The Best 4 Bay 18650 Charger of 2023 – Reviewed and Top Rated

2,557 Reviews Scanned

Rank No. #1

18650 Battery Charger 4 Bay Smart Universal Charger for Flashlight Headlamp Battery 3.7V Rechargeable Lithium Li ion Batteries Compatible 18650 26650 21700 10400 Battery Charger (Only AC Charger)

🔌【❗ Note: No Battery Only Charger】【❗ Only for Lithium -ion Rechargeable Battery,Not AA or AAA Battery,Not NiMH Battery】【Li-ion Universal Charger】Suitable for flashlight headlamp batteries. Compatible with 3.7v li-ion rechargeable batteries. Such as Li-ion: 𝟣𝟪￵𝟨𝟧𝟢 266￵50 22650 14500 16340(RCR123) 10440 17670 18490 17500 17335.
🔌【4 Slot Smart Charger】4 charging channels can charge the battery separately.4 slots can be adjusted according to different battery lengths.
🔌【Safety Protection】Perfect protection function:under voltage protection,over voltage protection,over current protection,over temperature protection,short circuit protection,anti-reverse battery protection, Zero Volume Battery Repair and excellent heat dissipation design.
🔌【Output: 4.2V ± 1%】The charging time depends on the quality of the battery.
🔌【Input: AC100-240V】Universal in the world; Whether you are using it at home or traveling abroad, this smart charger can charge your batteries well and take it to travel.

Rank No. #2

WISSBLUE 18650 Battery Charger, LCD Screen Can Display Capacity, Adjustable 2A Lithium Battery Charger, Suitable for 26650 21700 18350 17500 14500 RCR123A,NiMH NiCd AAA A

【WIDE COMPATIBILITY】: The Fast 18650 Charger Is Compatible With All 3.7v Lithium Batteries And 1.2v Nimh/Nicd Aa Aaa Batteries. Smooth And Durable Stainless Steel Rails For Cell Lengths From 34mm To 75mm
【SMART LCD DISPLAY】;Lcd4 18650 Charger Monitors Detailed Real Battery Condition, Time Per Charge/Charging Capacity, Battery Voltage, Charging Progress %, Battery Type, Charging Speed To Identify The Real Capacity Of The Battery
【SAFELY ADJUST CHARGING SPEED】: Switch Between Slow/Medium/Fast Charging As Needed, Shorten Charging Time By Up To 35%, Intelligent Circuit To Prevent Short Circuit, Overheating, And Overvoltage，Automatic Stop When Full
【18650 BATTERY CHARGING TIME】: 2.3 Hours Full Lithium Ion Panasonic Ncr18650b 3400mah, 3.5 Hours Full 21700 Battery 5000mah, 0.5 Hours Full Amazonbasics 800mah AAA Battery,1.5 Hours Full Eneloop 2500mah AA, 1.5 Hours Full 3.6v 2500mah Lithium Ion High Power Consumption Lg He2
【UNIVERSAL CHARGER】: Universal Usb Interface, You Can Use Solar Charger, Mobile Power, Computer, Car Charger, Usb Wall Charger, Etc. To Charge 18650 Batteries Anytime And Anywhere. Best 18650 Battery Charger 4 Slots, Suitable For Home Or Outdoor

Rank No. #3

4 Bay Smart 18650 Charger with LCD Digital Display Universal Battery Charger for: 26650 20700 18650 18350 17670 17500 16340(RCR123) 14500 AA AAA SC C Batteries

