Top 10 Best 21700 Battery Charger Reviews With Products List

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You can trust our selection for 21700 Battery Charger Reviews. Because We have worked hard studying and analyzing 43059 reviews for 21700 Battery Charger and rating them. It was a difficult job to list only ten products for 21700 Battery Charger where thousands of them available online. I hope it will help you to take final decision for Best 21700 Battery Charger.

NoProductScoreAction
1Fenix are-A2 Smart Battery Charger for 21700/18650/16340 with EdisonBright BBX5 Battery Carry case9.8Buy on Amazon
2Universal Battery Charger EASTSHINE S2 LCD Display Speedy Smart Charger for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Li-ion LiFePO4 IMR 10440 14500 16340 18650 RCR123 26650 18500 17670 & Car Adapter9.8Buy on Amazon
3Fenix are-D1 USB Powered Smart Battery Charger for 21700/18650/16340 with EdisonBright BBX5 Battery Carry case9.6Buy on Amazon
4XTAR VC4S 18650 Battery Charger 4 Slot li ion Fast Charger with 18W QC 3.0 Wall Charger Max 3A for 10440 16340 18650 20700 21700 32650 Ni MH AAA AA C Battery Charger Test Batteries’ Real Capacity9.4Buy on Amazon
5NITECORE 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 Batteries9Buy on Amazon
68 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 C8.8Buy on Amazon
7NITECORE UI1 Single-Slot Intelligent Lithium-ion Battery USB Charger for 186508.6Buy 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 Case8.6Buy on Amazon
918650 Charger XTAR VC4L Battery Charger 4 Bays New 2021 Updated 21700 Battery Charger USB C Charger Not Including Batteries (VC4L Charger)8.6Buy on Amazon
10NITECORE 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 Batteries8.6Buy on Amazon

Comparison Chart for Best 21700 Battery Charger

Our team scanned 43059 reviews before putting any suggestions for the 21700 Battery Charger in this article.

Disclaimer: As An Amazon Associate I Earn From Qualifying Purchases.

Table Of Content:

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. Universal Battery Charger EASTSHINE S2 LCD Display Speedy Smart Charger for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Li-ion LiFePO4 IMR 10440 14500 16340 18650 RCR123 26650 18500 17670 & Car Adapter

  • Safety First: S2 Charger’s Compliant Standard–UL cUL TUV GS PSE FCC CE C-TICKCB ROHS, and with Fire Retardant Materials, Intelligent Circuits, Please confirm your battery is genuine / not damaged / quality / Rechargeable before charging.
  • Universal Charger for All Types of: NiMH NiCd A Double A Triple A AA AAA AAAA C SC Battery, Li-ion Lithium-ion LiFePO4 IMR INR ICR 26700 22700 21700 20700 26650 25500 22650 18700 18650 18490 18500 18350 17670 16340 RCR123A 14650 14500 10440 Rechargeable CR123 CR123A Li ion Batteries.
  • 2 Bay Speedy Rechargers for: Eneloop 2000mAh AA 2-Hour, Nickel Amazonbasics 800mAh AAA 0.
  • 2 Slots Smart Chargers: Automatically Detect battery Status, Select Charge Mode, Cut Off Power at Full or Overtime, and LCD Display Each Cell’s Voltage and Type, Charging Current and Time.
  • What you get: S2 2 Slot Smart Recharger, DC Vehicles / AC Wall Adapter, Happy Card with 24 Hours Warm Service, 30 Days Free Refund, 2 Years Free Replacement, Lifetime Maintenance.

3. 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

4. XTAR VC4S 18650 Battery Charger 4 Slot li ion Fast Charger with 18W QC 3.0 Wall Charger Max 3A for 10440 16340 18650 20700 21700 32650 Ni MH AAA AA C Battery Charger Test Batteries’ Real Capacity

  • 4 Independent slot,Can charge four different types (size) batteries at the same time,Apply to 3.
  • Comes with XTAR QC3.
  • 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.
  • Built-in protection circuit can effectively prevent over-current, over-charge, over-voltage, short-circuit, combined with XTAR’s original soft-start function, making charging safer; High Precision, Auto Cut-off When Fully Charged; Constructed from flame retardant and fire resistant ABS materials to extend the charger’s lifespan and ensure safety;Passed many international safety and quality certifications, such as RoHS, CE, FCC, and so on.
  • Package list: VC4S Charger(Not included batteries), QC3.

5. 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.

6. 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%.

7. 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.

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. 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.

10. 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.

21700 Battery Charger Buying Guide


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 Reviews. 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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