Lithium-ion batteries are tough little dynamos, storing up a ton of electrical power so that it can be unleashed and power up many of our favorite appliances and tools. The Lithium-ion 18650 battery is one type of Lithium-ion battery and can often be found powering everything from the Makita 36 volt Lithium-ion chain saw to solar window chargers. These batteries are used in many electronic devices due to their size and ability to hold a great deal of electrical charge. If you are searching for a charger, then you’ve come to the right place as in ourTop 10 Best 18650 Battery Chargers & Guide below, you’ll come across some of the top 18650 battery chargers on the market.
- Top 10 Best 18650 Battery Charger:
- Table of the Best 18650 Battery Chargers:
- 1. EBL Battery 992 Universal Charger
- 2. EASTSHINE S2 Universal Battery Charger
- 3. Battery Charger smart digital display For 1.2V 3.7V Rechargeable Batteries
- 4. Nitecore New i4 2016 Intellicharger Smart Battery Charger
- 5. Zanflare C4 LCD Display Speedy Universal Battery Charger
- 6. DKMHA 2-Bay Smart Battery Charger
- 7. EBL 839 Lithium Battery Charger and 2 EBL 18650 Lithium-ion Batteries
- 8. SEANADO Intelligent Universal Battery Charger
- 9. Efest LUC V4 Four slot LCD Universal Charger
- 10. Sunflower Rich LCD Display Speedy Universal Battery Charger
- How to Choose a 18650 Battery Charger
Top 10 Best 18650 Battery Charger:
However, these little power houses have an issue. They must be charged the right way, or you risk the possibility of an explosion. You cannot charge these batteries using a standard battery charger, they need a precise voltage and limited current. That being said, how can we take these energy dense packets of power and recharge them without worry or incident? The answer is to purchase battery chargers which are specifically designed to handle a 18650 battery.
This is imperative, as these battery chargers will be ‘smart’. This means they will be able to automatically sense the type of battery, and adjust the current accordingly. Remember, with lithium-ion 18650 batteries, you must charge them with the proper current. As you can see, recharging your 18650 is no small matter, so you came to the right place, because we’ve assembled a nice group of Smart 18650 battery chargers that come equipped with everything you’ll need. Remember 18650 batteries come in 3 types: IMR18650 Lithium Manganese Rechargeable, INR18650 Lithium Manganese Nickel Rechargeable, and ICR18650 Li-Cobalt Rechargeable, so make certain you choose a charger that takes care of the battery type you have.
Table of the Best 18650 Battery Chargers:
1. EBL Battery 992 Universal Charger
Buy now from Amazon → From laptops to everyday electrical devices, the 18650 Lithium-ion battery is your best friend when it comes to keeping them running. If you’re tired of having to wait until your regular battery charger has done it’s task, then the portable EBL is most definitely for you.
The EBL Battery Charger is an amazing little bit of technology, as it chargers your batteries up super fast, which means you save valuable time. The EBL is known as an ‘Intelligent Charger’, due to iQuick Technology, and comes with 2 charging slots and is compatible with 18650, 16340, 26650, 18500, 14500, 22650, 17670, 18490, 14500, 10440 Lithium ion, AA/AAA, C Ni-MH Ni-CD rechargeable batteries. Features include MCU Technology, overtime safety feature, and LED indicator light.
2. EASTSHINE S2 Universal Battery Charger
Buy now from Amazon → The S2 Universal Battery Charger by EASTSHINE will easily charge 2 batteries independently, at the same time in its 2 slots. Its integrated LCD display alerts you to the batteries progress, and the 2 buttons you see on the side of the charger, handle selection of battery type and current.
The S2 takes the guesswork out of charging your batteries, as it automatically chooses the proper voltage for each individual battery type. The automatic shutoff conveniently kicks in when each battery is completely charged, plus it has overcharge and over heating protection, so you never have to worry about your battery being over charged or your charger becoming damaged.
The list of compatible batteries is quite a long one, and includes: Lithium-ion, IMR, INR, ICR, LiFePO4: 26650, 22650, 18650, 18490, 18350, 17670, 17500, 16340, 14500 and 10440.
3. Battery Charger smart digital display For 1.2V 3.7V Rechargeable Batteries
Buy now from Amazon → With the Basen BO4, 4 Slot Intelligent Universal Battery Charger, you get 4 independent slots which will allow you to charge different lithium batters simultaneously, with each slot alerting you to the status of that particular battery. This intelligent battery charger is able to sense battery status, and automatically shuts off when charging is complete.
