10 best 21700 battery charger Of 2022 With Latest Trends

Do you want to find the best 21700 battery charger? Whether you are looking for a new one or just want to compare your options, this guide will help.

Our team has spent countless hours researching and comparing 21700 battery chargers of all specifications to find the best one for any purpose and suggest some of the best models on the market (or price range). These detailed results for you.

The 10 Best 21700 battery chargers of 2022: Latest Trend, Top Rated and Reviews

RANK No. 1
Fenix are-D1 USB Powered Smart Battery Charger for 21700/18650/16340...
  • Compatible with Battery Types 26650、21700 18650、16340 14500、10440 AA AAA C
  • Batteries NOT included
  • USB powered battery charger
  • Single charging bay
  • Bundle includes EdisonBright BBX5 battery carry case
RANK No. 2
Fenix are-A2 Smart Battery Charger for 21700/18650/16340 with...
  • Charge 1 or 2 batteries at the same time
  • Compatible Batteries 10440 14500 16340 18650 21700 26650 Ni-MH / NiCd: AA, AAA and C
  • Multiple levels of protection Short-Circuit Protection Over-Current protection, Over-Voltage protection, Reverse Polarity protection,
  • LCD screen display
  • Bundle includes EdisonBright BBX5 battery carry case
SaleRANK No. 3
POWXS Universal Lithium 18650 Battery Charger for 3.7V Li-ion 18650...
  • ⚡⚡⚡High Speed Charging: With POWXS advanced charging technology, POWXS 18650 battery charger delivers a blazing fast charge to your batteries, max 950mA each slot output for 3.7V batteries and max 450mA each slot output for 1.2V Ni-MH batteries , provide the fastest possible charge to all Brand C/AAA/AA batteries and 3.7V batteries in 4 hours. Good efficiency to save a lot time for you !
  • ⚡⚡⚡Micro-USB& Type-C Dual Input: universal Micro-USB& Type-C dual input , POWXS Universal 18650 battery charger can adapt for any 5V 2A power bank, computer , car charger, USB Wall Charger etc. POWXS 18650 charger can freely charge batteries any time and anywhere.
  • ⚡⚡⚡Universal Battery Charger: POWXS 18650 battery charger can charge for any 1.2V Ni-MH C AA AAA batteries and 3.7V 18490 18350 17670 17500 16340(RCR123)14500 18650 Li-ion Batteries, easily charge 1 -4pcs of different kinds of batteries at one time , which is your home life good partner and the reliable travel friend.
  • ⚡⚡⚡Multi Protection : POWXS smart battery charger adopted high quality fire-proof material, along with multiple protection technologies, could effectively keep your battery away from over-charging, over-current, over-voltage, over-heated and short circuit, etc. Which eliminate your worries about fire/explosion/battery leakage.
  • ⚡⚡⚡Smart LCD Display: With smart LCD display, POWXS Universal AA AAA battery charger can easily let you know about the charging process. The LCD display could not only flash to show the real-time power capacity when charging, but also identify the bad batteries and give signal, make your charging experience more intelligent.
RANK No. 4
IMREN 18650 Battery Charger for 3.7V Li-ion Rechargeable Battery 18650...
  • 【IMREN 18650 Battery Charger】- Compatible for 3.7V Li-ion Lithium-ion IMR INR ICR 26650 25500 22650 18650 18490 18500 18350 16340 RCR123A 14500 10440 Rechargeable CR123 CR123A Li ion Batteries.
  • 【Extremely Compact & Convenient】- This 18650 battery charger is small enough that you can throw it in your pocket or purse, the best choice for traveling.
  • 【IMREN USB Battery Charger】- The intelligent battery charger comes with worldwide usage USB input, applicable for 5V/2A power bank, computer, car charger, USB wall charger, etc.
  • 【IMREN Smart Charger】- Input: DC 5V/2A,Output: 4.2V/2*1A(1000mA).2 slots work independently each slots is powered with 1A (1000ma), it will stop once completing charge intelligently. Really smart and fast battery charger for you.
  • 【NOTE:】 -IMREN provides 24-hour after-sales service and will serve you wholeheartedly.Don't charge any non-rechargeable batteries, it will be danger.
RANK No. 5
Nitecore UMS2 Intelligent USB Dual-Slot Quick Battery Charger for...
  • FAST AND EFFICIENT CHARGING- Reach a maximum total of 4000mA for two slots, 3000mA for one slot when pairing with a 9V QC2.0+ output USB power source. Reach a maximum 1000mA charging current per slot when paring with a standard 5V/2A USB source.
  • LCD DISPLAY- Reports key realtime information such as battery health, charging status and charging mode.
  • INTELLIGENT CHARGING- Automatically selects appropriate charging current and voltage to protect the batteries and prolong its lifespan
  • BATTERY TYPES & SIZES - Compatible with various battery types (li-ion/imr/lifep04/ni-cd/ni-mh) and common battery sizes including (18650, 16340,14500, rechargeable AA, AAA).
  • PERFECT FOR TRAVEL AND EDC - This bundle includes a LumenTac battery organizer to keep you organized when you are on the go.
RANK No. 6
Nitecore UMS4 Intelligent USB Four Slot Quick Battery Charger for...
  • FAST AND EFFICIENT CHARGING- Reach a maximum total of 2000mA when using a 2A output USB power adapter. Connect a quick charge (QC) power adapter for high speed charging and reach a single slot max output of 3000mA.
  • LCD DISPLAY- Reports key realtime information such as battery health, charging status and charging mode.
  • INTELLIGENT CHARGING- Automatically selects appropriate charging current and voltage.
