TOP PICKS
Bestseller No. 1
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 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: 𝟣𝟪𝟨𝟧𝟢 26650 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
Bestseller No. 2
18650 Battery Charger, MIEKLALE 4-Bay Universal Battery Charger with Smart LCD Display Fast Charge for Rechargeable Batteries Li-ion LiFePO4 26650 18650 16340 10440 14500 RCR123,NI-MH NI-Cd AA AAA
- Smart Universal Charger: Our 18650 Battery charger can choose Automatic Recognition and Manual Adjustment for charging. We can slect different charging types for Rechargeable Batteries Li-ion LiFePO4 26650 18650 16340 10440 14500 20700,NI-MH NI-Cd AA AAA .
- 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.
- 72MM Long Slot: This 18650 battery charger 4 Bay suitable for most rechargeable Batteries, It can Support Battery less than 72 mm Length. (Note: It cannot charge 1.5V Li-ion AA AAA batteries）
- Multi-functional LCD Screen: Our 18650 charger can display multiple working parameters, Such as Charging progress, Battery types, Charging capacity, Voltage and Current.
- Safe & Secure: This 18650 Battery charger has multiple safety protection functions: Overcharge, over-discharge, short circuit, Reverse connection, and can intelligently identify the bad battery.
Bestseller No. 3
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. 4
18650 Battery Charger,MIEKLALE 4-Bay Smart Universal Charger for Rechargeable Batteries Li-ion IMR 10440 14500 16340 RCR123 26650 17500 18490,Ni-MH Ni-Cd AA AAA
- Fast Charge: This 4-Bay quick battery charger can be independently and quickly charged in 4 slots. The charging current have four levels. It is easy to use.(Note: It cannot charge 1.5V Li-ion AA AAA batteries）
- LED Indicators: This 18650 battery charger can display the charging progress clearly;Contain battery type and size(Ni-MH/1.2V, Li-Fe/3.2V, Li-ion/3.7V, Li-ion/3.85V); Charging current(2000mA/1000mA/700mA/500mA). Attention :The 2000mA current is set only in the fourth slot.
- Wide Compatible: Our 4-bay smart battery Charger suitable for most rechargeable batteries, It can charge batteries from 30mm to 72mm in length. Included Rechargeable Batteries Li-ion IMR 10440 14500 16340 RCR123 26650 20700 17500 17700 18490,Ni-MH Ni-Cd AA AAA .
- Safety Protection: This intelligent battery charger has multiple safety protection functions, such as overcharge, over discharge, short circuit,reverse connection, It can ensure safe charging for the charger.
- Automatic diagnosis: The 18650 charger can identifie lithium-ion and Ni-MH batteries automatically, and manually adjusts the charging mode for LiFePO4 and 3.85V batteries.
Bestseller No. 6
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.
Bestseller No. 7
18650 Battery Charger,4 Bay LCD Display Smart Universal Charger for Rechargeable Batteries Ni-MH/Ni-Cd AA AAA 3.7V Li-ion Battery 21700 26650 14500 16650
- 4 Bay 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
- Fast Charging：Our 4 Bay battery charger stands out for its superior charging speed. When you charge two Li-ion batteries at the same time, each slot can provide up to 1A of current, ensuring your batteries are charged quickly. When loading 4 batteries (Li-ion/Ni-MH, NI-Cd) at the same time, the maximum current per slot is 500mA. Whether it is daily use or emergency, our charger can meet your needs for speed.
- What will you get：Battery charger *1,USB C cable *1,User Manual *1
Bestseller No. 8
Universal Battery Charger, 4 Bay Battery Charger with Smart LCD Display Fast Charge for Rechargeable Batteries Li-ion LiFePO4 NI-MH NI-Cd AA AAA C 21700 26650 13650 16340 18350 18700 RCR123
- 4-Bay Battery Charger: Our rechargeable battery charger is made of fire-retardant PC material with excellent heat dissipation and electronic circuit design. Intelligent circuit to prevent short circuit, over voltage, automatic stop charging after fully charged.
- Intelligent LCD Display: This 18650 and AAA/AA battery charger with large screen can display charging voltage, charging current, charging time, battery type, battery power percentage, and understand the charging data easily.
- Adjustable Charging Speed: Switch between 0.5A/1A/2A fast charging as you need. Note: The adjustable charging speed only applies to lithium batteries. for Ni-MH batteries, the charging speed is 0.5A. Unlike other chargers on the market, it does not require a specific charging cable. This charger has a USB C charging port, can be powered by any USB cables.
- Universal Battery Charger: This multi-bay battery charger is fully compatible with 3.7V lithium battery and 1.2V Ni-MH/Ni-CD battery. Includes: 10400/14500/14650/16340/18350/18500/18490/18650/20700/21700/22650/26650/26700/AA/AAA/AAAA/C/SC.
- What You Get: You will get 1* 4 slot battery charger, 1* charging cable, 1* user manual. If for any reason you are not satisfied with your purchased product, please contact us for a refund or replacement.
Bestseller No. 9
18650 Battery Charger, MIEKLALE 4 Bay Battery Charger with LCD Display Fast Charge for Rechargeable Batteries Li-ion 26650 18650 16340 10440 14500 20700,NI-MH NI-Cd AA AAA
- Battery types and sizes: This 4 Bay universal charger suitable for most rechargeable Batteries, Can charge batteries from 30mm to 69mm in length.(Note :It Can Not Be Charge AA/AAA Li-ion 1.5V batteries and LiFePO4 batteries)
- Indegenhhat LED Screen: This smart battery charger can display all Information in One Screen. Included Voltage(V),Current(mA),Time(h),Battery Capacity(mah) .These informations can be clearly displayed during the charging process.
- Test Battery Capacity: This 18650 Battery charger can test the capacity of our batteries. In TEST mode, We can choose Fast Test and Nor Test pattern.
- Fast and Efficient Charger: This Fast battery charger included a power adapter(12V/2A), It can make our chargers and batteries safer, and perform efficient and fast charging prograss.
- Intelligent and safe: This Smart Universal Charger has Multi-protection functions. Over Charge and Discharge,Short-Circuited,Over Temp,OV Activation,Intelligent Identification of Bad Battery and Anti-Reverse Protection.
Bestseller No. 10
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.
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.
