Top 10 Best 21700 Battery Charger

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Our team studied on 60021 reviews available online for 21700 Battery Charger, chose the finest ones and prepared 21700 Battery Charger Reviews for you. It was very difficult to shortlist the ideal 21700 Battery Charger from thousands of products online. However, We tried to make sure that you get only the Best 21700 Battery Charger from our suggestions. Check our listings-:

Best 21700 Battery Charger
NoProductScoreAction
1Fenix are-A2 Smart Battery Charger for 21700/18650/16340 with EdisonBright BBX5 Battery Carry case9.8Buy Now on Amazon
218650 Charger XTAR VC4L Battery Charger 4 Bays New 2021 Updated 21700 Battery Charger USB C Charger Not Including Batteries (VC4L Charger)9.8Buy Now on Amazon
38 Bays 18650 Charger USB C 21700 Battery Charger XTAR VC8 Type C 3A Fast 18650 Charger 8-Bay Smart Charger LCD Display for 3.6V 3.7V Li-ion 10440 16340 18700 26650 1.2V Ni-MH C9.8Buy Now on Amazon
4NITECORE UMS2 Intelligent USB Dual-Slot Quick Battery Charger for Li-Ion/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and More Batteries9.8Buy Now on Amazon
5NITECORE UI1 Single-Slot Intelligent Lithium-ion Battery USB Charger for 186509.6Buy Now on Amazon
6NITECORE UMS4 Intelligent USB Four Slot Quick Battery Charger for Li-Ion/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and More Batteries9.2Buy Now on Amazon
7XTAR VC4 Plus Battery 3A Fast Charger9.2Buy Now on Amazon
8Nitecore UMS4 USB Universal 4-Port Speedy Smart Charger for Li-Ion/Ni-MH/Ni-Cd/IMR 26650 22650 21700 20700 18650 18490 18350 17670 17500 17335 16340 RCR123 14500 AA AAA C D w/LifeMods Battery Case8.8Buy Now on Amazon
9POWXS Universal Lithium 18650 Battery Charger for 3.7V Li-ion 18650 26650 18490 17670 17500 22650 21700 20700 18350 16340 RCR123A 145008.8Buy Now on Amazon
10Fenix are-D1 USB Powered Smart Battery Charger for 21700/18650/16340 with EdisonBright BBX5 Battery Carry case8.4Buy Now on Amazon

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60021 reviews were considered when writing our recommendations for the 21700 Battery Charger in this article.

1. Fenix are-A2 Smart Battery Charger for 21700/18650/16340 with EdisonBright BBX5 Battery Carry case

  • 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

2. 18650 Charger XTAR VC4L Battery Charger 4 Bays New 2021 Updated 21700 Battery Charger USB C Charger Not Including Batteries (VC4L Charger)

  • 4 Bay Universal Charger Charges Simultaneously almost all types Rechargeable Batteries of Multiple Different Specifications: 3.
  • Four Pack Cells Digital LCD Display Smart Charger: Automatically detect battery status, select charge mode.
  • 18650 High Quality Charger: Type-C Powered (Can’t use 100W USB-C to USB-C cable)), compatible with all 5V USB power.
  • Your Safety First: Passed many international safety and quality certifications, such as RoHS, CE, FCC, and so on.
  • What You Get: 1*XTAR VC4L Universal 4 Slots updated 2021 Household Battery Chargers, 1*manual, 1*USB cable, , Stickers or battery sleeve will be randomly given as gifts.

3. 8 Bays 18650 Charger USB C 21700 Battery Charger XTAR VC8 Type C 3A Fast 18650 Charger 8-Bay Smart Charger LCD Display for 3.6V 3.7V Li-ion 10440 16340 18700 26650 1.2V Ni-MH C

  • 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.
  • 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.
  • 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.
  • 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%.

4. NITECORE UMS2 Intelligent USB Dual-Slot Quick Battery Charger for Li-Ion/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and More Batteries

  • FAST AND EFFICIENT CHARGING- Reach a maximum total of 4000mA for two slots, 3000mA for one slot when pairing with a 9V QC2.
  • 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.