Smart 18650 Battery charger Compatible battery types and sizes：Li-ion / IMR/LiFePO4: 26650，20700, 18650, 18490, 18350, 17670, 17500, 16340(RCR123), 14500, 10440，NiMH/Cd: AA, AAA，SC, C（It cannot charge 1.5V AA AAA batteries）
Multi-functional LCD charging display: For battery types: Ni-MH 1.2V , Li-Fe 3.2V, Li-ion 3.7V, Li-ion 3.80V (IMR), charging capacity, voltage and current: 0.5A/1A/2A，Identify Li-ion and Ni-MH batteries automatically and adjust manually the charging mode for LiFePO4 and 3.80V li-ion batteries(IMR)
Multi-safety protection function of over-charge and over-discharge, short circuited, polarity reverse and so on. It can smartly identify broken batteries with much more safety
Multi-power input: AC cable 110-240V 50/60Hz (included)/ 12V 1A adapter(selective), four independent charging and micro computer management system.Charge current intelligent auto-set of total three levels: 500mA /1000mA/2000mA)，2000mA is fixed only for slot#4.
Note：Read this manual before use and pay special attention to the recommended charge current, must avoid to charge battery beyond the recommended current limit，If DC input, only 12V 1A is recommended，Mind heating while charging，Remove the charger from power source after charging complete, and remove the battery from the charger at the same time.For indoor use only

Rank No. #4

18650 Battery Charger, Keenstone Smart Universal Charger LCD Display for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Li-ion LiFePO4 IMR 10440 14500 16340 RCR123A 26650

🔋UNIVERSAL CHARGER FOR: Li-ion LiFePO4 IMR INR ICR 25500 22650 𝟏𝟖𝟔𝟓𝟎 18490 18500 18350 16340 RCR123A 14500 10440 Batteries, Ni-MH Ni-Cd A AA AAA AAAA SC Batteries.
🔋HIGH QUALITY: Compliant standard - UL CUL CE TUV GS PSE FCC RoHS C-TICKCB. Built-in intelligent circuits protection to protect the battery safety charged.
🔋LCD DISPLAY: LCD display to monitor the four slots information. Each battery parameter such as voltage (V), current (mA), time (h) can be showed independently by pressing the A/B/C/D button.
🔋MULTI CHARGE OPTIONS: 4 independently bay, 2 charge curent (500mA,1000mA) to meet your various needs; Black and grey are just different in color to meet your multiple aesthetic.
🔋SAFETY: Protection of overcharge, over-discharge, short circuit and reverse polarity.

Rank No. #5

XTAR VC4SL Upgrade Version VC4S Smart Rechargeable Battery Charger Type C 4 Bay Fast 18650 Charger with LCD for 3.7V 3.6V Li-ion Battery 10440 14500 18650 21700 26650 and Ni-MH Ni-CD AA AAA

【Powerful and Functional Charger】Long Press ”Mode” button to switch charging/Grad/Store mode.When you switch to grad mode,VC4SL could display “real capacity” of the battery after”charge-discharge-fully charge” process;when you switch to store mode, 18650 battery charger VC4SL can maximize your batteries lifespan
【18650 Universal Charger】VC4SL universal charger---upgraded and more powerful, it can freely charge Lithium-ion and Ni-MH batteries simultaneously-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 26650 rechargeable batteries or 1.2V Ni-MH/Ni-CD AAAA/AAA/AA/A/SC/C/D batteries. And also compatible with 20700/21700 protected batteries
【Fast Charge, Easy to Use】With XTAR 18W adapter input,the smart charger will detect the battery internal resistance and choose the suitable current for the battery, up to 3A for 1 slot.Besides, you can set the charging current by manual---3A/2A/1A/0.5A/0.25A optional
【Father's Day Gift 4-Bay Battery Charger】XTAR VC4SL rechargeable battery charger is made of PC Fire retardant material, with high-precision MCU and real-time temperature control protection system.When battery is reversed or short-circuited, it will show error symbol. After battery fully charged, it will show full and stop charging automatically. If the battery is over discharged, our smart charger can even activate this battery. If battery is damaged, LCD display will show null and stop charging
【Smart LCD Display】: With smart 170°view angle colorful LCD display, VC4SL Universal AA AAA battery charger can easily let you know about the charging process:voltage, current, mode, battery type, internal resistance and battery capacity data

Rank No. #6

18650 Battery Charger 4-Bay 5V 2A for Rechargeable Batteries 3.7V Li-ion TR IMR 18650 14500 16340(RCR123) Red/Green Display (Not Battery)

