Best Vape Battery Charger 21700 In August 2025

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In this article, we will present the top 10 Best Vape Battery Charger 21700 available on the market, along with our expert reviews. Get one of them and have fun! You’ll love it!

To help you in your search, we have completed this list of the Best Vape Battery Charger 21700.

Top Rated Best Vape Battery Charger 21700 Of 2025

Rank	Product Name	Score
1	Smart Rechargeable Battery Charger for Ni-MH Ni-Cd A AA AAA C SC F6 Buy Now	9.7 Buy Now
2	Miboxer C4 V3 Universal 18650 Charger 4 Slots for Rechargeable Batteries Ni-MH Ni-Cd Buy Now	9.5 Buy Now
3	18650 Battery Charger,MiBOXER Smart Universal 4-Bay Automatic LCD Display,Fast Charging Rechargeable Li-ion LiFePO4 Buy Now	9.1 Buy Now
4	18650 Smart Battery Charger 4 Bay Universal 3.7v Li-ion Rechargeable Battery Chargers Intelligent Buy Now	8.8 Buy Now
5	Universal Smart Battery Charger 4 Bay for Rechargeable Batteries Ni-MH Ni-Cd AA AAA Buy Now	8.6 Buy Now
6	DOTTMON LED 4-Slots Intelligent Universal Battery Charger for 3.6V/3.7V Li-ion 10440 14500 14650 Buy Now	8.3 Buy Now
7	Speedy Battery Charger,Universal Smart Rechargeable Battery Charger for AA AAA C Li-ion IMR Buy Now	8.1 Buy Now
8	DOTTMON LCD Smart Universal Battery Charger 4 Bay for Rechargeable Batteries AA AAA Buy Now	7.8 Buy Now
9	Nitecore New i4 2016 Intellicharger Smart Battery Charger for Li-ion IMR Ni-MH NiCd Buy Now	7.5 Buy Now
10	Universal Battery Charger,MiBOXER 8-Bay Smart Charger with Automatic LCD Display,Fast Charge Rechargeable Li-ion Buy Now	7.2 Buy Now

1. Smart Rechargeable Battery Charger for Ni-MH Ni-Cd A AA AAA C SC F6

• 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.
• 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.
• 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.
• 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.
• 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.)

2. Miboxer C4 V3 Universal 18650 Charger 4 Slots for Rechargeable Batteries Ni-MH Ni-Cd

• 1.rich lcd display:4 slots charge independently with large lcd screen show the battery internal resistance, capacity, current, battery type, charge mode,charge time and battery percentage,
• 5.safe and quality assurance:with lifepo4 memory function,with ce,rohs,fcc certificates, 3 years guarantee.
• 2.large charge current:max output current(1.5a*2/1.3a*3/1.0a*4,for li-ion batteries:charge 1-2pcs battery,max current is 1.5a, 3pcs batteries, max current is 1.3a, 4 batteries together, 1a max for each slots for ni-mh/ni-cd: 1a*4 max
• 4.charging current setting:the charging current can be set up by manual and automatically,10 gears charging current can be set.
• 3.strong compatibility:the slot length up to 78mm, it can compatible with almost all rechargeable cylindrical batteries, like li-ion( 4.25v / 4.35v ) / imr / inr / icr / lifepo4:14500/18650/21700(with protect board)/26650/aa/aaa/sc,support car charging.

3. 18650 Battery Charger,MiBOXER Smart Universal 4-Bay Automatic LCD Display,Fast Charging Rechargeable

• Package battery fast charger(without battery), power cord, user manual. our smart battery chargers come with 3 years warranty.any quality problems or questions,just feel free to contact us by email ,protected
• Universal battery chargerthe universal 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(1.4...
• Muti-functional lcd displaythis 18650 and aaa/aa battery 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.
• Safety protection,3 year warrantymiboxer 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...
• Fast chargeing, easy to usethis 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 det...