  • BATTERY TYPES & SIZES - Compatible with various battery types (li-ion/imr/lifep04/ni-cd/ni-mh) and common battery sizes including (18650, 21700, 16340,14500 and more).
  • PERFECT FOR TRAVEL AND EDC - This bundle includes a LumenTac battery organizer to keep you organized when you are on the go.
RANK No. 7
Protected 21700 Charger XTAR New X2 3.7V 2 Bay Universal Battery...
  • XTAR Universal Charger: XTAR New X2 extended version can charge all protected 20700 and 21700 batteries and 3.6V/3.7V 14500-26650 Li-ion batteries, 1.2V Ni-MH and Ni-CD batteries, Charge for all your flashlights batteries.
  • 18650 Fast Charger: As a Smart charger, it can Intelligently select the charging current among 0.5A for 2 slots, 1A for 2 slots and 2A for 1 slot, and fully charge a 18650 2500mAh battery in 1.5 hours with 2A current.
  • Two Input Ports, More convenient: With AC input port and Micro USB input port, powered by the power cord and AC input port indoors ( Come with AC Adapter), or phone adapter and Micro USB port for outdoors charging.
  • LCD dispaly battery charger , Innovative dial-LCD screen display power percentage, battery voltage, charge current, battery charged capacity. Compared to other chargers, it’s much easier for you to know the real status of your batteries.
  • Nice Gift Choice, Package : 1* New X2 Charger(Without Battery), 1*Power Cord, 1*Manual. (Stickers and battery sleeve will be randomly given as gifts). Any quality problems or questions, just feel free to contact us.If specific instructions are required, you may contact us via Amazon message for an electronic file user manual. If the product is damaged during transportation , please let us know and we will send a new one to you from Texas warehouse
RANK No. 8
18650 Charger XTAR VC4H Battery Charger 4 Bays New 2021 Updated 21700...
  • 4 Bay Universal Charger Charges Simultaneously almost all types Rechargeable Batteries of Multiple Different Specifications:3.6V/3.7V LI-ION/IMR/INR/ICR: 10440 14500 14650 16340 17335 17500 17670 18350 18490 18500 18650 18700 20700 21700 22650 25500 32650; 1.2V NI-MH NI-CD: AAAA AAA AA A SC C D. (Note: It can charge protected 20700 21700 batteries)
  • 4 Pack Cells Digital LCD Display Smart Charger: Automatically detect battery status, select charge mode. LCD screen shows Charging current, Battery voltage, Battery charged capacity( Put into the batteries Capacity , not the battery full capacity), Battery types and channels. You can know the charging status clearly
  • 18650 High Quality Charger: Type-C Powered (Can't use 100W USB-C to USB-C cable)), compatible with all 5V USB power. It can choose 2A/1A/0.5A charging current, (Note: Recommend 5V / 3A power source or above to maximize efficiency.)
  • Your Safety First: Passed many international safety and quality certifications, such as RoHS, CE, FCC, and so on. With Intelligent Circuits, Fire Retardant Materials. Please confirm your battery is genuine / not damaged / Rechargeable before charging
  • What You Get: 1*XTAR VC4H Universal 4 Slots updated 2022 Household Battery Chargers, 1*manual, 1*USB cable, , (Package Not including batteries and adapter)
RANK No. 9
8 Bays 18650 Charger USB C 21700 Battery Charger XTAR VC8 Type C 3A...
  • Type-C port, max 3A for a single slot,VA LCD screen shows batteries’ real-time charging status ( Package not including any batteries )
  • 18650 smart charger, Charge Max 8Pcs 21700 Batteries simultaneously, can charge rechargeable 18650 21700 and 1.2V Ni-MH AA AAA C batteries at the same time. Detect the battery type,select the most suitable charging method
  • How to test the real capacity of the battery ? Answer: In grade mode, the charger tests the real capacity by “charging-discharging-fully charging” the batteries, so that users can know whether the battery capacity is over-stated. In storage mode, the charger can charge or discharge the battery to its rated voltage of the battery to maximize the battery life, when the battery is not used for a long time
  • Q&A:【Q1: Charging currents of vc8? A1: 5 optional currents by manual selection:Max 3A for 1 slot, 2A for 2 slots, 1A for 4 slots, 0.5A for 8 slots. 】 【Q2: What adapter can be used to achieve Max 3A charging? A2: With Max 3A for a single slot(CH1&CH8 only), please have power supply with output “9V 2A” and power cable that supports 3A charging current. 】 【Q3: Can it charge 8 pcs protected 21700 batteries? A3: Yes, it can charge them at the same time or independently】
  • Built-in high-precision MCU, over-current, over-charge, over-voltage, and short-circuit protection, combined with XTAR's soft-start function, makes the precision of end-of-charge voltage up to ±1%
RANK No. 10
Nitecore UMS4 USB Universal 4-Port Speedy Smart Charger for...
  • One of the Quickest USB Powered Universal Intelligent Battery Charger, allows for on the go worldwide portability
  • Quick Charge 2.0 Integrated Max Single Slot Output of 3000mA Charging allows for incredibly fast charging speeds with the appropriate compatible adapter
  • Automatic Detection of battery power level and automatic selection of the appropriate voltage and charging mode
  • Li-Ion Battery Restoration and keep your batteries safe with an added battery case
  • Li-Ion, IMR, LiFePO4: 10440, 14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 25500, 26500, 26650, 26700 Ni-MH/Ni-Cd: AA, AAA, AAAA, C, D