【18650 Battery Charger】18650 Battery Charger 4 Bay Smart Universal Charger for Flashlight Headlamp Battery 3.7V Rechargeable Lithium Li ion Batteries Compatible 18650 26650 21700 Battery Charger (No Battery Only Charger). 18650 Charger is not compatible with AA or AAA batteries or NiMH batteries.
【USB Charger】The charger has a universal USB interface and operates at 5V, eliminating any worry about high voltage damage and disasters. You can recharge your lithium-ion batteries anytime, anywhere, even by simply plugging it into your laptop or other devices.
【USB Battery Charger】The USB smart battery charger has four independent charging channels, allowing for simultaneous charging of four lithium-ion batteries. The charging indicator shows the battery's charging status, with a red light indicating charging and a green light indicating a full charge.
【18650 Charger】Safety is a top priority, and the charger features special charge and discharge management circuits that prevent reverse, short circuit, overcharge, over-discharge, and over-current damage to the Li-ion battery. This ensures users can use the product without any safety concerns.
【inbox】1pcs 18650 Charger. The product comes with a 100% satisfaction guarantee. If you have any questions or issues with the 4-channel 𝟣𝟪𝟨𝟧𝟢 battery charger, please contact the seller by email for a response within 24 hours. If there are any quality issues, the seller will provide a full refund or send a new charger for replacemen.

Rank No. #7

18650 Battery Charger,Smart Universal Charger Fast Charger for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Li-ion IMR 10440 14500 16340 RCR123A 26650 3.6V 3.7v 1.2v Current 1A 2A Optional (No Battery)

【❗ Note: No Battery Only 18650 Charger】(1)Do NOT attempt to charge with AC and Car power sources at same time, (2)Do NOT attempt to charge primary cells such as Alkaline, Zinc-Carbon, Lithium, CR123A, CR2 or any other unsupported chemistry. (3) Do NOT recharge the non-rechargeable / damaged / fake batteries. (4) Do NOT recharge wet batteries or get water into charger or under wet conditions.
【UniversalL Intelligent Household Battery Charger】- Automatically adjust and choose the best charging current(1A/2A) for better match )for differentbatteries to maximize battey life.Apply to 3.6/3.7V Li-ion Battery: 10400/14500/14650/16340/RCR123)/18350/18500/18490/18650/20700/21700/22650/26650/26700 Li-ion IMR/INR/ICR/NCR/NMC；Apply to 1.2V Ni-MH/Ni-Cd Battery: AAAA/AAA/AA/A/SC/C/F6
【USB C Fast Charge 18650】Switch Between Slow/Medium/Fast Charging As Needed, Shorten Charging Time By Up To 35%, Intelligent Circuit To Prevent Short Circuit, Overheating, And Overvoltage，Automatic Stop When Full
【Safety Protection】Q4C 2A Battery Charger's Compliant Standard--UL cUL CE TUV GS PSE FCC RoHS, and with Fire Retardant Materials, Intelligent Circuits, Please confirm your battery is genuine / not damaged / not in wet environment
【100% Satisfied Warranty】 If you have any questions about this 𝟣𝟪𝟨𝟧𝟢 battery charger 4Slots , please feel free to contact us by sending email, we would like to reply in 24 hours. If there is any product quality problem, we would like to provide full refund or resend you a new battery charger for replacement.

SaleRank No. #8

MiBOXER 18650 Battery Charger, Smart Universal 4-Bay Charger, Automatic LCD Display,Fast Charging Rechargeable Li-ion LiFePO4 Ni-MH Ni-Cd AA AAA C 18350 18500 18700 20700 21700 26650 RCR123

