TOP PICKS
Bestseller No. 1
IMREN 18650 Battery Charger,21700 Battery Charger for 3.7V 14500 10400 18500 18350 18650 18700 20700 21700 22650 26650 Li-ion Battery,1.2V Ni-MH/Ni-Cd Battery,4 Bay 18650 USB C Charger
- 【18650 Battery Charger】-The 18650 Charger for -1.2V Ni-MH Ni-Cd A/AA/AAA/AAAA 10440 14500 14650 16340 17335 17500 18500 18350 18650 18700 20700 21700 22650 25500 Battery
- 【Smart 21700 Battery Charger】-The 18650 battery charger have a Single battery charging capability,You can charge any number of batteries without charging in pairs. This can better extend battery life.Intelligently identify input power and automatically adjust suitable charge current, the battery charger can automatically detect Li-ion and Ni-MH batteries and charge different type of batteries at same time and separately
- 【2000mA Fast Charger】- The 20700 battery charger there current patterns, and you can freely switch between 0.5 / 1A / 2A with the middle button.The default two slots are 1A current normal charge mode, press the MODE button, automatically switch to 2000mA current fast charge mode
- 【USB C Battery Charger】-USB C Powered Universal Intelligent 18650 Battery Charger, allows for on the go worldwide portability.the USB charging cable can be connected to USB socket, car charger, computer, phone adapter, other USB output equipment to charge
- 【75MM Long Slot】 -The 21700 battery charger has 75 mm slot, support Battery less than 75 mm, such as 21700 20700 26650 18650 battery with botton top
Bestseller No. 2
18650 Battery Charger 4 Bay Smart Universal Charger for 3.7V Rechargeable Lithium Li ion Batteries Compatible 18650 26650 21700 10400 14500 16340 16650 18500 Battery Charger (Only USB 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 flashlights headlamps batteries. Compatible with 3.7v li-ion rechargeable batteries. Such as Li-ion:26650 22650 14500 16340(RCR123) 10440 17670 18490 17500 17335
- Intelligent Charger: USB Smart Battery Charger 4-Bay Has four independent charging channels, it can charge four lithium batteries at the same time. The charging indicator allows you to clearly understand the charging status of the battery. Red light when charging, green light when fully charged
- Universal USB interface: The latest design of the USB battery charger, the working voltage of the battery charger is 5V, so you don't have to worry about the high voltage to bring you damage and disaster. USB charging can help travelers recharge their lithium-ion batteries anytime, anywhere, especially if you don't have enough outlets, and you can even simply plug it into your laptop or other device
- Safety Assurance: Smart Battery Charger 4 Slot Discharge Function Comes with special charge and discharge management circuit. With multiple security protection settings, the 4 Bay charger can effectively prevent reverse, short circuit, overcharge, over discharge, over-current damage to the Li-ion battery, which makes users using the product without any safety concern
Bestseller No. 3
18650 Battery Charger,4 Bays Fast Charge with LCD Display for 3.7v Lithium LiFePO4 Rechargeable Batteries 21700 10440 26650 14500 16340 18560 25500 Ni-MH Ni-Cd AA AAA
- Wide Compatible:Universal Charger for 3.7V Li-ion battery Li-ion LiFePO4 IMR INR ICR 26650 21700 18650 18490 18500 18350 16340 14650 14500 10440 Batteries,And charger for 1.2V Ni-MH Ni-Cd A AA AAA AAAA C SC Batteries
- Adjustable Charging Speed:Quickly press "SLOT" to view the battery information of C1/C2/C3/C4 slot.Long press "MODE" for two seconds, and then press "MODE" when 1888mA flashes on the LCD screen to switch the charging current 500mA/800mA/1000mA. Only C1 slot can set the maximum current 1999mA (Li-ion battery only, and only one battery on the charger)
- AC Direct Charge & In-car charging: The charger includes two charging cables.One can connect directly to the wall outlet and the charger. One can be connected to the car's power supply while driving. Two charging methods are convenient for you to charge at any time
- SAFE CHARGING:Safe and fire prevention PC+ABS material Battery Charger, with heat-resisting, low temperature resistance and scratch resistance;Built-in intelligent circuits protection to protect the battery safety charged.Intelligent circuit to prevent short circuit, over voltage, automatic stop charging after fully charged
- -What you get : 1x 4 slot Intelligent Charger. 1*Wall plug ;1*Car charging cable; 1* user manual.If you have any questions, please tell us at first time. We will provide professional service to solve your problems.
