TOP PICKS
Bestseller No. 1
18650 Battery Charger,4 Bay 3.7V Li-ion Battery Charger with Smart LCD Display 2A Fast Charging for Rechargeable Batteries Lithium NI-MH NI-Cd AA AAA C 18650 18350 18700 21700 26650 14500 16340
- 4 Bay 18650 Battery Charger: The 4 Bay charge independently without interfering with each other, and the rechargeable battery charger is made of flame-retardant PC material with excellent heat dissipation and electronic circuit design
- LCD Display: LCD display is used to monitor the information of four slots. The screen can display each battery parameter independently, such as voltage, current, charge, battery type. Touch the screen switch to adjust the screen brightness (30s of inactivity will reduce the brightness)
- WIDE COMPATIBILITY：Compatible with all 3.7v Li-Ion Batteries and 1.2v NiMH/NiCd AA Batteries: 18650 21700 21750 18700 10440 14500 16340 17335 17500 17650 18350 18500 26650 25500 and AA AAA C Batteries. The charger will automatically identify the battery type and charge independently. Applicable battery length ranges from 29mm to 70mm
- 2A Fast Charging: Our universal battery charger can deliver up to 2A of current (for lithium-ion batteries), ensuring a rapid full charge. For AA /AAA,NiMH/NiCd batteries, our 18650 charger can provide up to 300mA of charging current, ensuring all types of batteries can be revitalized as quickly as possible.
- What will you get：4 Bay battery charger *1 ， USB C cable *1 ， User Manual *1 Excellent customer service, responding within 24 hours
Bestseller No. 2
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. 3
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. 4
XTAR VC4SL 3A Fast Charger 4-Bay, 18W QC3.0 Adapter Included, LCD Battery Analyzer for Li-ion 21700 18650 & NiMH AA/AAA Rechargeable Batteries
- 【Universal Charging for All Your Batteries】 Stop juggling multiple chargers. This smart 4-bay charger simultaneously handles both Lithium-ion (3.6V/3.7V: 10440, 14500, 18650, 20700, 21700, 26650) and Ni-MH (1.2V: AAA, AA, A, SC, C) batteries. Each slot operates independently, automatically applying the correct charging method for the inserted cell—so you can charge a mix of 21700 and AA batteries at the same time with complete peace of mind.Noted:Package Not included any batteries
- 【Real-Time LCD Monitor for Full Control】 Knowledge is power. The high-visibility LCD screen puts you in control by displaying real-time data for each battery bay. Cycle through and view the charging current (A), voltage (V), accumulated capacity (mAh), internal resistance (mΩ), and battery type at a glance. You're not just charging; you're informed every step of the way.
- 【5 Customizable Currents + 3 Professional Modes】 Versatility meets precision. Choose from five charging currents (0.25A, 0.5A, 1A, 2A, up to 3A) to safely charge anything from tiny AAA to high-capacity 26650 cells. Beyond standard charging, the VC4SL doubles as a diagnostic tool: Grade Mode: Tests and reveals the true remaining capacity of your batteries. Storage Mode: Charges or discharges cells to a safe voltage for long-term storage. IR Measurement: Checks internal resistance to help you identify aging or failing batteries.
- 【3A Turbo Charging with Advanced Safety】 Included 18W Quick Charge 3.0 adapter delivers a powerful 3A charge to compatible batteries, getting you back up and running fast. This high-speed charging is backed by an upgraded protection system that guards against reverse polarity, short circuits, overcharging, and overheating. The stripe-crack housing design further enhances safety by maximizing heat dissipation, keeping the charger cool even during demanding charging sessions.
- 【Complete Kit & 24-Month Peace of Mind】 Arrive ready to use right out of the box. This all-in-one package includes the XTAR VC4SL charger, a USB-C cable, a user manual, and a fast-charging 18W QC 3.0 wall adapter. No need to hunt for the right power brick. Plus,Your purchase is backed by our responsive US-based customer service team. We stand behind the quality of the XTAR VC4SL with a 24-month product assurance period. If you have any questions about setup, compatibility, or performance, just contact us—we promise to respond within 12 hours with a solution.
