Finding the Best 18650 Batteries for 2019 – Tested, Rated & Reviewed

best 18650 battery

18650 batteries are the most used batteries these days. You can use them for flashlights or vapes or mobile charger or laptops. Even large company like Telsa use 18650 batteries for their vehicles.

They are easy to use and their price is kept fair and low to make them available for you.

You don’t need to be an expert to get a 18650 battery. Just look for some basic features in it to use the most of it.

All you need to select the battery which is compatible with the device in which you’re going to use the battery.

Another thing you need to consider is the company’s warranty which can help you to get a replacement in case of faulty product.

Worried about finding the right battery for your use!

Relax!

In this buying guide, I’ve discussed the most important factors which can help you to know about 18650 batteries.

How to Choose the Right Type

Like any other products, you need to look for a few basic features. If you ignore these features, you may get an inferior battery. And moreover, it will lead you to the loss of power at an inappropriate time. So consider these facts and get the right 18650 batteries for you.

1. Battery Life:

The first thing you need to consider is how long the battery will last. Because battery with long life will allow you to use the device smoothly for a long time. That means if the battery you’re using has long life guaranty, you don’t need to be worried about going out of light when you’re at camping or tracking with your flashlight or any other device.

2. Voltage:

Another important thing you need to consider for buying your 18650 batteries is its voltage. The voltage of the battery controls the flow of energy in your device.

If the battery has a higher voltage, the current will be faster which will provide any of your devices with more power.

But the drawback of higher voltage is the battery get overheat quickly and drain the power of the battery fast.

But if you should check the manual of your device and check the recommended voltage and use according to this you can avoid this problem.

3. Capacity:

The capacity of the battery means the amount of power the battery is able to hold. Higher capacity means long battery life. So you must look for the capacity of the battery you’re going to buy to get a long lasting one.

4. Rechargeable:

Getting a rechargeable battery will allow you to use them frequently. These type of batteries can assure you to have a relaxed outing without the nightmare of running out of power.

5. Device Compatibility:

Among available batteries, you’ll find some that are flat on both side, while some other have a prong that you can see on the set of AA’s.

Before buying, you should make sure that which type of battery you need for the device you’ll use them. Otherwise, you’ll end up with batteries that you won’t be able to use.

6. Safety:

If you get the wrong battery for your device, it may get overheated and exploded. So for the safety reason, you must check the manufacturer’s manual to know about the recommended voltage of the battery and buy the right battery for the device.

You also need to check the casings of the battery you’re going to buy. Because if the outer casing of your battery is weak, it is definitely not safe to operate. You should always purchase the batteries that are properly enclosed.

Top 10 Options for 2019 Reviews

1. Lightbole 4PCS Li-ion Rechargeable 18650 Batteries by Lightbole

Lightbole 4PCS Li-ion Rechargeable 18650 Batteries by Lightbole

Features:

  • Voltage: 3.7V;
  • Capacity: 4000MAH;
  • Packaging includes: 4pcs 18650 3.7V 4000mAh Button Top for Led Flashlight, Toys, Household Appliance.
  • Rechargeable Batteries for led flashlight.
90%
Our Score

Review

First of all, I would like to mention that, both flat top and button top batteries of same features are available. Know your device and be sure before ordering this batteries. These are superb in terms of quality and rechargeable batteries, led flashlight, toys, part household appliance. But people often order the wrong one mistakenly and leaves negative review.

This batteries are one of the most recommended batteries and compatible to flashlights of leading brands. Its capacity is proven to be 4000mAH as advertised. Besides, its high voltage makes it perfect to use in demanding applications. 

Its safety mechanism is a state of the art. It disconnects automatically in case of high voltage, high current, over charge or discharge and overheating. Batteries have 5 years of storage life and more than 500 charge cycles. Once you install this battery, you will not need another one for at least a couple of years.

Things We Liked

  • Highly compatible to popular brands;
  • High capacity;
  • Auto disconnect for safety.

Things We Didn’t Like

  • No cons.

2. Lightbole 2PCS Li-ion Rechargeable 18650 Batteries

2PCS Li-ion Rechargeable 18650 Batteries by Lightbole

Features:

  • Capacity: 5000AMH;
  • Voltage: 3.7V;
  • Packaging includes 2PCS Li-ion Rechargeable 18650 Batteries 5000AMH 3.7V Button Top for Led Flashlight, Toys, Household Appliance.
93%
Our Score

Review

These batteries from Lightbole come with impressive 5000aMH capacity to deliver tremendous power to the host device. Despite of the high capacity, it gets charged comparatively quicker than expected. It is available in a reasonable price too. 

The downside is, the manufacturer did not put any protective insulation in it for some obvious reasons. Due to the lack of protective circuit, there is risk of overheating. But I did not get any complain about overheating so far. Some users have complained over the cover peeling off within a couple of months use. That is not a big issue, nor it will affect its performance. But this is somewhat disappointing for a rechargeable battery.

However, I will recommend this battery only in devices with built in protection circuit. Besides, it can only be used in 3.7v devices. To power up expensive and more demanding gadgets, it will be wise to look for safer options.