⚡【Birthday Gifts for Him, 4-Bay Battery Charger】Miboxer C4 chargeable battery charger is made of PC Fire retardant material, with excellent heat dissipation and electronic circuit design. When battery is reversed or short-circuited, it will show error symbol. After battery fully charged, it just stopped charging automatically. If the battery is over discharged, our smart charger can even activate this battery. If battery is damaged, LCD display will show error and stop charging.
⚡【Universal Battery Charger】4 bay battery charger is fully compatible with Li-ion / IMR / INR / ICR / LiFePO4(3.6V): 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430,14500, 14650, 16500,16340(RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490,18500,18650,18700,20700,21700,22500, 22650,25500, 26500, 26650; Ni-MH / Ni-Cd(1.48V): AA, AAA, AAAA, C,SC. Dual power input with DC 12V 2A & AC 90-260V.(Support car charge, but car cable is not included)
⚡【Fast Charge, Easy to Use】This Intelligent battery charger can charge 4 rechargeable different type of chargeable batteries simultaneously. You can set the single-channel charging current up to 1.5A max. Automatically/manually select the optimum charge current. Supports 4-channel simultaneous independent charging without affecting. ⚠️Please noticed that it can auto detect Li-ion(4.2v) and Ni-MH/Ni-Cd(1.48v), but you need to select set battery type when charging Li-ion(4.35v) and LiFePO4(3.6v)
⚡【Multi-Functional LCD Display】This 4 slot batteries charger with large screen can show voltage, current, charging time, mode, battery type, internal resistance and battery capacity data, easily to understand the charging datum. The LCD back-light will become dark after 1 minutes without any operation. Its 4th bay also has discharge function, which can measure battery real capacity. Please read its manual or video about 4th slot's discharge function,
⚡【Holiday Gift Choice】Package comes with 1* battery fast charger(without battery), 1* power cord,1* user manual. One of memorable presents that you can give.

Rank No. #9

18650 Battery Charger 4 Bay, 18650 Charger 2A Quick Charger for 3.7V Rechargeable Batteries 18650 17670 16340 14500 10440 Battery (Not Included Batteries)

⚡【4 Bay 18650 Battery Charger】 Battery Charger Features 4 adjustable slots for charging 4 batteries at the same time. Apply to the 3.7V or 3.8V Li-Ion battery. Li-ion LiFePO4 IMR INR ICR 18650 18490 18500 18350 17670 16340 RCR123A 14500 10440 Batteries.
⚡【Universal Smart Charger】One side of the electrode adopts a spring retractable structure, which can charge two batteries at the same time, and is suitable for 10440/14500/16340/17670/18350/18500/18650 and other 3.7V rechargeable batteries.
⚡【USB battery charger】With LED light (red during charging, green when charging is finished), you can see the charging status at a glance without worrying about overcharging; because there is a USB charging cable for charging, you can connect an adapter, move power sources, you can be charged anywhere. Practical and convenient.
⚡【18650 Charger】2 charge curent (500mA,1000mA), meet your different needs at the same time.with battery reverse connection protection, short circuit protection, and the input voltage over-voltage protection alarm function. charger specifications: length 5.12in x width 2.76in x height 1.2in; input: USB DC-5V 2000mAh; output: DC-4.2V 500mAh* 4
⚡【IN BOX】1x 4 slot Smart Battery Charger, 1 x English Manual. Lifetime support! Buy with confidence. Certified safe by FCC, RoHS, and includes one year warranty and lifetime support from our friendly California service team.

Rank No. #10

POWOBEST 18650 Battery Charger, 4 Bay USB Smart Universal Battery Charger Compatible with 3.7V Li-ion IMR INR 14500 14650 18350 18500 18650 RCR123A 18490 16340 17670 POWO18B Batteries Charger

UNIVERSAL BATTERY CHARGER - Powobest battery charger can freely charge 1-4 peices rechargeable battery like 18650, 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14430, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500,17650, 17670, 18350, 18490, 18500, RCR123A, POWO18B.
SAFE BATTERY CHARGER - Thanks to the high quality material and talented design, Powobest battery charger features with six protections: Overcharge protection, Overcurrent protection, Over temperature protection, Short circuit protection, Reverse connection protection, Over discharge protection. You can charge the battery whole night without any worries.
UNIVERSAL USB PORT - The latest design universal USB port makes the charger can be used in anytime anywhere, you can even simply plug into your car charger or power bank.
INDICATOR & SMART CHARGER - The red indicator shows the charging status, and the indicator turns green after full charge. Charging will automatically stop when fully charged.
ULTRA FAST CHARGING - The charger is up to 500mA charging current each slot (when 1A input). It greatly shorten your waiting time. It is portable and convenient to support global USB directly charging.