5. NITECORE UI1 Single-Slot Intelligent Lithium-ion Battery USB Charger for 18650

  • POWERFUL CHARGER-The NITECORE UI1 reaches a single slot maximum charging current of 800mA when using 3.
  • MICRO-USB COMPATIBLE – Compatible with multiple USB inputs including solar panels, adapters, and power reservoirs for quick and efficient charging.
  • INTELLIGENT CHARGING – The UI1 is equipped with intelligent charging mode selection that automatically adopts the optimal charging modes for batteries.
  • LIGHTWEIGHT AND COMPACT – Weighing 1.
  • UI1 CHARGER KIT – Included in this bundle is the NITECORE UI1 21700/18650 battery charger, usb cable, and LumenTac battery/cable case.

6. NITECORE UMS4 Intelligent USB Four Slot Quick Battery Charger for Li-Ion/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and More Batteries

  • FAST AND EFFICIENT CHARGING- Reach a maximum total of 2000mA when using a 2A output USB power adapter.
  • 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.

7. XTAR VC4 Plus Battery 3A Fast Charger

  • Smart Rechargeable Battery Charger] Upgraded battery charger from XTAR VC4S extend version, with USB C port and 18W adapter, able to charge Lithium-ion and Ni-MH batteries at the same time with different but suitable charging methods, Rechargeable batteries of 3.
  • Smart LCD Display ] The smart LCD screen will show charging current, battery voltage, charging capacity, internal resistance and battery type of the rechargeable batteries on the screen when XTAR VC4 plus battery charger is connected to power supply and batteries are inserted.
  • Special Design for Using ] 3A,2A,1A,0.
  • Triple Operation Mode] Fast 21700 battery charger XTAR VC4 PLUS can test your batteries’ real capacity with the grade mode.
  • Power up Your Rechargeable Batteries ] Get the rechargeable batteries reused and live a eco-friendly life! Before using a battery charger, please check your batteries to see if they are rechargeable and if they are compatible with the battery charger.

8. Nitecore UMS4 USB Universal 4-Port Speedy Smart Charger for Li-Ion/Ni-MH/Ni-Cd/IMR 26650 22650 21700 20700 18650 18490 18350 17670 17500 17335 16340 RCR123 14500 AA AAA C D w/LifeMods Battery Case

  • One of the Quickest USB Powered Universal Intelligent Battery Charger, allows for on the go worldwide portability.
  • Quick Charge 2.
  • 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.

9. POWXS Universal Lithium 18650 Battery Charger for 3.7V Li-ion 18650 26650 18490 17670 17500 22650 21700 20700 18350 16340 RCR123A 14500

  • 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.
  • 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.
  • Universal Battery Charger: POWXS 18650 battery charger can charge for any 1.
  • 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.
  • Smart LCD Display: With smart LCD display, POWXS Universal AA AAA battery charger can easily let you know about the charging process.

10. Fenix are-D1 USB Powered Smart Battery Charger for 21700/18650/16340 with EdisonBright BBX5 Battery Carry case

  • 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

How To Choose The Best 21700 Battery Charger

Does the thought of finding a great 21700 Battery Charger stress you out? Has your mind been juggling between choices when it comes to buying 21700 Battery Charger in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect 21700 Battery Charger for themselves. We understand the stress associated with the buying process!

Since you’re here, you are obviously curious about 21700 Battery Charger. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.

There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.

But that’s not always easy, right? That's why we've taken time to compile a list of the best 21700 Battery Charger in today's market, on your behalf, so that there will be no more worries for you.

How did we come up with the list, you ask? How did we create this buying guide?

  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best 21700 Battery Charger currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-

  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.


Top 21700 Battery Charger brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.

  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top 21700 Battery Charger based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the 21700 Battery Charger before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the 21700 Battery Charger they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good 21700 Battery Charger, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your 21700 Battery Charger before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable 21700 Battery Charger will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good 21700 Battery Charger if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated 21700 Battery Charger on the market, the products that got mostly negative ratings get filtered and discarded.
These are the criteria we have chosen our 21700 Battery Charger on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.

Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any 21700 Battery Charger featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

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