11 Best 18650 Battery Chargers (2024)

One thing that stands out about the Li-ion 18650 batteries is their ability to hold an incredibly huge amount of power. They supply enough juice to power up your electronic gadget(s) for hours or even days whether at home, office or on travel.

Unlike other batteries that depreciate in capacity in less than 1000 charging times, Li-ion 18650 batteries maintain their ability to hold power for a very long time. Now, for batteries of such caliber, you need chargers that match their value.

Unfortunately, all 18650 battery chargers aren’t made equally. With us are the 11 best 18650 battery chargers for you!

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11 Best 18650 Battery Chargers

#1 Universal Battery Charger EASTSHINE S2 LCD Display Speedy Smart Charger

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Spearheading our list of top-notch suggestions, this is one of the best-selling 18650 chargers. Of course, it’s a universal charger. I mean, besides using it for Li-ion 18650 batteries, you can also utilize it for other models such as 26650, 18500, 18350, 22640, 16430, 26500, and other many options.

As you would expect from a charger of its class, Eastshine S2 Universal Battery Charger conforms to all international safety standards. For this reason, it will remain safe for you, your batteries, and electrical devices as well.

The most delighting part about the charger is in its ability to charge batteries fast. With this accessory, you will be able to charge 2000 mAh batteries in 2 hours while 800mAh batteries will only take 0.8 hours to hit their capacity. 3400 mAh batteries will require 3.5 hours whereas 2500 mAh cells will take an hour less of this time.

After inserting your battery, the charger makes use of its natty technology to detect the type of battery and select the perfect current for the battery. The smart technology also cuts off power when the batteries are full for longer lifespan of the cells.

  • It is a universal charger.

  • It is very fast.

  • It complies with safety standards.

  • It uses smart technology to perfectly handle different batteries.

  • The instructions aren’t up to par.

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#2 Snado LCD Display Universal Smart Charger

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This battery is also a universal version. Hence, it will handle 18650, 18490, 14500, 17670, 17500 Li-ion batteries among other many models. The charger provides dual charging modes, that is, 0.5A and 1A.

The charger may not be as quick as the predecessor, though, but it still gets the work done faster than most members of the competition. It juices up a 2000-mAh AA battery in about 2 hours while an 800-mAh AAA battery will take about 1.2 hours.

The charger offers 2 charging slots to allow you charge 2 batteries simultaneously without having to rely on turns. And since the two slots work independently, you can use a slot at a time or utilize the two for different cell types.

The 2 LED indicators show when the battery is charging whereas the high-definition LCD shows the battery status and the estimated remaining time to reach full charge. The rails are of stainless steel so they are more durable than those of most models.

For safety and long lifespan, the charger will automatically cut off power when the batteries are full or when the temperature of the batteries or the charge is too high.

  • It has temperature protection.

  • The slots are independent.

  • It has wide battery compatibility.

  • The LCD is easy to read.

  • It may arrive with minor scratches on the face.

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#3 EBL Smart Rapid Battery Charger

EBL Smart Rapid Battery Charger

Since this product is ETL-certified, we can safely say that it is made with safety as the utmost priority. It offers dual charging slots that will take 1 to 2 compatible batteries of the same model or different kinds at a go.

The 2 slots cut charging time by half so that you use less time in charging and more hours with your electrical gadget(s). In fact, with the iQuick Charge technology offering up to 500mA±50mA, this charger will get the work done in a fraction of the time it takes most models out there.

The MCU controlled technology stops charging when the battery is full for safety. Other safety features include overheating protection, over-current protection, over-circuit protection, among others.

The package includes the 2-slot charger, an AC adapter, and a user manual that feeds you with every bit of information on safety and how to use the charger. The internationally-accepted charger has 3 LEDS on top of every slot to indicate the battery charging progress.

  • The indicator lights are bright enough.

  • It charges batteries fast.

  • It packs several safety features.

  • The price is reasonable.

  • It does not have a reverse polarity protection feature.

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#4 Zanflare LCD Display Speedy Universal Battery Charger

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Our number 4 option on the list will take up to four batteries at a go. Hence, if you have several electrical gadgets that use rechargeable batteries, you will find it to be of great help to you.

Each slot works separately. Thus, you can select the ideal charge current for every battery. The available charge currents include; 300 mA, 500 mA, 700 mA, and 1000 mA. The high-definition LCD lights up when a battery is inserted, making it easy to tell when you have inserted it incorrectly or when the battery is damaged.

Zanflare LCD Display Speedy Universal Battery Charger is also a multi-compatible charger. The piece works with models such as 18650, 26650, 26500, 22650, 16340, 14500, 17670, 17500, and other commonly used rechargeable batteries in torches, cameras, and other electrical accessories.

