The Best 18650 Charger 4 Bay of 2021 – Reviewed and Top Rated

2,430 Reviews Scanned

Rank No. #1
4 Bay 18650 Battery Charger Intelligent Li-ion Charger for Rechargeable Battery 26650, 18650, 17670, 18490, 17500, 17335, 16340 (RCR 123), 14500, 10440, 14650, 18350, 18500.
  • 【Li-ion Universal Charger】Compatible with 3.7v li-ion rechargeable batteries. Such as Li-ion: 26650, 18650, 17670, 18490, 17500, 17335, 16340 (RCR 123), 14500, 10440, 14650, 18350, 18500.
  • 【4 Slot Smart Charger】4 charging channels can charge the battery separately. It can charge only 1 battery at a time, or only 2 or 3 or 4 batteries at a time; The smart charger can charge 18650, 14500, 16340 batteries at a time.
  • 【Safety Protection】Perfect protection function,overvoltage protection,overcurrent protection,short circuit protection,anti-reverse battery protection, Zero Volume Battery Repair and excellent heat dissipation design
  • 【Output: 4.2V ± 1%, 0.5A】Charging 2000 mah spend about 4 - 6 hours. The long-term 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 make you feel free to travel.
Rank No. #2
18650 Smart Battery Charger 4 Bay Universal 3.7v Li-ion Rechargeable Battery Chargers Intelligent Automatic Fast for 26650 18350 17670 18700 21700 20700 RCR123 Lithium-ion Batteries (Black)
  • 【UNIVERSAL CHARGING】 3.7v 18650 rechargeable li-ion battery charger can charge simultaneously rechargeable batteries of different specifications (18650, 20700, 21700, 26650, 26500, 22650, 18490, 17670, 17500, 17355, 16340(RCR123A), 14500, 10440).
  • 【ADJUSTABLE 4 BAY】 The 4 bays can be adjustable for different battery length.Controlled by MCU, automatically stop charging when detecting improper input voltage, defective or short circuit or non rechargeable batteries.the battery will not be over-charged and over heat.
  • 【TRIPLE PROTECTION】 With Reverse-battery protection and short current protection; with the function of active and repair "zero Voltage" lithium battery.
  • 【SMART LED INDICATOR】Smart LED charging status indicator which turns from red to green when battery is fully charged.
  • 【INTELLIGENT CHARGER】 Battery Charger will stop charging automatically when battery was fully charged; charger with CE, FCC, RoHS certificates.
Rank No. #3
18650 Battery Charger 4 Bay Fast Charge, for 3.7V Li-ion TR IMR 10440 14500 16650 14650 18350 18500 16340(RCR123) Batteries, USB Intelligent Universal Rechargeable Battery Charger
  • 🔋 4 BAY INTELLIGENT BATTERY CHARGER: Has four independent charging channels, Automatically/manually select the optimum charge current, Supports 4-channel simultaneous independent charging without affecting.
  • 🔋 CHARGING DISPLAY: This Battery charger with Red/Green led light display, And the charger 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.
  • 🔋 STRONG PRACTICALITY: USB port battery charger, battery charger operating voltage is 5V, Can charge for different types of DC 3.7V cylindrical lithium batteries 10440, 14500, 16650, 14650, 18350, 18500, 16340, rechargeable batteries.(For use with IMR/Li-ion Rechargeable batteries only. Do not attempt to charge primary cells such as Alkaline, Zinc-Carbon, Lithium, CR123A, CR2 or any other unsupported chemistry).
  • 🔋 SAFETY ASSURANCE: Comes with special charge and discharge management circuit. With multiple security protection settings, the 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.
  • 🔋 REFUND & FREE REPLACEMENT GUARANTEE: Our universal 4 slots Household Battery Charger, smart battery charger will supply 24 Hours Warm Service, 60 days free refund, 1 years free replacement, Lifetime maintenance. giving you 100% satisfaction and zero hassle returns guaranteed.