Last update on 2022-10-05 / Affiliate links / Images from Amazon Product Advertising API

New Arrival 21700 battery chargers for 2022

CT-ENERGY Universal Smart Battery Charger LCD Display Speedy Charger...
  • [UNIVERSAL BATTERY CHARGER]It can be compatible with a variety types of rechargeable batteries of 1.5V AA/AAA/C lithium battery,3.6V/3.7V Lir2032/Lir2032H/Lir2450,3.7V 18650/18490/18350/17670/17500/21700/16340/AA/AAA/AAAA lithium battery and 1.2V Ni-mh/Ni-cd battery of AA/AAA.
  • [SAFETY PROTECTION]This smart LCD battery charger with Over-charge,Over-current,Over-voltage,Short-circuit,Reverse polarity protection.Please DO NOT charge disposable batteries and others voltage batteries like 3.2V!
  • [FAST CHARGE]It only takes you 1 hour to be fully charged for 1200mWh AAA battery by CT-ENERGY charger.Need 1.5 hours for 3300mWh AA,2 hours for Lir2032/Lir2032H,4 hours for Lir2450 with 60mA charging current.You can charge different type of rechargeable batteries as above at the same time.
  • [COVENIENT to CHARGE]It can plug into Car/Laptop/Powerbank/USB power strip,and more USB adapter with DC 5V/2.0A.Suitable for your daily life!Please use 2.0A USB adapter ONLY! DO NOT use 1.0A adapter.Adapter is not included.
  • [INTELLIGENT LCD DISPLAY]This household battery charger can identify 3.7V, 1.5V and 1.2V rechargeable batteries automatically.(Except USB batteries and Non-rechargeable batteries)Please make sure to charge our batteries by CT-ENERGY battery charger and USB cable!
CT-ENERGY Smart LCD Battery Charger with Lir2032 & Lir2450...
  • MULTI-FUNCTION BATTERY CHARGER.It can match many types rechargeable batteries like 3.6V/3.7V of Lir2032/Lir2032H/Lir2450,1.5V of AA/AAA/C,3.7V of 18650/18490/18350/17670/17500/21700/16340/AA/AAA/AAAA,1.2V of Ni-MH/Ni-Cd AA/AAA.Please DO NOT charge disposable battery and batteries with other voltage!
  • EASY to CHARGE.This universal battery charger can identify 3.7V, 1.5V and 1.2V rechargeable batteries automatically.(Except USB battery and disposable battery) It can plug into Car charger/Laptop/Powerbank,and more USB adapter with DC 5V/2.0A.
  • FAST CHARGING!This smart battery charger can fully charge Lir2032/Lir2032H in 2 hours,Lir2450 in 4 hours with 60mA charging current.Of course 3.6V/3.7V rechargeable coin batteries CAN NOT last long working time as 3V disposable battery!
  • SMART LCD INDICATORS.The LCD light will flash when the rechargeable batteries charger is charging.It will automatically light up full 100% when fully charged.It will show ERR when battery wrongly installed or damaged.The LCD light will go off after 60 seconds when no battery.
  • HIGH WORKING VOLTAGE.Fully charged voltage of Lir2032 or Lir2450 is 4.2V. It works well for electronic devices with high working voltage from 3.0V~4.2V.Perfectly match with CT-ENERGY batteries charger.
CT-ENERGY Household Battery Charger for AA AAA C 18650 Ni-MH Ni-CD...
  • MULTIFUNCTION BATTERY CHARGER.It can charge many types rechargeable batteries of 1.5V lithium battery AA/AAA/C,3.6V/3.7V Lir2032/Lir2032H/Lir2450,3.7V lithium battery 18650/18490/18350/17670/17500/21700/16340/AA/AAA/AAAA and 1.2V Ni-Mh/Ni-Cd battery of AA/AAA.Please DO NOT charge disposable battery and batteries with other voltages!
  • SAFETY PROTECTION.This smart batteries charger with Over-charge,Over-current,Over-voltage,Short-circuit,Reverse polarity protection.It supports different types of rechargeable batteries charging at the same time!