Things We Liked

  • High capacity;
  • Holds charge for long time;
  • Long lasting. 

Things We Didn’t Like

  • No Noticeable Cons;

3. 10pcs Button top 18650 Batteries by BATTERY

10pcs Button top 18650 Batteries by BATTERY

Features

  • Capacity: 12000mAh;
  • Voltage: 3.7V;
  • Packaging includes:  3.7V 12000mAh Rechargeable battery for Tools, Toys, LED Flashlights, Torch
92%
Our Score

Review

Here you get high-quality batteries from BATTERY. These are available at a reasonable price.  So, you happy after buying. This shows 12000 mAh capacity in tester whereas the real batteries are 12000mAh capacity. 

These batteries are bare, free of any protective units. Hence, only can be used in devices and led flashlights which has a built-in protection system. This is the only drawback of these beauties. Besides, these come right out of the industry without any decent cover-ups.

The brand name BATTERY represents authenticity and reliability. These items are no different; for reliable use for years for your led flashlight or vapes, this unit can be a good choice.

Things We Liked

  • High quality;
  • Compatible to any device that runs on 18650;
  • Economic;

Things We Didn’t Like

  • No Noticeable Cons;

4. 8PCS Li-ion Rechargeable 18650 Batteries by Lightbole

8PCS Li-ion Rechargeable 18650 Batteries by Lightbole

Features

  • Capacity: 5000AMH;
  • Voltage: 3.7V;
  • Packaging includes: 3.7V 5000AMH for Led Flashlight, Toys, Household Appliance.
93%
Our Score

Review

The benefit of high drain batteries are, these are less likely overheat while charging and discharging and are suitable for demanding applications where high amperage is required.

These batteries from Lightbole are great to use in electric tools, toys, LED flashlights, torch, toys, and other high drain devices. These are available in an affordable price range. As these are high drain batteries, they charge faster. 

To fit this pair in an affordable range, quality is compromised a little. Its capacity will be reduced over each charge; will behalf after 250 charge cycles. Its charge holding capacity will be reduced simultaneously. Some users complained about overheating when it ages, but overall this unit is just fine when this is new.

Things We Liked

  • Suitable for your electric tools, toys, LED flashlights, torch etc;
  • Mid range capacity;
  • Comes with storage case;
  • Budget friendly price. 

Things We Didn’t Like

  • Capacity degrades after 250 charge cycles.

5. 4 Pcs Rechargeable Flat Top Li-ion LG 18650-Battery by M&A BD Electronics

4 Pcs Rechargeable Flat Top Li-ion LG 18650-Battery by M&A BD Electronics

Features

  • Capacity: 3500mAh;
  • Voltage: 3.7V;
  • Packaging includes: 4 Pcs MJ1 3500mAh 10A 3.7V Rechargeable Flat Top Li-ion LG 18650-Battery
90%
Our Score

Review

Once you use this battery, you will never buy any other brand again for your vape mods. These high drain batteries are sold in 4-Pack. It is a less popular brand but the users are quite certain about its performance.
The benefit of using a less popular brand is, you get pro-quality performance at a less price. With these batteries from M&A BD Electronics, you will get every battery is authenticated separately with code. Hence, there is less risk of purchasing low-quality product or replicas.
These batteries are solid, holds a charge for impressively long time. Sufficient for your day-long vaping. You get only one in the packaging; for nonstop service you can purchase two so that you never get out of battery when it needed most.

Things We Liked

  • Affordable;
  • For high drain devices;
  • Comes with plastic case.

Things We Didn’t Like

  • Performance degrades over time;
  • May overheat. 

6. 4 Pack Panasonic Rechargeable Flat Top Lithium Ion Batteries by M&A BD Electronics

4 Pack Panasonic Rechargeable Flat Top Lithium Ion Batteries by M&A BD Electronics

Features

  • Capacity: 3200mAh;
  • Voltage: 3.7V;
  • Packaging includes: 4Pack - 10A Panasonic Rechargeable Flat Top Lithium-Ion.
89%
Our Score

Review

In our list, this is the only unit that comes with a charger. Investing in these batteries will save you from purchasing 8650 charger separately. You will get a pair of high capacity long-lasting batteries for toys, led flashlights, clocks, remotes, and similar devices.
The included charger is portable and of moderate quality too. The included LED shows when your batteries are all charged up. The batteries come with IC protection for the safer user for years. Batteries are surprisingly long-lasting. When others give out after 250 charge cycles, these unbeatable delivers 85% of their performance even after over a year of usage.
The charger and the pair of batteries altogether cost even less than the cheapest battery on our list. We got mixed reviews from buyers; receiving the expected performance is a matter of luck. However, for your first purchase of 18650 battery, this pack from DONGmeijes is a useful one.

Things We Liked

  • Ideal for electric tools, toys, flashlights, torch and other high drain devices;
  • Comes with authenticity code;
  •  High drain battery. 

Things We Didn’t Like

  • No cons.