Rank No. #4
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 AA AAA C
  • Type-C port, max 3A for a single slot,VA LCD screen shows batteries’ real-time charging status
  • 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. #5
XTAR 18650 Battery Charger XTAR VC4 Universal Battery Charger LCD Display 4 Bay Charger for 10400 14500 16340 18350 18650 Unprotected 20700 21700 AA AAA C D Batteries
  • 1. 4 bay 18650 battery Charger Charges Simultaneously almost all types Rechargeable Batteries of Multiple Different Specifications: 10440 14500 16340 18350 18650 25500 32650 Ni-MH AA AAA C D Battery etc.( Noted : VC4 Can’t charge protected 20700 and 21700 batteries. If you want to choose a protected 21700 battery charger, please choose XTAR NEW X4 Charger and XTAR VC8 Charger)
  • 2. XTAR VC4 battery charger provides 2 charging current choice as 500mA 1000mA, Intelligently chooses charging currents from 0.1A to 1A. Insert 1pcs or 2pcs battery in the CH1 &CH4 , the Max charging is 1000mA
  • 3. 4 cell High Quality Speedy Charger : With built-in protection, bring you a safety universal 18650 battery charger, Overcharge protection,Over-discharge protection,Short circuit protection,Reverse polarity protection.The universal battery charger is made of PC fire retardant material, which has excellent safety and portability.
  • 4. Digital LCD Display Smart Charger: Automatically Detect battery Status, LCD Screen Displays Each Cell’s Voltage and Type, Charging Current and Battery Charged Capacity Independently. 2 Charge Current (500mA Slow/ 1000mA Fast).
  • 5. What you get: XTAR VC4 Universal 4 Slots Household Battery Chargers, Hop-pocket, USB Cable ,User Manual, (Charger Adapt to any 5V USB Power , the package is not including wall adapter), 1 Years Free Replacement (Replacement will ship from XTAR TX warehouse), Lifetime Maintenance. Do not charge a damaged / inferior battery.
Rank No. #6
18650 Battery Charger,MiBOXER 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
  • 【High Quality】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,
  • 【Best Christmas Gift Choice, Package】1* battery fast charger(without battery), 1* power cord,1* user manual. One of memorable presents that you can give.
Rank No. #7
Skywolfeye 2 Packs Led 2000 Lumen 18650 Flashlight Tactical Handheld with 8Pcs 3.7v 5800mAh Rechargeable Battery and 1Pcs 4 Bay Usb Battery Charger,Ultra Bright Zoomable, 3 Modes for Indoor Outdoor
  • 【Super Bright with 3 Modes】Powerful 2000 Lumen led generates a brilliant large area floodlight or a perfectly focused spotlight over a beam distance of 500 meter. Adjustable focus with 3 modes: (High, Low, SOS).High quality of 10,000 hours working life.
  • 【Waterproof 】Skid-proof, waterproof, explosion-proof.Lotus top can protect the lens, control cutting technology, rhombus skid-proof and waterproof. Water resistant from splashing water. It's perfect for use in the rain, snow or emergency situations.
  • 【Widely Use】Easy to carry with you as a backup and is small enough to fit in your pocket, handbag, drawer, or car compartment. A single 18650 rechargeable(8Pcs Included), Perfect for camping, hiking, fishing, running, dog walking, power outages and general household use.
  • 【Powered Source】8 Pcs 3.7v 18650 5800mAh li-on rechargeable battery and 1Pcs 4 bay battery charger
  • 【Package Includes】2Pcs Flashlights, 8Pcs 5800mAh 3.7v batteries, 1Pcs 4 Bay Battery Charger
Rank No. #8
4 Bay USB Speedy Charging Smart Battery Charger Fit for Solar Panel,Universal Intelligent Charger USB Output Port for 3.8V 3.7V 18650 26650 14500 16340 RCR123A LiFeO4 1.2V Ni-MH Ni-Cd Aa Aaa Battery
  • 💫【Charging Different Type Batteries One time. Comes with USB Cable】4 Individual Charging Slot, you can charge 1 to 4 different batteries one time! Fit for wall charger, power bank, car USB outlet, solar panel, and other USB power. Portable size! Perfect for travel and household. Compatible with 1.2V Ni-MH,Ni-Cd,A,AA,AAA,SC,C; 3.2V Li-ion LiFePO4 3.7V 3.8V 3.85V 18650 RCR123a 10440 12500 12650 13450 13650 14430 14500 16340 16500 16650 17500 17650 17670 18350 18490 18500 19670 22650 25500 26650;
  • 💫【Decent Design! Intelligent - Detect Battery Type Automatically】The Charger can detect Lithium 3.7V batteries and 1.2V Ni-Mh Ni-Cd batteries automatically. But you need set this up manually if you charge 3.2V LiFePO4 or Li-ion 3.85V batteries. (How to do: Insert 3.2V LiFePO4 or Li-ion 3.85V batteries, press hold the MODE button to switch battery type. Note: Please Select battery type within 5 Secs after insert batteries).
