Top 20 Best 18650 battery Review and Buying Guide

Looking for expert advice to buy the best 18650 battery? Experts are here with the list of the best rated 18650 battery available on amazon.
You will invest your hard earned money buying this 18650 battery and I don’t want you to regret it. That is why I have spent a lot of time researching, reviewing, and comparing. To finally get to this list!

$299.99
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4 new from $299.99
as of October 17, 2020 1:37 pm
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$278.95
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1 new from $278.95
as of October 17, 2020 1:37 pm
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$85.99
in stock
2 new from $85.99
as of October 17, 2020 1:37 pm
$79.95
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2 new from $71.99
as of October 17, 2020 1:37 pm
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$79.95
in stock
2 new from $79.95
as of October 17, 2020 1:37 pm
Amazon.com
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$75.95
in stock
1 new from $75.95
as of October 17, 2020 1:37 pm
Amazon.com
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$70.00
in stock
1 new from $70.00
as of October 17, 2020 1:37 pm
Amazon.com
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$69.95
in stock
1 new from $69.95
as of October 17, 2020 1:37 pm
Amazon.com
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$68.99
in stock
1 new from $68.99
as of October 17, 2020 1:37 pm
Amazon.com
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$68.88
in stock
1 new from $68.88
as of October 17, 2020 1:37 pm
Amazon.com
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$49.99
in stock
1 new from $49.99
as of October 17, 2020 1:37 pm
Amazon.com
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$49.95
in stock
1 new from $49.95
as of October 17, 2020 1:37 pm
Amazon.com
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$47.99
in stock
1 new from $47.99
2 used from $41.28
as of October 17, 2020 1:37 pm
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$43.99
in stock
1 new from $43.99
1 used from $38.37
as of October 17, 2020 1:37 pm
Amazon.com
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$42.98
in stock
2 new from $42.98
as of October 17, 2020 1:37 pm
Amazon.com
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50pcs/Set 18650 Battery Lithium 3.7V 5800mAh High Capacity Cylindrical Button/niple top 18650 Batteries for LED Flashlight Torch Camera Electronic Tool Power Bank-Non-Flat top

1 new from $76.99
as of August 16, 2021 5:55 pm

Features

  • ⏰【 Battery Type】5800mah 3.7V Li-Ion Rechargeable 18650 batteriy.
  • ⏰【Long Life Time / No Memory Effect】This rechargeable Lithium ion 18650 battery can work more than 800 cycles at high continuous current discharge.
  • ⏰【over-current protection】Built-in overcharge safety protection.Stops charging automatically when batteries fully charged.
  • ⏰【Widely Used】Perfect for flashlight or electronic gadgets,Such as your flashlights, emergency lighting, portable devices, power tools.
  • ⏰【 After-sales Service】We provide 12 months money-back or free replacement and 24-hour online customer service. Don't hesitate to contact us with any questions.
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50pcs 18650 Battery, 3.7V 18650 Large Capacity 5800mAh Rechargeable Lithium-ion Battery Button Top Batteries for LED Flashlight Lamp/Emergency Lighting/Portable Devices(US Stock)

1 new from $68.88
as of August 16, 2021 5:55 pm

Features

  • LONG LIFE AND RECHARGEABLE: The Li-ion Lithium-ion rechargeable batteries can be charged more than 800 cycles due to high storage capacity with extra long life. It can provide you with the necessary charging power source or give you a better help in an emergency, like travel, emergency, outdoor adventure, camping, or other dangerous situations.
  • PCB PROTECTION DESIGN: 5800mAh 3.7V Li-ion 18650 rechargeable batteries have built-in safety PCB protection, which can be against over charge, over discharge, short -circuit and over-current when charging or using the batteries.
  • SAFE AND ENVIRONMENTAL FRIENDLY: Environmentally friendly, no memory effect, high energy density & Pollution-free. Batteries offer high storage capacity with extra-long life.
  • WIDE APPLICATION: Can be extensively used for Battery powered devices such as your LED flashlights torch, emergency lights, portable devices, power tools, mini USB fan, night light, power bank, camera, headlamp, etc.
  • AFTER-SALES SERVICE: We provide 12 months money-back or free replacement and 24-hour online customer service. Don't hesitate to contact us with any questions.