Bestseller No. 4
18650 Battery Charger, MIEKLALE 8+2 Bays Smart Universal Battery Charger with LCD Display for Rechargeable Batteries Li-ion LiFePO4 RCR123 16340 26650 10440 14500 & 9V, NiMH NiCd AAA AA(8+2Slots)
- 【Battery Type & Size】Our 8+2 Bays 18650 battery Charger suitable for most rechargeable batteries, It can charge batteries up to 72mm in length. Included Rechargeable Batteries Li-ion LiFePO4 RCR123 18650 26650 10440 14500 & 9V,NiMH NiCd AAA AA.(Note: It cannot charge 1.5V Li-ion AA AAA batteries）
- 【Faster Charge】This 18650 Battery Charger included a power adapter(12V/4A) , It can charge quickly in multiple channels with a 2A current simultaneously. The charging current have five levels,Provide different currents for you to choose.（Note：Only the charger is included; batteries are not included or sold.）
- 【Smart LCD Display】This Universal Battery charger can display all Information in One Screen. Included Battery Voltage(V),Current(mA),Charging Time(h),Battery Capacity(mah),Energy percentage(%),Battery internal resistance(mΩ). These informations can be clearly displayed during the charging process.
- 【Safer with Multiple Protection】The 18650 Charger has multiple safety protection functions, such as overcharge, over discharge, short circuit,reverse connection, etc., It can intelligently and automatically identify the bad battery.
- 【Widely Use】 Our 18650 Battery charger can be used in home, office, car and other environments to charge batteries, bringing convenience to our lives and work.
Bestseller No. 5
Dlypow 18650 Battery Charger 4 Bay Smart Universal Charger with USB-C Fast Charging, for 3.7V Li-ion Rechargeable Battery 18650 26650 21700 18500 18350 16340(RCR123A) 14500 10440，Cable Included
- 【Specialized Lithium ion battery charger】: Compatible with 3.7v Li-ion batteries like: 18650 26650 21700 20700 18500 18490 18350 17670 17500 16340 ( RCR123A ) 14500 10440 10340. Supports multiple batteries charging at once for convenient & easy to use
- 【Independent Fast Charging】18650 battery charger delivers up to 1000 mAh per 3.7 V lithium-ion battery. Two or more batteries are intelligently split-charged at 500 mAh each. Quickly boosting 2000 mAh 18650 batteries to 47% in just 30 minutes
- 【USB-C Input Doubles Convenience】18650 charger Enhances charging performance with a USB C interface- efficient and reliable! Enjoy stable charging for a more convenient lifestyle! (Equipped with 60 cm USB-A to USB-C cable, simple and useful)
- 【Steady & Safe Charging】Precise PWM control with multiple protection against overcharging, overcurrent and overvoltage, overheating and short-circuit. TC-CC-CV method ensures safe and efficient charging and prolongs battery life
- 【Clear LED Indicator Status】21700 Battery Charger Keeps you informed of the charging progress at a glance. Red:Charge; Green: Full Charge; Red Light Flashing: Bad Battery, Low Voltage, Activation Failure, Short Circuit, Reverse Connection
Bestseller No. 6
Nitecore UMS4 Intelligent USB-C Four Slot Quick Battery Charger for Li-Ion/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and More Batteries, with Organizer
- 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 an organizer to keep you organized when you are on the go.
Bestseller No. 7
18650 Battery Charger, Senyulian 12 Bays Smart Universal Charger LCD Display for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Li-ion LiFePO4 IMR
- 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.
- LCD DISPLAY: LCD display to monitor the 12 slots information. Each battery parameter such as voltage, Charge capacity
- 72MM Long Slot: This 18650 battery charger 4 Bay suitable for most rechargeable Batteries, It can Support Battery less than 72 mm Length.