Features include, overcharge and over heating protection, status display, and the ability to choose your speed, such as 0.5 amps, 1 amp, or 2 amps. The BO4 is a universal battery charger which means it can handle the following batteries: Lithium Ion/IMR 10440, 14650, 14500, 17670, 16340, 18500, 18700, 22650, 20700, 21700, 22700, 25500, 26650, and 26700. The BO4 is CE/RC/ROHS certified.
4. Nitecore New i4 2016 Intellicharger Smart Battery Charger
Buy now from Amazon → The Nitecore i4 is a universal intellicharger manufacturered from durable ABS. This smart battery charger will know exactly what type of battery you place in its slots, and be able to charge it accordingly.
So, no more guesswork on your part, no buttons to push, no worries! Charging modes include: Constant Charge Voltage, Trickle Charte and Constant Charge Current. Each slot will monitor the progress of each battery, and do it independently with color LED indicator lights alerting you to that status of each battery.
Features include reverse polarity protection, over charge protection, automatic shutoff when batteries are fully charged. The list of compatible batteries include Lithium Ion/IMR 26650, 22650, 18650, 18350, 18490, 17670, 17500, 14500, 16340(RCR123) Ni-MH-Cd(AA,AAA,AAAA,C).
5. Zanflare C4 LCD Display Speedy Universal Battery Charger
Buy now from Amazon → The Zanflare LCD Display, Speedy Universal Battery Charger, offers you 4 separate charge options: 300mA, 500mA, 700mA and 1000mA currents, while the built-in LCD display alerts you to the status of each battery.
This is a universal, ‘smart’ battery charger is made from durable ABS plastic, with 4 slots which can charge up to 4 different batteries at the same time. The Zanflare offers you overcharge, over discharge, battery reverse polarity, and overheating protection.
The C4 has 3 functions: Charge, Fast Test, and NOR Test. Your purchase will include the C4 Zanflare battery charger, as well as 1 power adapter for the house, and 1 charger for your car. The front of the C4 has a mode button and a current button, and the bottom has a USB output and power input.
6. DKMHA 2-Bay Smart Battery Charger
Buy now from Amazon → The DKMHA 2-Bay Smart Battery Charger is an ‘intelligent’ battery charger which detects the type of battery placed in one of its 2 slots, and charge it accordingly. Each slot comes with its own LCD indicator light to keep you abreast of the actually battery charging showing the charging going up in increments of 25, 50, 75 and 100 percent.
You get 2 different charging options, 500mA and 1000mA, and its USB output allows you to charge your smartphones and other devices. This universal charger is compatible with the following batteries: A AA AAA AAAA C SC Battery, Li-ion LiFePO4 IMR, INR, ICR, 26650, 25500, 22650, 18650, 18490, 18500, 18350, 17670, 16340, RCR123A, 14500, 10440, and Ni-MH Ni-Cd Batteries.
7. EBL 839 Lithium Battery Charger and 2 EBL 18650 Lithium-ion Batteries
Buy now from Amazon → The EBL 839 Lithium Battery Charger is CE and RoHS certified and comes with 2 EBL 18650 batteries. The EBL 839 has two battery charger slots, and is compatible with 16340, 14500, 10440, 18500, and 18650 lithium ion batteries.
The battery charging rate for the EBL 839 is over 80 percent. A steady and constant current is provided with MCU Control Technology, and the easy to see indicator light lets you know when your battery is fully charged by turning red. The accompanying Lithium-ion, 18650 batteries are environmentally friendly having no HG/CD/pb’s.
8. SEANADO Intelligent Universal Battery Charger
Buy now from Amazon → The SEANADO Intelligent Universal Battery Charger comes with 2 battery charging slots where you place any of the following compatible batteries: Lithium-ion 18490, 18650, 18350, 17670, 17500, 16340(RCR123), 14500, Ni-MH/Ni-Cd, A, AA, and AAA batteries. Each slot will charge the inserted battery with the appropriate current automatically.
Above each slot, you’ll notice there is an easy to view LCD display. The display functions to alert you to the battery charging status, letting you know when your batteries are fully charged. The SEANADO will automatically stop when charging is complete. Features include a Micro USB, temperature monitoring, over heating protection, and auto shutoff. This charger is compliant with UL, cUL, GS, TUV, PSE, FCC, CE, C-TICKCB, ROHS.