  • 💫【USB 5V-2A DC Input - Fit for Wall charger / Power Bank / Solar Panel / Car USB Outlet / Computer】Decent design. You can connect this battery charger to PC,solar panel,Car USB outlet,power bank,other USB power supply. No need to buy extra wall charger; The charger Charging Current: 500mA*4 batteries,700mA*3 batteries,1000mA*2 batteries,2000mA *1 Battery(Only the right Slot Support 2000mA charging); Charging options Take care and quick charging batteries of different types & capacities.
  • 💫【USB Output Discharging - Support 5V 1A USB Output 】(Only the right slot support output charging)This charger can be used as power bank. And charge your phone. After 5-10 minutes of the charging, the voltage will drop, and it can not continue to charge. You need to remove the battery for 2-5 minutes and then reinstall the battery to charge your mobile phone again. Please ensure the battery level is above 70%(RECOMMEND 18650 Li-ion BATTERY). This function is designed for emergency cases.
  • 💫【Worry-Free Warranty & Good Customer Service】We provide best quality products and best customer services. For your any concerns, Customer service response within 48 working hours.Just buy it with confidence. It is Worry Free and Hassle Free.
Rank No. #9
WISSBLUE 18650 Battery Charger 3.7v 1.5v, LCD Display Battery Charger, 2A Fast Charger for Li-Ion Batteries 26650 21700 18490 18350 17670 17500 16340 14500, RCR123A, Ni-MH/Ni-Cd A AA AAA
  • 【Extensive compatibility】:Not only compatible with 26650, 18650 li-ion batteries, but also most cylindrical rechargeable batteries. The charger will automatically recognize the battery type, 3.6/3.7 V Li-ion LiFePO4 IMR INR ICR batteries 18500 16340 and 1.5V/Ni-mh/Ni-cd batteries AAAA AAA AA A that length ranging from 29mm to 65mm
  • 【Fast Charger with LCD Display】: The 18650 battery charger has an LCD display, The button C switches the monitoring status, which can display the charging voltage, charging time, charging capacity, and charging progress% of each charging slot. Button A switches the charging current, the 2500mAh battery can be fully charged in 1.5 hours
  • 【Advanced Protection & Safety Use】: Compliant standard - UL cUL CE TUV GS PSE FCC RoHS. Built-in intelligent circuits protection to protect the battery safety charged. A protection against short circuit, overheat, over-voltage and over-discharge. Distinctively, the discharging function can decrease the hurt of battery, making it more efficient and environmentally friendly.
  • 【Example of charging time】: Button A Eneloop 2000mAh AA 1.5 Hour, Amazonbasics 800mAh AAA 0.5-Hour at 1 amp rapid Current, Flat Top 3.7V 3400mAh Lithium ion Panasonic NCR18650B 2-Hour, 3.6V 2500mAh Li ion High Drain LG HE2 1.5-Hour
  • 【Wide application】: There are 4 slots on its surface for you to charge 4pcs different batteries at the same time (is suitable for charging most types of Li-ion / NiMH /NiCd / IMR / LiFePO4 / AA batteries). Besides, its sprigs are adjustable and durable to keep batteries linked tightly. Our products have passed UL certification to ensure the safety performance and quality of the products. If you encounter any problems during use, you can contact us.
Rank No. #10
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 17670 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

Last update on 2021-01-14 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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