Olight Warrior Mini Dual-switch Tactical EDC Light, 1500 Lumen Campact LED Flashlight with 3500mAh Customized Rechargeable 18650 Battery and MCC3 Magnetic Charging Cable (Desert Tan)

2 new from $79.95
Free shipping
as of August 16, 2021 5:55 pm

Features

  • Designed for everyday carry: a compact light featuring a two-way pocket clip, great for everyday carry.
  • Amazing performance: max 1,500-lumen output, 6 light modes, and smooth beam profile.
  • Dual switches: a side switch to select mode during daily use, and a dual-stage tail switch to operate tactically.
  • Large-capacity battery: 3500mAh battery rechargeable via MCC3 charging cable to ensure long runtime.
  • Full of tactical details: strike bezel, battery level indicator, lockout mode, etc.

SKYBEN Olight S2R II 1150 Lumens Magnetic Rechargeable Variable Output Side Switch LED Flashlight,with 18650 Battery Battery Case (Black Color)

1 new from $69.95
Free shipping
as of August 16, 2021 5:55 pm

Features

  • The S2R Baton II is the upgraded version of the popular S2R Baton predecessor. It has a compact build (5% shorter than S2R Baton) for easy grip and portability.
  • The light can produce a maximum output of 1,150 lumens including an upgraded TIR lens that produces a perfectly balanced beam.
  • It has several modes to choose from including three standard modes, turbo, moonlight, and strobe.
  • The S2R II features a battery indicator located on the side switch so you always know when to charge.
  • It boasts a new MCC magnetic charging system to ensure faster charging in a smaller form factor. The S2R II also features a dual direction pocket clip for enhanced everyday carry.

FIGHTECH Infrared Forehead Thermometer for Adults, Wall-Mounted Non-Contact Digital Temperature Thermometer with Fever Alarm Accurate Instant Reading LCD Display

1 new from $68.99
Free shipping
as of August 16, 2021 5:55 pm

Features

  • Non Contact & Quickly Mesurement |1S fast temperature measurement within 2-4 inches. Non-contact infrared measurement, while avoiding cross infection. No need to hold, can be hung / double-sided adhesive tape / bracket fixed.
  • ℃/℉ Switchable Easily & Accurate Readings | ℃ and ℉ of this infrared thermometer for humans are easily switchable. Pressing the button to switch it. An advanced infrared sensor chip with a tested 100,000 operating lifespan rapidly delivers accurate and precise temperature readings. is designed for people of all ages, including infants, children, adults, and seniors.
  • Widely Used | High-definition display, Wall-Mounted Body Thermometer can be stationed in offices, supermarkets, shops, restaurants, apartments, hotels, train stations, community centers, and building entrances. Can be connected to USB power, charging treasure, self-installed a 18650 lithium battery (INCLUDE).

OLIGHT Warrior Mini Tactical Rechargeable Flashlight, Max 1500 Lumens 190m Throw Powerful Dual Switch LED Torch with 3500mAh 18650 Battery for Household Search, Outdoors Hunting and Rescue (Black)

2 new from $71.99
Free shipping
as of August 16, 2021 5:55 pm

Features

  • ✅ Designed for everyday carry: a compact light featuring a two-way pocket clip, great for everyday carry.
  • ✅ Amazing performance: max 1,500-lumen output, 6 light modes, and smooth beam profile.
  • ✅Dual switches: a side switch to select mode during daily use, and a dual-stage tail switch to operate tactically.
  • ✅Rugged and durable: strong enough to survive 2-meter water immersion and 1.5-meter drop.
  • ✅ Large-capacity battery: 3500mAh battery rechargeable via MCC3 charging cable to ensure long runtime.
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Wall-Mounted Infrared Forehead Thermometer with LED Display, XQUARES Non-Contact Digital Temperature Thermometer for Company Offices, Restaurants (Battery Included)