Rank No. #11

Battery Charger 4 Bay LCD Display for 3.7V/1.2V Rechargeable Battery for Li-ion Batteries

【18650 Battery Charger】The 18650 battery charger is compatible with any brand of 3.7V Li-ion rechargeable batteries and 1.2V Ni-MH/Ni-Cd batteries. It supports a wide range of battery sizes, including 26650, 26500, 25500, 22650, 2500, 21700, 20700, 18700, 18650, 18500, 18490, 18350, 17670, 17650, 17500, 17350, 16650, 16340(RCR123), 16500, 14650, 14500, 14430, 14350, 13650, 13500, 13450, 12650, 12500, 12340, 10500, 10440, 10350, and 10340, as well as A, AA, AAA, AAAA, C, and SC batteries.
【USB Charger】The USB smart battery charger has four independent charging channels, With a maximum charging current of 1000mA for 3.7V Li-ion batteries and 500mA for 1.2V Ni-MH/CD batteries. The real-time LCD display provides updates on the charging status of all four slots, automatically identifying the battery type, voltage, and detecting inferior batteries. This feature is beneficial for both household and travel use.
【Safe 18650 charger】The portable 18650 battery charger is constructed with premium fire-proof materials and incorporates multiple protection technologies to ensure safety during usage. It effectively prevents over-charge, over-discharge, short circuit, over-voltage, and reverse polarity issues. You can use this charger without any concerns about potential hazards.
【USB 4 Bay Charger】Equipped with Micro-USB and Type-C dual inputs, the 4 bay 18650 battery charger is compatible with various power sources such as 5V 2A power banks, computers, car chargers, and USB wall chargers. You can conveniently charge your batteries anytime and anywhere.
【inbox】1pcs 18650 Charger. 1-year warranty. The charging time required to fully charge batteries will vary depending on the number and capacity of the batteries being charged. We offer a 60-day free replacement and 30-day free return policy. Try it risk-free!

Rank No. #12

18650 Battery Charger Universal Smart 18650 Charger with LED Indicator for 3.7V Lithium ion Battery 18650 21700 26650 18500 16650 14500 Rechargeable Batteries (4 Bay)

🔋Universal 18650 Battery Charger--Can charge for different types of DC cylindrical 3.7v lithium ion battery 18650,10440, 14500, 16650, 14650, 18350, 18500, 16340, rechargeable batteries.(For use with IMR/18650 rechargeable battery lithium 3.7 volt only. Do not attempt to charge primary cells such as Alkaline, Zinc-Carbon, Lithium, CR2 or any other unsupported chemistry).
🔋18650 Battery Charger 4 Bay--Has four independent charging channels, automatically select the optimum charge current, supports 4-channel simultaneous independent charging without affecting.Can charge four lithium ion battery 3.7v 18650 at the same time and can charge two 26650 batteries at the same time.(The 18650 battery and charger is battery included)
🔋Charging Display--This 18650 smart charger with Red/Green led light display, And the rechargeable battery charger 18650 will display the status of each rechargeable battery when charging, Automatically detects battery power status and displays charging progress, and automatically stops charging when complete.
🔋Safety Protection--Comes with special charge and discharge management circuit. With multiple security protection settings, the 18650 balance charger can effectively prevent reverse, short circuit, overcharge, over discharge, over-current damage to the battery, which makes users using the product without any safety concern.
🔋Fast Charging--This18650 fast charger charges 4pcs different type 3.7v lithium ion battery 18650 .simultaneously. 18650 Charger charging current up to 4.2V 2A max. Rechargeable battery charger 18650 automatically select the optimum charge current. Supports 4-bay simultaneous independent charging without affecting.