  • FAST CHARGING.It only need 1 hour to be fully charged for 1200mWh AAA by CT-ENERGY universal battery charger,1.5 hours in 3300mWh AA,2 hours in Lir2032/Lir2032H,4 hours in Lir2450 with 60mA charging current.Please use our Type-C cable with 5V/2.0A adapter only when charging,DO NOT use 1.0A adapter!
  • EASY CHARGING.It can plug into Car/Laptop/Powerbank/USB power strip,and more USB adapter with DC 5V/2.0A.Very convenient to charge anytime anywhere!
  • SMART LCD LIGHT.This intelligent battery charger can identify 3.7V, 1.5V and 1.2V rechargeable batteries automatically.(Except USB battery and disposable battery) Please make sure charging our batteries by CT-ENERGY battery chargers with our USB cables!
彼ユエヘ Battery Maintainer Heat Resistant 1 Slot Universal 18650...
  • It is a single slot battery charger with intelligent fast charging and circuit protection to prevent overcharging.
  • It is a spring-loaded battery charger with a retractable battery compartment that can be used to charge a variety of batteries such as 10440, 21700, 26650, 18650, 16340.
  • Made from abs and metal material, the product is durable and safe to use.
  • The length of the product is 10.5 cm, the width is 2.9 cm, the height is 2.5 cm.
  • It is suitable for a variety of common rechargeable li-ion batteries, and not support for dry batteries.
2 Slots Intelligent Smart Charger 9900mAh 18650 Battery, Rechargeable...
  • Widely used: 3.7V rechargeable battery can be used for video doorbells, flashlights, headlights, garden lights, computers, toys, model airplanes, cameras, etc.
  • Faster Charging:Charging current up to 1000mA, 9900mAh 3.7v battery will be fully charged in 3 hours. Saving your waiting time.
  • Please charge fully before use, as we only charge the battery to about 20% for shipping safety purpose. Batteries will reach top performance after 3-5 times charge cycle,with a charge that can last up to 12 months In storage
  • Safety guarantee: Compliant standard - UL cUL CE TUV GS PSE FCC RoHS C-TICKCB. The charger has a variety of safety protection settings, which can effectively prevent battery reverse, short circuit, overcharge, overdischarge, and overcurrent damage, so that users do not need to worry about any safety issues when using the product.
  • What you get: 2 Slot Charger+8 Battery. If you have any questions, you can contact us at any time and we will provide you with quality service

Last update on 2022-10-05 / Affiliate links / Images from Amazon Product Advertising API

Why Would You Buy Best 21700 battery chargers From Amazon?

Amazon is one of the largest retailers in the world, and it’s easy to see why. Amazon offers not only 21700 battery chargers but also millions of products, many of which are unavailable elsewhere.

That, combined with Amazon’s low prices, fast shipping, and friendly return policy, makes it the best place to buy just about its. Here are top 7 reason to buy:

Trusted Source For 21700 battery chargers

Amazon is the largest retailer in the world. It is also one of the most trusted sources for online retail. Amazon has an A+ rating with the Better Business Bureau and is ranked number one on Forbes’ list of “America’s Largest Private Companies.” Amazon has a variety of 21700 battery chargers to choose from, all at competitive prices.

Amazon Created The Ability To Make 21700 battery chargers Personal.