1 new from $75.99
as of August 16, 2021 5:55 pm

Features

  • Quick and High accuracy temperature measurement with a response Time 0.1s and a precision of ±0.2
  • Green line of normal temperature. Red line and alarm alerts of abnormal temperature
  • Can be attached on the wall for hands free to avoid cross infection
  • Built in rechargeable Lithium battery has one week standby time and allows for continuous use with minimal downtime.
  • This smart thermometer is made with non-hazardous materials to ensure your family’s health and safety. It is lightweight, compact, and has a user-friendly design.

Deseeker LED Tactical Flashlight,High Lumens Torch,DS09,Magnetic Rechargeable USB,Pocket-Sized,18650 Battery Included,IP68 Waterproof,Long Irradiation Distance for Emergency,Camping,Outdoor

1 new from $49.95
Free shipping
as of August 16, 2021 5:55 pm

Features

  • 【SUPER BRIGHT & SMART DESIGH】DS09 as a tactical flashlight which its brightness is up to 1380 lumens. Its irradiation distance reaches nearly 230m. A pocket-friendly design is easy to carry around. Simple operation for tactical and self-defense.
  • 【MAGNETIC USB RECHARGE & LONG-LASTING】Magnetic USB Rechargeable Battery which is 2600mAh 18650 can be charged easier and faster. Up to 300 hours(Firefly mode) of power from the battery.
  • 【6 LIGHT MODES & MODE MEMORIZED & DOUBLE SWITCH DESIGN】Strobe, Turbo, High, Medium, Low, Firefly light modes can meet users' different needs in any situation. The mode memorized is convenient for users to directly activate the mode set before. DS09 has switches on the side and tail, which makes the operation more convenient.
  • 【WATERPROOF & IMPACT RESISTANCE】The shell of DS09 is made of aviation-grade aluminum, and the waterproof level reaches IPX8. It can still work normally at a depth of 2 meters; it has strong impact resistance.
  • 【5 YEARS WARRANTY】Within 5 years from the date of purchase, if the product has quality problems (non-external force or improper use), Deseeker will repair it for free

MillerTech #MT-552 Smart Universal 18650 Battery Charger Includes 4 - MillerTech 3.7v - 3500Mah Lithium Batteries, (1) USB Power Cord and (1) Car Charger

1 new from $49.99
Free shipping
as of August 16, 2021 5:55 pm

Features

  • Includes: (1) Universal Intelligent Charger - (4) MillerTech 3.7v - 3500Mah Lithium Batteries (1) USB Power Cord (1) Car Charger
  • Full Compatiabilty with 3.6V/3.7V Li-ion IMR/INR/ICR Batteries - Rechargable Ni-Mh/Ni-CD Batteries
  • Intelligent LCD Display - Charging Currrent, Battery Voltage, Charging Capacity, Slot Indicators, Slot Number, Battery Types
  • Provides Protection From: Overchargeing, Over-Current, Over-Voltage and Overheating
  • Rapid Charge - 5 Year Warranty

ThruNite TT20 Tactical Dual-Switch USB-C Rechargeable Flashlight, 2526 Lumens with SST70 LED 5000mAh 21700 Battery Included - Customized Edition with The Outsider, Red

1 new from $75.95
Free shipping
as of August 16, 2021 5:55 pm

Features

  • The ThruNite TT20 has a max 2526 lumens and 258 meters beam distance, and capable of powering round-the-clock duty, on a hunt, in self-defense situations, or other extreme environments.
  • TACTICAL DUAL-SWITCH - Long press the side switch to activate the stepless dimming. This allows you to adjust the light to the exact level you need. Single click the tactical tail switch to access to turbo mode directly to keeps you safe when in a dangerous situation.
  • HIGH-CAPACITY 21700 BATTERY - The TT20 is powered by a High Capacity 5000mAh 21700 Lithium-Ion Battery (Included). Being that it's slightly larger in size will also provide more energy/power and runtime than a normal 18650 battery.
  • USB-C FAST CHARGING - Built-in TYPE-C charging port and USB-C cable offers more compatibility and faster charging. Power indicator: Blue (>21%), Red (11-20%), Flashing Red (
  • VERSATILE MODES - Lockout mode prevents accidental activation and extends battery life. A dual-direction clip provides easy access for every day tasks.

