10 Best 18650 Battery Charger of August 2025

• Adopt negative voltage control technology to improve charge efficiency and integrated intelligent power management system;
• High definition LCD displays real time charging status, Two sets of led indicators show independently when charging, making the charging process visible status and stopping once completing charge intelligently;
• Temperature protection: Stop charging automatically if the temperature of charger or battery gets too high when charging. Stainless steel rail is more durable and smooth. Worldwide voltage, suitable for the whole world, car adapter is available;
• Compatible for Li-ion batteries 18650 18490 18350 17670 17500 16340(RCR123), 14500 Ni-MH/Ni-Cd A AA AAA batteries and 3.7V lithium battery and so on;
• Snado Intelligent Charger - We guarantee the quality before the item ships. 30 Days Free Refund, 2 Years Free Replacement, Lifetime Maintenance.

Snado

• 1. Safety First: S2 Charger's Compliant Standard--UL cUL TUV GS PSE FCC CE C-TICKCB ROHS, and with Fire Retardant Materials, Intelligent Circuits and Worldwide Warranty, Please confirm your battery is genuine / not damaged / quality / Rechargeable before charging.
• 2. Universal Charger for All Types of: NiMH NiCd A Double A Triple A AA AAA AAAA C SC Battery, Li-ion Lithium-ion LiFePO4 IMR INR ICR 26650 25500 22650 18650 18490 18500 18350 17670 16340 RCR123A 14500 10440 Rechargeable CR123 CR123A Li ion Batteries.
• 3. 2 Bay Speedy Rechargers for: Eneloop 2000mAh AA 2-Hour, Nickel Amazonbasics 800mAh AAA 0.8-Hour, 3.7V Button Top Lithium ion 3400mAh Panasonic NCR18650B 3.5-Hour, 3.7 Volt Flat Top Liion 2500mAh LG HE2 2.5-Hour @ 1A Fast Charge Current.
• 4. 2 Slots Smart Chargers: Automatically Detect battery Status, Select Charge Mode, Cut Off Power at Full or Overtime, and LCD Display Each Cell’s Voltage and Type, Charging Current and Time.
• 5. What you get: S2 2 Slot Smart Recharger, DC Vehicles / AC Wall Adapter, Happy Card with 24 Hours Warm Service, 30 Days Free Refund, 2 Years Free Replacement, Lifetime Maintenance.

EASTSHINE

• 【 USB Battery Charger 】Battery charger with Red/Green led light display, safe and fire prevention PC+ABS material Battery Charger, with heat-resisting, low temperature resistance and scratch resistance;
• 【 4-Bay Battery Charger 】The universal battery charger 4 charging slots 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.
• 【 Multi-function 】 The 4 bay can be adjustable for different battery length.This battery charger is suitable for 3.7V Li-ion rechargeable batteries such as 26650/18650/18500/18350/17670/16340/14500/10440 rechargeable batteries.
• 【 Universal USB port 】 The latest design USB port battery charger, battery charger operating voltage is 5V, So do not worry about high voltage to bring you harm and disaster. USB charging help travelers can charge lithium ion batteries anytime anywhere, especially when you don’t have enough outlet,you can even simply plug into your laptop or other device.
• 【 PACKAGE INCLUDE 】 1pcs USB 4-slot Smart 18650 Battery Charger; Battery charger size: 4.7x3.5x1.2in. Warranty: Gracetop provides customers with 30 days money back guarantee and 1 years warranty service.

GRACETOP

• 4-BAY BATTERY CHARGER - With 4 independent charging slots, our smart charger support to charge for different types of DC 3.7V cylindrical lithium batteries simultaneously: 18650 18659 20650 18650 16850 Li-ion Protected Rcr123 Quad 3.2 Volt Arlo Battery. (18650 battery is 18mm in diameter * 65mm in height )
• SAFETY GUARANTEED - This battery charger is equipped with an advanced charge management circuit. Moreover, It is designed with security protection settings, the charger can effectively prevent reverse, short circuit, overcharge, over-discharge, and over-current damage. Just use it without any safety anxiety.
• MUTI-FUNCTIONAL LCD DISPLAY - This Intelligent battery charger With a large and clear LCD display, which can show voltage, current, charging time, battery type, internal resistance and battery capacity data, so that you can get the charging data easily.
• HIGH-QUALITY MATERIAL - Rechargeable Battery Charger is made of PC Fire retardant material. The excellent heat dissipation and electronic circuit design, which can prolong the service life of your battery.
• WHAT YOU WILL GET - A battery fast charger(battery and DC 5V/2A adapter is not included), a power cord, a Happy Card with 24 Hours Warm Service, 60 Days Free Refund, 2 Years Free Replacement, Lifetime Maintenance. Any quality problems or questions, please don't hesitate to contact us by [email protected].