Rank No. #13

Universal 18650 Battery Charger 4 Bay, Hisewen Smart LCD Display Charger for 3.7V Li-ion Rechargeable Batteries 18650 18350 17670 16340 RCR123 14500 LiFePO4 INR ICR Ni-MH Ni-CD AA AAA

Wide Compatibility: The Universal Battery Charger fits all 3.6V/3.7V Li-ion LiFePO4 IMR/INR/ICR Rechargeable batteries 18650 18490 18350 17670 17500 16340(RCR123) 14500 21700 26650 and NI-MH NI-CD AA/AAA Batteries.
Intelligent LCD Display: This 18650 Charger comes with a Smart LCD Screen, which can independently indicate the real-time charging status. Charging - battery icon keeps flashing, Fully charged - battery icon solid.
Faster Charger: The 18650 battery charger 4 bays design can charge different types of batteries simultaneously. Multiple ways charger input: Built-in USB-A cable, Micro USB and Type-C input. You can adapt DV 5V 2A USB Interface to connect the charger, also to power up via a USB wall charger, car charger, power bank and other electric devices.
Multi Protection: Built-in multiple circuit adjustment & protection (can prevent the 18650 charger and battery from over-charging, short-circuiting and overheating). Also, CE RoHs FCC certificated to keep you and your electric devices safe.
What You Get: 1* 18650 Battery Charger, 1* Type-C Cable, User Manual, 30 Days Refund, 2 Years Warranty, 7x 24 Hours Lifetime Maintenance. (Notice: Do not charge a damaged / inferior battery)

Rank No. #14

XTAR VC4 Plus Battery 3A Fast Charger, 4 Bay Rechargeable Battery Charger Extend Version for 3.6V 3.7V 18650/20700/21700 Li-ion IMR INR ICR for 1.2V AAA SC Ni-MH Ni-CD with QC3.0 Adapter

[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 3.6V 3.7V Li-ion and 1.2V AAA AA A SC C Ni-MH Ni-CD are compatible with xtar VC4 plus rechargeable battery charger.
[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,0.5A and 0.25A optional charging current for your choice, stripe crack for better heat losing, upgraded microchip for multiple protection of the batteries, upgraded 3 operation modes for checking the health status of batteries, XTAR VC4 plus battery charger is designed to offer the best using experience
[Triple Operation Mode] Fast 21700 battery charger XTAR VC4 PLUS can test your batteries’ real capacity with the grade mode. 18650 battery and charger VC4 Plus can maximize your batteries lifespan with the Storage 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. You will get: VC4 Plus Charger, USB C cable, Manual, US Quick Charge 18W adapter 30-day money-back guarantee & 24-Month friendly customer servic. Please contact us if you have any issue, We will solve the issue for you within 24 hours.

Rank No. #15

Pickle Power Smart 8 Bays LED Display Battery Charger for Rechargeable Li-ion 123A 16340 17335 Battery and Arlo VMC3030 VMK3200 VMS3330 3430 3530 (Batteries Not Included)

【Wide Compatibility】Compatible with Arlo (VMC3030/3200/3330/3430/3530) camera battery and suitable for 123A, 16340, 17335 Rechargeable Li-ion Battery. Package included: 1*Charger+1* Charging Cable. Note: Batteries Not included
【Mutiple Charging Options】Charging Input: 5V/2A, Charging Output: 4.2V/300mA.With Micro-USB and Type-C input,Can be charged by USB Adapter, power bank or other devices.In addition,this cr123a charger with built-in usb cable,it can be charged in case forget to carry micro usb cable,so amazing and convenient
【LED Display Screen】123A charger with LED display screen,the LED indicators will display the status of each rechargeable battery when charging.Please know it is normal when the charger LED indicators flash on the charging process.
【Smart 8 Bays Charger】4 bay aro battery charger with 8 Independent charge channels,it can charge 8 batteries simultaneously or one battery independent.
【Safety Protection】 Stop charging automatically if the temperature of charger or battery gets too high when charging. Integrated high-performance protected circuit automatically protects against overcharge, over discharge and short-circuiting