With 8 protections, this charger is among the safest models you will ever come across in the market. The battery reverse polarity protection makes it more than just an ordinary battery charger.

  • It is very sturdy.

  • It shows essential battery information.

  • It has 4 independently-managed slots.

  • The charger is easy to use.

  • It does not have a discharge mode.

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#5 Keenstone Smart Universal Charger LCD Display

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This package includes a charger, an AC adapter, a car adapter, and a user manual. The charger provides four independent charging slots. With all these slots, expect the unit to handle all your charging needs at once.

The charger boasts impressive compatibility. I mean, besides the common 18650 Li-ion rechargeable batteries, this unit will also go with other battery versions including but not limited to 26650, 25500, 22650, 18350, 17670, 16340, RCR123A, 14500, and 10440 batteries.

The charger offers dual charge current options, that is, 500mA and 1000mA to meet a variety of your needs at once. The large LCD monitors the battery statuses and displays essential information for every slot such as voltage, current, and time.

The battery complies with different international safety standards. For this reason, you can buy it with a peace of mind that it won’t cause more harm than good as with some options in the market.

  • It gives a ton of useful battery information.

  • The output is adjustable.

  • It feels very solid.

  • It does not warm during use.

  • It is a little bulky.

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#6 Basen Smart Rechargeable Battery Charger

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If you are a frequent traveler looking for an ideal travel charger, then, this model will be a good investment. The charger makes use of a slim design that takes minimal space on your backpack when still boasting the functionality of other large and expensive models.

It also has incredible compatibility so you can use it for different battery models and sizes. It packs four charging channels, among the best capacities you will get in the market. With this feature, you can charge up to four similar or different rechargeable lithium-ion batteries at the same time.

The most delighting feature is that each slot is independent of the other so you can select the charging current mode to match the cell requirements. The UL certification meets the minimal safety threshold including the strictest North America safety standards.

The temperature adjustment feature maintains a safe operating temperature. However, in case the charger or the battery overheats by any chance, this unit switches off automatically to curb potential hazards.

  • It indicates the battery level seconds after insertion.

  • It charges at a decent rate.

  • It has an ultra-slim design.

  • It is very portable.

  • It will suck a little amount of power if you leave batteries unremoved after a full charge.

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#7 Unzano LCD Display Universal battery charger

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With also four battery slots, this battery charger allows you to recharge four batteries in a quarter of the time it would have taken when using a single-channel version.

Also boasting great compatibility, this battery charger will handle a very wide range of battery types ranging from Li-ion, IMR, INR and LifePO4 (3.6V) batteries to NiMH and NiCD battery models. Each slot lets the user adjust the current to either 500 mA, 1000 mA or 2000 mA.

The unit features a sturdy and fire-retardant construction for long-lasting performance. The heat dissipation design along with other features implications that this universal charger is designed with safety and durability in mind.

The large screen display shows important information on each battery such as voltage, current, charging time, mode, battery capacity data, and other useful data you may want to know. After remaining idle for a minute, the LCD backlight darkens to reduce charging time.

  • It offers three charge current choices.

  • The LCD is large and provides helpful data.

  • The material is fire retardant.

  • It is a versatile battery charger.

  • It takes a few seconds after inserting the battery to display data on the screen.

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#8 MiBOXER LCD Display Smart Battery Charger for Rechargeable Batteries

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Also on the list, this rechargeable battery packs tons of fantastic properties that make it among the market’s top options.

The charger uses an intelligent technology that automatically detects the battery seconds after inserting it. If the battery is found healthy, the charger proceeds to juice it up. However, when found faulty, the LCD shows “err” and stops charging immediately.

After the battery is full, the same screen displays “full” and stops charging to keep the cell healthy. The four battery channels independently detect the battery types and employ the ideal charging current for every time to help conserve the lifespan of the battery.

When it comes to versatility, MiBoxer Universal Battery Charger goes with a variety of batteries such as 18650, 26650, 26500, among other battery kinds. The two yellow buttons allow the user to access essential battery information and are easy to operate.

  • It is simple to use.

  • It charges batteries quickly.

  • It makes use of intelligent technology.

  • The cord is long and very sturdy.

  • Setting the charging rate for every battery can be tedious.

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#9 NITECORE New i4 Battery Charger For Li-ion

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This charger comes as an upgrade to the previous version. Unlike the earlier model that came with two battery channels, this option holds up to four batteries of different types. This feature means that it will charge every 4 batteries in half the time it would have taken the previous model.