Amazon is very good at recommending it to you as a result of your previous search activities. From time to time, Amazon will also point out exclusive 21700 battery charger deals for which you expressed a prior interest. Your online shopping experience is made even simpler with Amazon because Amazon helps you discover 21700 battery charger at a discount that you previously suggested.

Easy Checkout Process

The checkout process on Amazon.com is simple and easy to use, with a variety of payment options including credit cards, debit cards, gift cards or PayPal.

Registering an account on Amazon is effortless, as is buying the 21700 battery charger with an existing account. After choosing it to add to your cart, you can make use of your saved credit card information to complete the purchase by clicking one button.

Lots Of Social Proof

Amazon has a lot of social proof. They have over two hundred million reviews and ratings from customers, their site is ranked number one in the world’s largest e-commerce sites, and they have been around for over twenty years.

Before making a purchase for 21700 battery charger, you’ll need to verify that the company you are dealing with is authentic and that others have confidence in the company enough to purchase that product.

You may also like to read what others are saying about this item in the reviews section. Amazon provides excellent support in this regard, too.

Included More Image And Perfect Description

Anyone who has shopped on Amazon knows that there are a lot of things to choose from. In order to make the process easier, they have included a lot of images, perfect descriptions and videos for 21700 battery charger. 

The result is a smoother shopping experience with all the information you need in one place. Amazon included new deals every day for 21700 battery charger, it’s a better time to check out Amazon!

Easy To Navigate

The Amazon online shopping site is easy to navigate, making it a popular choice for shoppers. With its convenient search bar and well-organized categories, finding the perfect 21700 battery charger is a breeze. You can search for items by brand, price or user rating. You can also search for specific features.

Plus, Amazon offers free shipping on many items, making it an affordable option for shoppers.

Easy To Compare With Another Brands

If you’re looking for a new 21700 battery charger, it can be tough to decide which brand to buy. Amazon has a ton of different brands, and you can get the best 21700 battery charger.  You can look at features, price, and customer reviews to help you choose the right brand.

How to Choose the Best 21700 battery charger for You

21700 battery chargers are becoming more and more popular. If you’re thinking of getting one, here are some tips to help you choose the best one.

Price and review

While price isn’t the only factor to consider, it’s still quite important. The price of a 21700 battery charger should be commensurate with its value. You can compare 21700 battery charger reviews to ensure you are obtaining a fair value. This is made easy on Amazon.


The high demand for a particular 21700 battery charger is a good indication of its ability to fulfill the functions for which it was established. If a product has been around for a considerable amount of time and still has a high demand, it is likely a great item.


21700 battery charger materials vary from manufacturer to manufacturer. Think about how and where you’ll be using your 21700 battery charger to see if one substance would be superior to another.

Size and Color

For those who have been looking for a new 21700 battery charger , there are many different size and color options to choose from. One can find a 21700 battery charger that is the right size with the perfect color just by going on a search online. 

For those who have not been able to find this so far, they should go amazon or see the list of top-10 now because they won’t be disappointed. There is something for everyone!


Durability is one of the most important factors in selecting a 21700 battery charger. It’s hard to know how long it will last when you are purchasing it, but durability can make or break your decision. 

We all want to get our money’s worth out of what we buy and by making sure that it will be able to function for years after purchase. We discuss durable 21700 battery charger for each person.

Size and Weight

When it comes to finding the right 21700 battery charger, size and weight are important factors to consider. Perfect size help to use accurately any 21700 battery charger. When product weight high then it is hard to use. Not only will it be difficult to use, it will also be difficult to store.

Custom Rating

Are you considering purchasing a 21700 battery charger, but are hesitant because of the lack of customer reviews? It is the best way to select perfect 21700 battery charger in online market such as amazon. If you see the top rating in this product, you will try to purchase it for use. It is the trustable way.


Every product has an important warranty for the consumer.  The warranty is there for protection of the customer in case something goes wrong with that product.

There are many things that can happen to a product, such as it malfunctioning or breaking down, after just a few uses.

This warranty can be very beneficial to those who have been mislead by false advertising and don’t know what their rights are under law.

When you buying 21700 battery charger, ensure its warranty. If it has not any warranty or guarantee, you will see the another ones


To find the best 21700 battery charger for you, it’s important to identify what your needs are and then do some research. Once you know what features will meet your requirements, compare different brands that offer those options in order to make an informed decision.

The more time you spend researching before buying something new like a 21700 battery charger, the better chance there is that you’ll be happy with your purchase.

We have provided great information on how to choose between all 21700 battery charger; now it’s up to us readers—have any questions? Let me know in the comments below!

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