Rank No. #16

Nitecore Ci4 Four Bay Universal Battery Charger Support 16340 14500 18650 21700 Lithium Ion AA AAA Ni-MH Ni-CD, USB-C QC PD with Lumentac Battery Organizer

UNIVERSAL BATTERY CHARGER - The Nitecore Ci4 automatically detects and charges up to 4 Ni-Mh, Ni-cd and lithium batteries such as AAA,AA, 18650, 21700, 16340, 14500 and more.
FAST CHARGING - reaches a single slot maximum charging current of 3000mA equipped with a USB-C input that is QC PD compatible.
BUILT-IN SAFEGUARDS - Built from durable fire retardant materials the Ci4 provides multiple charging safeguards to prevent reverse polarity, overcharge, and overheating.
LIGHTWEIGHT AND COMPACT - Weighing 4.25 ounces and less than 6 inches in length, the lightweight and compact size of the Ci4 allows you to carry it with you on the go.
CONTENTS - Nitecore Ci4, USB-C Charging Cable, LumenTac Battery Organizer

Rank No. #17

18650 Battery Charger 4 Bay, 18650 Charger for 3.7V Li-ion TR IMR 10440 14500 16650 18650 16340(RCR123) Batteries (Battery not Included)

【18650 Battery Charger】18650 Battery Charger 4 Bay, 18650 Charger for 3.7V Li-ion TR IMR 10440 14500 16650 18650. Compatible with various 3.7v li-ion rechargeable batteries, including 18650, 26650, 14500, and more. Note: No battery, only charger.
【4 Bay Battery Charger】Intelligent design with four independent charging channels, allowing you to charge up to four lithium batteries simultaneously. The charging indicator displays red when charging and green when fully charged, allowing you to clearly understand the charging status of your batteries.
【USB Battery Charger】Updated USB interface design with a working voltage of 5V, ensuring safety and compatibility. USB charging allows for convenient recharging of your lithium-ion batteries on-the-go, even when outlets are scarce. It can be easily plugged into your laptop or other devices.
【18650 Charger】Comes equipped with special charge and discharge management circuitry, providing multiple security protection settings to prevent reverse, short circuit, overcharge, over-discharge, and over-current damage to your li-ion batteries. You can use our product without any safety concerns.
【inbox】1pcs USB Charger. We offer a 100% satisfaction guarantee and 24-hour email support. If you have any questions about this 4-channel 18650 battery charger, please feel free to contact us. If there are any product quality issues, we will provide a full refund or send you a new battery charger as a replacement.

Rank No. #18

MiBOXER 18650 Battery Charger, 8-Bay Smart Charger with Automatic LCD Display, Fast Charge Rechargeable Li-ion LiFePO4 Ni-MH Ni-Cd AA AAA C 21700 26650 13650 16340 18350 18700 RCR123

⚡【Fathers Day Gifts for Dad, 8-Bay Battery Charger】Our chargeable battery charger is made of PC Fire retardant material with excellent heat dissipation and electronic circuit design. When battery is reversed or short-circuited, it will show error symbol. After battery fully charged, it just sopped charging automatically. If the battery is over discharged, our smart charger can even activate this battery. If it is damaged, LCD display will show error and stop charging.
⚡【Universal Battery Charger】Multi-bay battery charger is fully compatible with Li-ion /IMR /INR /ICR /LiFePO4(3.6V): 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430,14500, 14650, 16500,16340(RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490,18500,18650,18700, 20700, 21700,(Support battery up to 73mm long) 22500, 22650,25500, 26500, 26650; Ni-MH / Ni-Cd(1.48V): AA, AAA, AAAA, C,SC. Dual power input with DC 12V/3A (support car charge, but not included)
⚡【Fast Charging, Easy to Use】This Intelligent battery charger charges 8 rechargeable different type of cylindrical batteries simultaneously. You can set the single-channel charging current up to 1.5A max. Automatically/manually select the optimum charge current. Supports 8-bay simultaneous independent charging without affecting. ⚠️ Please noticed that it can auto detect Li-ion(4.2v) and Ni-MH/Ni-Cd(1.48v), but you need to select set battery type when charging Li-ion(4.35v) and LiFePO4.
⚡【Multi-Functional LCD Display】This 18650 and AAA/AA battery charger with large screen display can show voltage,current,charging time,mode,battery type,internal resistance and battery capacity that charged, easily to understand the charging datum. The LCD back-light will become dark after 1 minutes without any operation.
⚡【Birthday Gift Choice】Package includes 1* Battery fast charger(without battery), 1* power adapter, 1* user manual. One of memorable presents that you can give.