- Safe & Secure: This 18650 Battery charger has multiple safety protection functions: Overcharge, over-discharge, short circuit, Reverse connection.
- Widely Use: Our 18650 Rechargeable Battery charger can be used in home, office, car and other environments to charge batteries, bringing convenience to our lives and work.
Bestseller No. 8
18650 Battery Charger, Universal 4 Bay Intelligent Quick Charger with LCD Display, Independent Slot for Recharging 18650 21700 26650 14500 16340 and AA AAA Rechargeable Ni-MH Batteries (Version 3.0)
- Vast Compatibility*: compatible battery diameter: 10-26mm, height: 34-75mm. Lithium batteries, Ni-MH batteries, Ni-Cd batteries, enough to hold 21700 batteries
- Fast Charging*: Batteries can be charged at max 3A per slot at the same time, which is efficient and time-saving. A 2500mAh battery can be fully charged in 1 hour.
- Multi-function*: this ultimate charger not only charges and discharges batteries, but also test capacity of batteries and repair low voltage batteries.
- LCD screen*: The battery charger can display the real-time charge/discharge capacity, voltage, current and time of 4-slot batteries.
- Safe and Reliable*: The smart charger has an automatic intelligent temperature control system. It is equipped with a temperature sensor to prevent the battery from overvoltage, overcurrent and overheating. When the battery is overheated, the charging current will automatically decrease and pass through the heat dissipation holes to accelerate heat dissipation.
Bestseller No. 9
4 Bay 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
Bestseller No. 10
18650 Battery Charger Universal Smart Charger with LED Indicator for 3.7V Li-ion 26650 18500 16650 14500 Rechargeable Batteries (4-Slot Charger)
- 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
- 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, 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
BUYING GUIDE
Choosing the best 4-bay 18650 battery charger involves considering various factors to ensure you get a charger that is safe, efficient, and suitable for your needs. Here’s a detailed guide to help you make an informed decision:
1. Charging Speed:
Evaluate the charging current options of the charger. Some chargers offer variable charging currents, which can be useful if you need to charge batteries quickly or prefer to charge at lower speeds to extend battery life. Look for a charger that balances speed with the longevity of your batteries.
2. Compatibility:
Ensure the charger is compatible with 18650 batteries, and see if it supports other battery types you may use. A versatile charger can be more useful if you have devices that use different battery sizes.
3. Safety Features:
A good charger should have built-in safety features, such as overcharge protection, short circuit protection, reverse polarity detection, and temperature monitoring. These features help prevent damage to your batteries and potential safety risks.
4. Quality and Brand Reputation:
Choose a charger from a reputable brand known for quality products. Established brands are more likely to adhere to safety standards and offer better customer support.
5. Display and Indicators:
A charger with a clear display can provide valuable information such as charging current, charging time, and battery status. LED indicators are more common in simpler models, while advanced chargers may feature LCDs with detailed information.
6. Charging Control:
Some advanced chargers allow you to control the charging process more finely, offering options like selecting the charging current for each bay or having different charging modes (e.g., fast charge, soft start).
7. Portability:
If you need to carry the charger with you, consider its size and weight. Some chargers are designed to be more compact and travel-friendly.
8. Power Source:
Check what types of power sources the charger can use. Some can be powered via USB, AC outlets, or even DC for car chargers, adding to their versatility.
9. Automatic Functions:
Features like automatic battery detection, charge rate adjustment, and auto-shutoff upon completion can enhance convenience and safety.
10. Reviews and User Feedback:
Read user reviews and feedback to learn about real-world performance and any potential issues. Look for consistent comments, either positive or negative.
11. Price and Warranty:
Compare prices and features to find a charger that offers the best value. Check the warranty and the company’s customer service reputation for handling issues and repairs.
12. Certifications:
Ensure the charger meets recognized safety standards and certifications, which can usually be found in the product description or on the manufacturer’s website.
By considering these factors, you can select a 4-bay 18650 battery charger that provides reliability, safety, and convenience, ensuring your batteries are charged efficiently and last longer.