The charger makes use of a solid ABS material which is also flame resistant for long-lasting performance. You can use the charger for different battery types such as 1.2V, 3.7V, 4.2V, and 4.35V batteries.

The accessory uses a very smart technology that prevents charging and notifies the user when it detects non-rechargeable lithium-ion batteries. The same technology selects the suitable current for each slot depending on the capacity of the respective batteries.

Also, most people like that the charger has reverse polarity protection. This safety feature not only protects the battery but also the charger. The overcharge protection stops charging after 20 hours so that you won’t have to worry that the charger will overheat.

  • It comes with a 12V plug.

  • It provides the correct amperage for battery automatically.

  • The battery has overcharge protection.

  • It has overheat protection.

  • It isn’t the fastest 4-slot charger in the market.

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#10 Nitecore Smart Battery Charger for Li-ion IMR Ni-MH NiCd

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Like all the other chargers in this model, this 18650 battery charger also adopts a universal design. Hence, if your gadgets are running on different types of rechargeable batteries, you will like how this charger will provide solutions to all your charging needs.

Among the compatible batteries are; 18650, 10340, 10350, 10440, 10500, 12340, 12500, 17500, 17650, 18350, 18490, among other many varieties.

The charger comes equipped with 4 battery channels. Therefore, this unit can charge up a maximum of 4 batteries simultaneously. And since each battery slot is independent of the others, you can juice up different battery types concurrently.

The Active Current Distribution (ACD) Technology catalyzes the charging process without causing damage to the batteries. For this reason, this device guarantees to get the work done faster than most of the models out there.

After feeding the battery, this charger will accurately detect the battery capacity and display the charging progress. The charger complies with safety requirements and even comes with a user manual that gives the user safety instructions when using it.

  • It monitors the charging progress of each cell independently.

  • It utilizes a flexible design.

  • The manual is very helpful.

  • ACD technology improves its performance.

  • The package does not include a car charger.

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#11 Victagen Universal Smart Charger

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If you are looking for a small but powerful 18650 battery charger, then you won’t get it wrong here. The unit adopts a compact design for enhanced portability and that is why it only has two charging slots. Each battery is designed to operate individually, making it easier to monitor the battery and employ the necessary action depending on the status.

The independent design also means that every slot can handle a different type of battery from the other at the same time. I mean, you can use one slot to charge a Li-ion battery and the other for Ni-MH battery and still end up getting the work done perfectly as if you were charging the same battery types.

The sturdy ABS construction implies that the charger is made with durability in mind whereas overheat, reverse polarity, and overcharge protections guarantee user safety.

Once you order for the charger, the manufacturer sends it with two durable 18650 batteries as a gift. Each battery capacity has an impressive capacity of 3200 mAh that will power up your gadget all-through when on a journey.

Another commendable feature about this charger is its ability to double up as a powerbank. I mean, with this unit, neither of your gadgets will ever run out of power even when away from a power source.

  • It is very small but powerful.

  • It doubles up as a powerbank.

  • It comes with two 18650 Li-ion batteries.

  • It handles each battery individually.

  • It only offers 2 charging slots.

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Frequently Asked Questions (FAQS)

What is the meaning of mAh?

Ever wondered what “mAh” means on batteries? Well, it’s an abbreviation of Milliamp Hour. It simply indicates the maximum energy the battery can hold. You can think of it as the maximum amount of ‘juice’ the battery holds.

What is meant by 1 Ampere?

Milliamps (mA) indicate the rate at which electrons flow through a conductor. In simple terms, it is a rate at which battery gives power. It can also be expressed in Amps (A). 1000 milliamps (mA) are equivalent to 1 Ampere.

How many hours does a 4000mah battery last?

The number of hours a battery will last will depend on the capacity (mAh) and the electron flow rate. Hence, a 4000 mAh battery will last for 10 hours when giving 400 milliamps (0.4 A) of power.

What do I consider when buying an 18650 battery charger?

Before you buy this charger, ensure that you take into consideration things like the versatility, charging speed, the number of batteries it can take, LCD, and other features.

Does a higher mAh battery give more power?

Yes. Since it simply indicates the battery capacity, a higher mAh means a larger amount of energy stored in the battery while a lower mAh rating indicates that the battery holds a little amount of ‘juice’.


A battery charger is a must-have accessory for anyone with gadget(s) running on rechargeable batteries. The quality of the charger affects the battery life and the performance of the electrical device in return.

Hence, choosing the right battery charger is very essential. That explains why we have put together this list of top-rated 18650 battery chargers.

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Last update on 2023-09-30 / Affiliate links / Images from Amazon Product Advertising API

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