18650 battery Buyer’s Guide 2020

I have spent a long time including the above 18650 battery. Just to mention, I went through about 39 hours, 102 Product to buy and test 3 of the 18650 battery I listed.
When buying a 18650 battery, there are always a few things to keep in mind. I want to share it with you. If you are not convinced by the list above, you can check these factors and find the 18650 battery that best suits your needs. So should I start?

1st Prize

No matter what you buy, the price of the product is one of the most important things and the same applies to 18650 battery. Most 18650 batterys are in the price range of high to low. The best 18650 battery is listed on the top of list. If the budget doesn’t matter, I recommend you choose the first product.
You can opt for the second place. It’s as good as the first one, but costs a lot less. However, if the budget is a big problem and you are looking for the cheapest 18650 battery, you should choose one that costs around.

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2. Do you have what you need?

It is important that the 18650 battery you buy contains all the features you are looking for. Because if you don’t meet your requirements, how would it be best for you? If you are looking for something future-proof. The first model I listed is the best overall and has all the features you should be looking for in a 18650 battery.
Make a list of all the items you are looking for in a 18650 battery and then compare them with the models listed. If it suits your functional requirements, you should check the price. If it fits your budget, check out the other benefits 18650 battery has to offer. If you have any additional benefits that may be useful to you, hooray! You have just found the best 18650 battery test available for your budget.

3. The brand is important!

I always recommend my readers to choose the 18650 battery that comes from a well-known brand. Because it will not only be excellent in terms of product quality, but will also offer better customer support that can come in handy if there is a problem with the 18650 battery keyword in the future. A brand may be great in US or around the world, but if it doesn’t offer a service near you, it can be a problem. So when choosing a brand, make sure that the customer service or support center is nearby.

4. Check offers

Back then, you had to go to different stores to find out the exact price of the 18650 battery, and in some cases there were very few local stores. However, with an increase in e-commerce websites like Amazon US, you can always get the best 18650 battery test at a very reliable price. For this reason, I have inserted the link to the Amazon list of products. If this is not urgent, you can wait a few days to check.

5. Guarantee items!

18650 batterys from well-known brands are not easily damaged, and even if they do, there is a guarantee that you can repair for free if there is a problem with the manufacturer or a malfunction for no reason. However, if you buy 18650 batterys from unknown brands that are not guaranteed, there is a good chance that you will end up spending a large amount on repairs and maintenance.

6. Read the reviews

The best way to recognize the 18650 battery keyword is to try or use it. But that is not possible. However, there are many customer reviews that explain the pros and cons that can be really helpful. Since this post is all about helping you find the best 18650 battery test, I can’t end up writing detailed reviews for each of the products. For this reason, until I get detailed product reviews, my suggestion would go through the actual customer reviews on Amazon.

7. Trustworthy seller

This is usually not the case, but I have had some bad experiences looking for a 18650 battery in the offline market. They told me that the model I buy is from a well-known brand. After using it for 2 months when I encountered a problem with the product, I contacted the service center and was made aware that the 18650 battery I was wearing was not really made for you by the service and is a first copy.
Following my advice, I would like to ask you to ensure that you shop from reliable sellers like Amazon and other popular stores that offer excellent customer support! In the event of such a scam, you can contact Amazon – report fraudulent activity, help other people avoid the purchase, and also get a refund.

The judgment

I hope I could help you find the best 18650 battery test in US for 2020. Write a comment if I was helpful so that I could stay motivated and find many more guides for different products on the market. If I wasn’t helpful, you could still contact me and point out the mistakes I made (I’m open to accepting them publicly.)

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