & MULTIFUNCTIONAL: With its high ability to detect battery capacity percentage, battery voltage, and battery internal resistance, the precise universal battery meter is great for finding out if your EDC devices need new batteries or if it was device faulty. Such as kids’ toys, flashlights, controllers, cameras, etc.
  • ★ PORTABLE & EASILY USE: A versatile digital battery voltmeter that is easy to use and remarkably handy size. No need to insert your test battery into any bays, just selecting the corresponding voltage via the rotary dial and then connect the contacts well through the test leads and the digital checker will quickly provide you a reliable and accurate source of energy your test battery.
  • ★ WHAT YOU GET: Dlyfull battery health tester & checker, 2x 1.5V AAA batteries(pre-install), welcome guide, and our worry-free 18 months warranty, no hassles friendly customer service and lifetime technical support.

8. Universal Battery Checker Tester with Leads LCD Display, Battery Capacity Voltage Resistance Tester for AAA AA C D 9V Digital 12V 3.7V Li-ion 18650 CR123A CR2032 Button Cell Batteries More

Features :

  • HIGH COMPATIBILITY: This digital battery tester fit for all common batteries from small to large- AAAA, AAA, AA, A, C, SC, D, 9V, 3.7V 10440,18650, CR2, CRV3, 2CR5, A13, various button cell(LR621, CR2032)etc.; perfect household battery tester for disposable and rechargeable batteries
  • CLEAR LCD SCREEN: Easy to read the state of your battery, it will analyze whether your battery is good or not or whether they need to be charged; compact and lightweight tool, portable handheld tester
  • MULTI-FUNCTIONAL TESTER: This battery checker can not only detect battery capacity percentage level precisely, but measure the voltage and internal resistance of household battery, equal to simple multimeter. Capacity percentage indicates battery power is high or low, and resistance reflects whether battery quality is good or not, smaller resistance, better battery
  • EASY TO USE: Just switch corresponding voltage and use leads to test, no need to insert battery into slot; the digital tester will quickly show the status of your batteries’ health, helps to avoid battery damage from overcharging. POWERED by 2 NON-RECHARGEABLE AAA ALKALINE BATTERIES
  • WHAT YOU GET: Dlyfull universal battery checker tester (2 AAA batteries not included), 24hrs freindly customer service and 100% unconditional return or refund if any quality problem

Additional Info :

Color Black

9. LiitoKala Lii-500 Battery charger for 18650 26650 AA AAA battery LCD display test the battery capacity

Features :

  • battery types Supports:1.2V Ni-MH / Ni-CD to 3.7V Li-ion battery.For AA AAA 18650 26650 18490 18350 17670 17500 16340 RCR123 14500 IMR 10440
  • Test the battery capacity: Long press the Model key to select the Nortest mode, the charger will automatically complete the test. You only need to wait for the result.
  • How long need charging? : The charger has 300mA/500mA/700mA and 1000mA charge current. 2000mA battery, using 1A charging current, about 2.5 hours full. Other battery charging times are calculated like this.
  • Safety: The Lii-500 charger features “reverse battery protection, high temperature protection, overcharge protection and over discharge protection”. It is a safe and reliable chargers, please rest assured that use.
  • Quality assurance:We offer 12 months.Please contact me if you have any questions during use. Buying a charger is the beginning and our service is not terminated.

Additional Info :

Item Dimensions
Height 6.38
Width 3.78
Length 1.42

10. XH-M240 Battery Capacity Tester for 18650 Lithium Discharge Energy Testing Meter, Circuit Board, Electronic Components

Features :

  • It can display discharge capacity and discharge energy.
  • And it supports parameter memory function, convenient for checking next time.
  • With dual working power supply, it has high working efficiency, and saves your time.
  • Made of high quality electronic components, it is solid, durable and good conductivity and performance, long service life.
  • This battery capacity tester is used to test the voltage, discharge capacity and discharge energy of a 18650 lithium battery.

Buying Guide for 18650 battery tester

To help you buy the perfect 18650 battery tester for your needs and requirements, we have mentioned some of the best 18650 battery tester in this article. Not only that, but you can also learn about their differences as we have mentioned their major features and options.

To help you on your way, we’ve listed some questions you may want to consider before making any purchase.

  • Why do I want to buy this?
  • Do I need it or just want it?
  • Am I getting the best deal?
  • How often will I use it?
  • Can I pay cash for it?
  • Is it budgeted for?
  • Can I borrow it?
  • Can I get it used?

Although, if you still want to learn more about these 18650 battery tester for buying the perfect one, we are here with a detailed buying guide just for you. Since this buying guide is related to 18650 battery tester, you can find many major features and aspects related to 18650 battery tester. Thus, you can easily choose the perfect one by going through this article until the end.


The 18650 battery tester should last more than one use and hold up against normal wear and tear. We recommend reading the product description before purchasing 18650 battery tester to ensure they’ll last a while. Additionally, pay attention to the wash instructions.


When choosing the best 18650 battery tester, you must consider its versatility.  It is important to make sure that your unit can be used for performing different tasks.

For instance, if you need to use your unit for other purposes in any other materials, getting the one with a versatile design will be an ideal option for you.


The brand is another crucial factor you must consider while looking for the 18650 battery tester.  You will find both well-known and unknown brands in the market. If you are looking for a reliable and durable model, I recommend getting one from a well-known brand.

They use high-quality materials and the latest technology to manufacture their products.  As a result, you will be able to get a durable and long-lasting 18650 battery tester.

Ease of Use

While choosing the 18650 battery tester, you must ensure that it is easy to use.  It is important to get the one that comes with a user-friendly design.


As a result, you will be able to use your unit for a long time without facing any discomfort.  Also, getting the one that comes with an easy-to-use design will help you save a lot of time and effort.


The price is another essential factor you must consider while looking for the 18650 battery tester.  You need to get the one that fits your budget perfectly.

Getting the one that comes at an affordable price will help you save a lot of money.  However, you must ensure that it meets your needs and requirements perfectly.


The 18650 battery tester should be easy to carry for you. Therefore, consider the size, style, design, and all the other basic features to check for the actual portability of the device. Portability comes with comfort and ease, and you need to look for all the features to look for a suitable 18650 battery tester.


The price of your 18650 battery tester will depend upon its features and the overall quality. There are some inexpensive options in the market, but they may not have the best features.

The term ‘budget’ is broader because it completely depends on the user who wants to purchase the 18650 battery tester. In this case, you can prepare a list of all the features you want to have in your 18650 battery tester. Then, look for the product that comes with these features and works well.

After that, you should carefully check the prices of each air compressor machine on your list. This will give you a precise idea about the budget you need to prepare for the 18650 battery tester you should go after.


It is important to consider your unit’s weight while working in congested areas. Getting a lightweight model will be ideal if you need to work regularly in difficult-to-reach places.

However, if portability is not your concern and you are looking for a durable model, you can go for the one with a little heavyweight.


The warranty of 18650 battery tester is when the manufacturer offers free repairs or replacements for any damages that occur to the product.

You need to check the warranty of 18650 battery tester before buying it, as you don’t want a product that doesn’t come with a warranty.

At the same time, you also need to remember that some 18650 battery tester come with a longer warranty than others, so select one with a long warranty if possible.

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