Unzano Intelligence life

• Twice the charging speed of the i4 charger, up to 1.5A. Compatible with 1.2V, 3.7V, 4.2V, 4.35V batteries
• Optimized charging design for IMR batteries, with new IMR battery recovery feature
• Automatically detects battery power status and displays charging progress, and automatically stops charging when complete
• For use with Li-ion / IMR / LiFePO4: 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 / NiCd: AA, AAA, AAAA, C, D
• For use with Rechargeable batteries only. Do not attempt to charge primary cells such as Alkaline, Zinc-Carbon, Lithium, CR123A, CR2 or any other unsupported chemistry

Nitecore

• 🔋UNIVERSAL CHARGER FOR: Li-ion LiFePO4 IMR INR ICR 26650 25500 22650 18650 18490 18500 18350 17670 16340 RCR123A 14500 10440 Batteries, Ni-MH Ni-Cd A AA AAA AAAA C SC Batteries.
• 🔋SAFETY PERFORMANCE: Compliant standard - UL cUL CE TUV GS PSE FCC RoHS C-TICKCB. Built-in intelligent circuits protection to protect the battery safety charged.
• 🔋MULTI CHARGE OPTIONS: 4 independently bay, 2 charge curent (500mA,1000mA), meet your different needs at the same time.
• 🔋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.
• 🔋PACKAGE INCLUDES: 1x Keenstone 4 Slot Smart Battery Charger, 1xAC Adapter, 1xCar Adapter, 1xManual

Keenstone

• Strong Practicality: Can charge for different types of DC 3.7V cylindrical lithium batteries 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 18700, 22650, 20700, 21700, 22700, 25500, 26650, 26700 and 1.2V NiMH/NiCD AA, AAA, A, C, SC, F6 rechargeable batteries.
• Intelligent Charger: Has four independent charging channels, it can charge four lithium batteries at the same time. Users can choose different charging current to meet the needs of slow charge or fast charge. And the charger will display the status of each rechargeable battery when charging.
• 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.
• UL Certification: Our product has been tested, got safety certificate and meets the applicable published standard. The UL Mark is proof of product compliance to North American safety standards.
• What You Get: BO4-Pro Smart Charger, Power Cord, User Manual, Warranty Card, 24 Hours Warm Service, 60 Days Free Refund, 2 Years Free Replacement, Lifetime Maintenance. Warm tips: this charger with no wall adaptor, you can use any DC 5V/2A adapter. (Different input currents will affect the actual charging current. It is recommended to charge with 5V2A.)

Basen

• 1. Safety First: S4 4 Slot plug in Recharger Compliant Standard--UL cUL TUV GS PSE FCC CE C-TICKCB ROHS,and with Intelligent Circuits, Fire Retardant Materials. Please confirm your battery is genuine / not damaged / quality / Rechargeable before charging.
• 2. 4bay Universal Charger Charges Simultaneously almost all types Rechargeable Batteries of Multiple Different Specifications: NiMH Ni-Cad Double A Triple A AA AAA AAAA C SC Nicd, Lithium-ion Li-FePO4 IMR INR ICR 26700 26650 26500 25500 22650 18700 18650 18490 18500 18350 17670 17650 17500 17355 16650 16340 RCR123A 14650 14500 14430 10440 18659 20650 18560 Liion Protected Rcr123 Quad 3.2 Volt Battery etc.
• 3. 4cell Speedy Charger for: Button Top Eneloop 2000mAh AA 2 Hour, Amazonbasics 800mAh AAA 0.8-Hour at 1 amp rapid Current, Flat Top 3.7V 3400mAh Lithium ion Panasonic NCR18650B 3.5-Hour, 3.6V 2500mAh Li ion High Drain LG HE2 2.5-Hour @ 1A quick Charge Current.
• 4. Four Pack Cells Digital LCD Display Smart Charger: Automatically Detect battery Status, Select Charge Mode, Cut Off at Full Power or Overtime, and LCD Screen Displays Each Cell’s Voltage and Type, Charging Current and Time Independently. 2 Charge Current (500mA Slow/ 1000mA Fast) and 3.2V LiFePO4 Options to be Chosed Manually.
• 5. What you get: EASTSHINE S4 Universal 4 Slots updated 2020 Household Battery Chargers, DC 12V - 24V Auto Vehicles / AC 100V - 240V US Wall Adapter, User Manual, Happy Card with 24 Hours Warm Service, 30 Days Free Refund, 2 Years Free Replacement, Lifetime Maintenance. Do not charge a damaged / inferior battery.

EASTSHINE

• 【Universal Battery Charger】-The universal battery charger is fully compatible with Li-ion / IMR / INR / ICR / LiFePO4(3.6V): 18650 22650 18490 18350 17670 17500 10440,1.2V NiMH/NiCD AA, AAA, A, C, SC, F6 Types of rechargeable batteries.
• 【Charging Fast】-It provides 3 charging current choice as 500mA / 1000mA / 2000Ma by pressing the A button. 4 slots can working for different type batteries, simultaneously.Our chargeable battery charger is made of PC Fire retardant material,with excellent heat dissipation and electronic circuit design
• 【MUTI-FUNCTIONAL LCD DISPLAY】This 18650 and AAA/AA battery charger with large screen display can show Each Cell’s 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.
• 【SAFETY PERFORMANCE】-Support special charge and discharge management circuit.Made from fire resistant, flame retardant and heat dissipation design,multiple security protection settings,effectively prevent reverse, short circuit, overcharge, over discharge, over-current damage to the battery, which makes users using the product without any safety concern.
• 【100% GUARANTEE QUALITY】We promise 60 days 100% MONEY REFUND, 90 days WARRANTY return policy and Lifetime Maintenance,support 24-hour after-sale services.Please Contact us without hesitate if you need any help.

Unzano

• 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.
• The charger tests batteries’ real capacity by “charging-discharging-charging” the batteries
• Detect the battery type,select the most suitable charging method
• 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%

XTAR