Rank No. #19

MiBOXER Fastest 18650 Battery Charger,3A/Bay Quick Charging Chargeable AA AAA D 26650 18490 18350 18500 RCR123 Li-ion/IMR/INR/ICR/Ni-MH/Ni-Cd,LCD Display,Smart Temperature Control

⚡【Birthday Gifts for Him, 3A/Bay Fastest Charging】This upgraded C412 battery charger 3.0A/slot Charging only takes 50 minutes to charge 4pcs 3000mAh IMR battery to 85%.Please know 3A each bay is for Li-ion. As to Ni-MH/Ni-Cd, its highest speed is 1A. Automatically/manually select the optimum charge current. Supports 4-channel simultaneous independent charging without affecting.
⚡【Temperature Control】Made of PC Fire retardant material with excellent heat dissipation & electronic circuit design.When battery is reversed or short-circuited,it will show error symbol.If the temperature of battery is over 60℃/140℉,this intelligent charger will reduce charging speed for good for battery. If over 70℃/158℉, it will stop charging. It also stopped charging automatically when fully charged.If the battery is over discharged, our smart charger can even activate it.
⚡【Universal Battery Charger】The universal battery charger is fully compatible with: Li-ion / IMR / INR / ICR : 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430,14500, 14650, 16500,16340(RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490,18500,18650, 18700, 20700, 21700, 22500, 22650,25500, 26500, 26650; Ni-MH / Ni-Cd(1.48V): AA, AAA, AAAA,C,SC,LiFePO4(3.6V). Dual power input with DC 12V 2A (support car charge, no car cables) & AC 90-260V.
⚡【Easy to Use, Multi-Functional LCD Display】This Intelligent battery charger can charge 4 rechargeable different types of cylindrical chargeable batteries simultaneously.With large LCD display can show voltage,current,charging time,battery type,internal resistance and battery capacity that has been charged,easily to understand the charging datum. The LCD back-light will become dark after 1 minutes without any operation.
⚡【What You Get】Holiday Gift for family & friend. Package comes with 1* battery fast charger(without battery), 1* power adapter,1* user manual. As to 4.35V Li-ion battery,this fast charger considers it 4.2V as full charge. It can charge 4 26500/26650 battery at the same time.

Rank No. #20

6 Bay 18650 Battery Charger Universal Wall Charger for 3.7v Lithium Rechargeable Batteries Compatible 18650 26650 14500 16340(RCR123) 10440 17670 18490 17500 17335 Lithium Battery Charger

➤【Lithium Battery Charger】Compatible with 3.7v li-ion rechargeable batteries. Such as Li-ion: 18650 26650 22650 14500 16340(RCR123) 10440 17670 18490 17500 17335.
➤【6 bay 18650 Charger】6 charging channels can charge the battery independently.6 slots can be adjusted according to different battery sizes.
➤【Safety Protection】Perfect protection function:under voltage protection,over voltage protection,over current protection,over temperature protection,short circuit protection,anti-reverse battery protection, Zero Volume Battery Repair and excellent heat dissipation design.
➤【Output: 4.2V ± 1%】The charging time of 18650 battery charger depends on the capacity of the battery.
➤【Input: AC100-240V】Universal in the world; Whether you are using it at home or traveling abroad, this universal charger can charge your batteries well and make you feel free to travel.

Last update on 2023-08-06 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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The Best 4 Bay 18650 Charger of 2023 – Reviewed and Top Rated

How Do You Buy The Best 4 Bay 18650 Charger?

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