7. 2 Pcs Li-ion Rechargeable Lithium Battery by KEEPPOWER

2 Pcs Li-ion Rechargeable Lithium Battery by KEEPPOWER

Features

  • Capacity: 1200mAh;
  • Voltage: 3.7V;
  • Packaging includes: 2Pack - Quality High Drain Li-ion Rechargeable Lithium Battery.
95%
Our Score

Review

Unlike conventional 18650 button top batteries, these batteries from KeepPower comes with the highly protected circuit. Hence, the size is different from the normal 18650 batteries. This battery is not AA or AAA battery, not the flat top battery, please make sure your device can use this battery before place order.
These are high-performance batteries. When most batteries show 60% reduction of their capacity after 500 charge cycles, these batteries from KeepPower holds 70% of its capacity even after 500 cycles. You have to pay a few more bucks to enjoy its long-lasting performance.

Things We Liked

  • Comes with a charger;
  • Long lasting battery life;
  • Economic;
  • Holds charge for long time. 

Things We Didn’t Like

  • Mixed reviews from users.

8. 4 Pcs Rechargeable Flat Top Li-ion LG 18650-Battery by M&A BD Electronics

4 Pcs Rechargeable Flat Top Li-ion LG 18650-Battery by M&A BD Electronics

Features

  • Capacity: 3500mAh;
  • Voltage: 3.7V;
  • 4 Pcs MJ1 3500mAh 10A 3.7V Rechargeable Flat Top Li-ion LG 18650-Battery
83%
Our Score

Review

When I tested this battery, it exceeded all my expectations. It is advertised as 3500mAh capacity. Besides, its three-layer protective circuits keep the battery and the devices in use safe from overheating, overcharging and over-discharging. 

Its performance will barely degrade even after 500 cycles of charge and discharge. Hence, this battery ensures high performance for years to come. It is a good quality product and delivers unbeatable performance with high-end products. The structure of the battery is made sturdy to resist abuse.

The price of this battery is at the higher side. However, its performance and longevity are also beyond comparison. You will not hesitate to pay the price to enjoy its everlasting performance.

Things We Liked

  • Equipped with protected circuit;
  • High performance;
  • Excellent quality. 

Things We Didn’t Like

  • No cons.

9. Galapara 2pcs 3.7V 3400mAh Rechargeable Li-ion Lithium Battery

Galapara 2pcs 3.7V 3400mAh Rechargeable Li-ion Lithium Battery

Features

  • Capacity: 3400mAh;
  • Voltage: 3.7V;
  • Packaging includes: Two pc Rechargeable Li-ion Lithium Battery with PCB Protected Board.
92%
Our Score

Review

I recommend this battery from Galapara to those, who never hesitate to invest in quality products. In terms of electronic items, the more you play, the more quality, performance and longevity you receive. These batteries are an ultimate powerhouse, destined to serve you for years, made to resist wear and tear of abuse and to last longer.
These batteries are different in dimension than other 18650 batteries available in the market. To make it extra safe, the identical protective circuit has been built into it. This pair of batteries are made to stay safe from overheat, overcharge and over-discharge.
Not every device is compatible with these batteries. If you are lucky enough, your led flashlight torchlight of headlamp may suit this unit and amaze you with the battery’s performance. These batteries are excessively pricey.

Things We Liked

  • Comes with protection;
  • Impact resistant construction;
  • Long warranty. 

Things We Didn’t Like

  • Expensive.

10. Panasonic 18650 Batteries-(Model No NCR18650B)

2 Panasonic NCR18650B 18650 Battery

Features

  • Capacity: 3400mAh;
  • Voltage: 3.7V;
  • Packaging includes: Two pc Panasonic 18650 Batteries.
79%
Our Score

Review

I recommend this battery from Panasonic to those, who never hesitate to invest in quality products. In terms of electronic items, the more you pay, the more quality, performance and longevity you receive. These batteries are ultimate power house, destined to serve you for years, made to resist wear and tear of abuse and to last longer. 

These batteries are different in dimension (Height: 69.35mm, Diameter 18.73mm)than other 18650 batteries available in market. To make it extra safe, identical protective circuit has been built into it. This pair of batteries are made to stay safe from overheat, overcharge and over discharge.

Not every device is compatible to these batteries. If you are lucky enough, your flashlight of head lamp may suit this unit and amaze you with the battery’s performance. These batteries are excessively pricey.

Things We Liked

  • Highest capacity battery;
  • Comes with protective circuit;
  • Charges very fast. 

Things We Didn’t Like

  • Different dimension may not be compatible to many devices;
  • Very expensive. 

Conclusion:

Hope you’ve got the idea about how to select the proper 18650 battery for your device.

We need to use these batteries in our everyday life.

It is not so tough to buy a 18650 battery for your flashlight or vape.

You’ll find many renowned companies producing them like- Panasonic, GMT, Sony and more. You can choose any of these brands and rely on them without any doubt.

I’ve also listed some reputed brand’s battery in this buying guide which will make easy your selection process.

So go through this guideline and pick the right one for your device to have a smooth operation.

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