Bestseller No. 5
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. 6
4-Bay Charger Independent Charging for 1-4 Li-ion Batteries with Multiple Protections and LED Indicators Compatible with 10440, 14500, 16340, 16650, 14650, 18350, 18500, 18650, 5V 2A
- Independent Charge Design: The 4-Bay Smart Charger offers an independent charge design for 1-4 3.7V Li-ion batteries, models 10440, 14500, 16340, 16650, 14650, 18350, 18500, and 18650. Each slot is equipped with smart chip technology that ensures efficient and safe charging without interference.
- Multiple Protection Features: This charger is built with a comprehensive protection system that includes overcharge, over-temperature, short-circuit, reverse polarity, and over-discharge protection. These features safeguard your batteries and prolong their lifespan while ensuring a safe charging process.
- Intelligent Control with LED Indicators: The charger features intelligent control with LED lights that clearly indicate the charging status. A red light stays on during charging, and a green light indicates when the batteries are fully charged. Additionally, when the charger is connected to power without batteries, the green light remains on for easy visibility.
- Sub-Slot Design for Enhanced Compatibility: The high-standard sub-slot design ensures compatibility with a variety of battery sizes and prevents poor contact issues. This design is both effective and convenient for users looking to charge multiple battery types
- High-Temperature Resistance and Efficient Heat Dissipation: Engineered with high-temperature resistance materials, this charger effectively addresses the issue of overheating during charging, providing a safer and more reliable charging experience.
Bestseller No. 7
18650 Charger XTAR VC4H Battery Charger 4 Bays Updated 21700 Battery Charger USB C Charger Not Including Batteries
- 4 Bay Universal Charger Charges Simultaneously almost all types Rechargeable Batteries of Multiple Different Specifications: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 32650; 1.2V NI-MH NI-CD: AAAA AAA AA A SC C D. (Note: It can charge protected 20700 21700 batteries)
- 4 Pack Cells Digital LCD Display Smart Charger: Automatically detect battery status, select charge mode. LCD screen shows Charging current, Battery voltage, Battery charged capacity( Put into the batteries Capacity , not the battery full capacity), Battery types and channels. You can know the charging status clearly
- 18650 High Quality Charger: Type-C Powered （Can't use 100W USB-C to USB-C cable)）, compatible with all 5V USB power. It can choose 2A/1A/0.5A charging current, (Note: Recommend 5V / 3A power source or above to maximize efficiency.)
- Passed many international safety and quality certifications, such as RoHS, CE, FCC, and so on. With Intelligent Circuits, Fire Retardant Materials. Please confirm your battery is genuine / not damaged / Rechargeable before charging
- What You Get: 1*XTAR VC4H Universal 4 Slots updated 2022 Household Battery Chargers, 1*manual, 1*USB cable, , (Package Not including batteries and adapter)
Bestseller No. 8
MIEKLALE 18650 Battery Charger,8+2 Bays Battery Charger with LCD Display
- 【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.
SaleBestseller No. 9 −15%
XKXKTkol 18650 Battery Charger, 4 Bay Battery Charger with LCD Display
- VERSATILE UNIVERSAL CHARGER for a wide range of battery types, including 18650, RCR123A, and more. Compatible with Li-ion, Ni-MH, Ni-Cd, and other rechargeable batteries, ensuring you stay powered up
- Faster and Efficient Charger: This 18650 Battery Charger has three levels for intelligent auto-set current 500mA /1000mA/2000mA, Note:2000mA current is fixed only for the fourth slot.
- USER-FRIENDLY LCD DISPLAY showcases vital information for each charging slot. Monitor battery status including voltage, current, and time easily by pressing the designated buttons for intuitive use
- 72MM Long Slot: This 4BAY battery charger suitable for most rechargeable Batteries, The maximum length of the rechargeable battery is 72MM. (Note: It cannot charge 1.5V Li-ion AA AAA batteries）
- ENHANCED SAFETY MEASURES, including overcharge and short circuit protection, ensure your peace of mind while using this Li-ion battery charger. Enjoy safe and efficient recharging of your batteries
Bestseller No. 10
Keenstone 18650 Battery Charger, 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.
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.