9. Efest LUC V4 Four slot LCD Universal Charger
Buy now from Amazon → The Efest LUC V4 Four Bay LCD Universal Charger comes with 4 independent slots. As a ‘smart’ battery charger, it will monitor the charging process and alert you when the battery is fully charged.
As for protections, this unit comes with reverse polarity protection, over charge protection, short circuit protection and a Zero Voltage Activation feature. The LUC V4 is designed to charge up Lithium-ion batteries including 14500, 10440, 14650, 18500, 17670, 18650, ‘18700, 26500, and 26650.
If you require 15270 or 14250 batteries to be charged, it can handle those as well, but you’ll need spacers. With 2 USB ports, the LUC V4 can also charge up your smartphones, iPads, MP3 players among other devices.
10. Sunflower Rich LCD Display Speedy Universal Battery Charger
Buy now from Amazon → The Sunflower Rich LCD Display Universal Battery Charger is a ‘smart’ battery charger, meaning that it will sense the type of battery placed in one of its 4 bays or slots, and automatically use the correct current to charge it. Each of the 4 bays work independent of the other, which lets you charge up to 4 batteries at the same time.
This charger has a really nice, large LCD display panel which monitors the charging process. Features include automatic shut off when fully charged, over charge protection, temperature monitoring, and reverse polarity protection.
Here is a list of batteries which are compatible with the Sunflower Rich: Lithium ion/ IMR/ LiFePO4: 10440, 14500, 17500, 17670, 18490, 16340(RCR123), 18350, 18650, 22650, 26650, Ni-MH/Ni-Cd, AA, AAA, AAAA and C.
How to Choose a 18650 Battery Charger
Battery chargers are basic and simple pieces of technology. For the most part they come equipped with vents, an LED display screen, indicator lights, charging bays, or slots, and positive and negative terminals.
While they are indeed simple to understand and use, we have decided to include this handy, brief buyers guide just in case you may have questions regarding their purchase. Please do not think you can safely charge your Lithium-ion 18650 battery using a conventional charger. Choose one specifically made to charger 18650 Lithium-ion batteries only.
What Type of Batteries Do You Need it For?
This might sound elementary, but you really do need to double check to see if the charger can handle the batteries you need to charge. For instance, if you notice in our review above, there are some that can handle AA, AAA, AAAA size batteries, while others cannot. If you require a charger for lithium ion 18650 batteries, consider if you or another member of your household could use a charger that also handles the other type. Remember there are 3 kinds of 18650 batteries: IMR18650 Lithium Manganese Rechargeable, INR18650 Lithium Manganese Nickel Rechargeable, and ICR18650 Li-Cobalt Rechargeable
Smartphones and Other Devices
What about the added benefit of charging up your smartphones and other devices, such as your iPad or MP3? Well, if this is a concern for you, take a look and make certain that your charger of choice comes with 1 or more USB output ports.
Bays, or slots are where you’ll insert your battery to charge it. Some battery chargers have 2 bays, while others have 4. It’s also a very good idea to make certain that your battery charger is made from durable, ABS plastic with the appropriate venting to help keep it cool.
Is it ‘Smart’?
Most definitely, you should choose onlyl choose a ‘smart’ battery charger for Lithium-ion 18650 batteries. A smart battery charger will be able to monitor the charging process which guards against over heating, over charging, and reverse polarity protection, preventing your 18650 battery from exploding due to being over charged. These types of chargers will sense the type of battery inserted, and automatically provide the proper current (CC, CV, dv/dt), without you so much as pressing a button. Even though smart battery chargers do their job on their own, it cannot hurt to know how to calculate charging time:
- Capacity(mAh) / Current (mA) = Total Time Charging
- So, if your 18650 battery has 3500mAh and the current is 500mA:
- 3500mAh / 500mA = 7 hours Charging Time.
First and foremost, let us remind you that the Lithium-ion 18650 is most definitely not a AA battery. Even though they are cylindrical in form and just a bit larger and fatter than AA’s, they are an entirely different type of battery. You’ll usually find the 18650 battery nestled snuggly powering your laptop or fueling your laser pointer, or some digital cameras.
They are rechargeable, but must only used a battery charger which is built to handle the job, or an explosion may occur. It may seem daunting when you go and search for a charger, but really, its a simple affair.
Simply make your choice based on how many slots the charger has, the dependability of the brand name, will you a USB output port to charge smartphones or other devices? All of the chargers in our Top 10 Best 18650 Battery Chargers and Guide come from outstanding manufacturers, are ‘smart’ and fully capable of handling your 18650 lithium-ion batteries.