4. 18650 Smart Battery Charger 4 Bay Universal 3.7v Li-ion Rechargeable Battery Chargers Intelligent

• Intelligent charger battery charger will stop charging automatically when battery was fully charged, charger with ce, fcc, rohs certificates.
• 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).
• Triple protection with reverse-battery protection and short current protection, with the function of active and repair "zero voltage" lithium battery.
• 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.
• Smart led indicatorsmart led charging status indicator which turns from red to green when battery is fully charged.

5. Universal Smart Battery Charger 4 Bay for Rechargeable Batteries Ni-MH Ni-Cd AA AAA

• 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 cells voltage and type, charging current and time independently. 2 charge current (500ma slow/ 1000ma fast) and 3.2v lifepo4 options to be chosed manually.
• 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 protect...
• 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.
• 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.
• 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.

6. DOTTMON LED 4-Slots Intelligent Universal Battery Charger for 3.6V/3.7V Li-ion 10440 14500 14650

• The product applies to 3.6v/3.7v li-ion: 10440 14500 14650 16340 16650 17650 17670 18350 18490 18500 18650 18700 22650 20700 21700(only for flat top) 22700 25500 26650 26700 (not for aa or aaa batteries).
• Usb charging: common micro-usb input makes it possible to be powered up by any usb 5v output, like wall chargers, power banks, car chargers etc.
• Fully charge indicate: the led indicators will turn green when corresponding batteries are fully recharged.
• Smart charger: automatically detects battery capacity, select charging current. automatically adapts to usb input power.
• Portable and compact: the input usb charging cable is integrated with the charger, easy to carry and charge. 30 days free refund, 2 years free replacement, lifetime maintenance.

7. Speedy Battery Charger,Universal Smart Rechargeable Battery Charger for AA AAA C Li-ion IMR

• Fast and intelligently charging: 2 different charge current options to choose from 0.5a to 1a. 2 slots work independently, it will stop once completing charge intelligently.really smart and fast battery charger for you.
• Universal charger: compatible with:li-ion imr inr icr 21700 26650 25500 22650 18650 18490 18500 18350 17670 14500 10440 batteries, ni-mh ni-cd aa aaa aaaa c sc batteries.note: because 21700 battery has many modified sizes. be sure to measure the size of your battery. avoid wasting your precious time. not suitable for batteries longer than 73.5 mm
• Safety assurance: high precision digital calibration, compliant standard--ul cul tuv gs pse fcc ce c-tickcb rohs including safe and fire prevention pc+abs material,heat-resisting, low temperature resistance and scratch.resistance, emc electromagnetic compatibility, 8 hours full load aging. power board isolated from other circuit boards totally to ensure safety.
• Package includes: 1 x 18650 battery charger , 1 x usb cable. if you have any problems please feel free to contact with us.
• Upgraded lcd display: 2 buttons can control each slot separately and each battery parameter such as voltage (v), current (ma), schedule( percentage) and battery type can be viewed independently by pressing the corresponding button.

8. DOTTMON LCD Smart Universal Battery Charger 4 Bay for Rechargeable Batteries AA AAA

• Universal charger for: ni-mh ni-cd a aa aaa aaaa c d sc battery, 3.6v/3.7v li-ion 26650 25500 22650 21700(only for flat top) 20700 18650 18490 18500 18350 17670 16340 rcr123a 14500 10440 rechargeable batteries.
• Four slots smart charger: automatically detects battery capacity, select charge mode. automatically adapts to usb input power.
• Intelligent detection: it can show the real capacity of the battery without any power after finishing charging.
• Safety performance: protects against reverse, short circuit, overcharge, over discharge, over-current.
• Lcd display: the energy-saving lcd screen displays charging voltage (v), charging current (a), charging capacity (mah), battery type (li-ion/nimh). please peel off the protective film on the lcd screen before using.

9. Nitecore New i4 2016 Intellicharger Smart Battery Charger for Li-ion IMR Ni-MH NiCd

• 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
• Optimized charging design for imr batteries, with new imr battery recovery feature
• Twice the charging speed of the i4 charger, up to 1.5a. compatible with 1.2v, 3.7v, 4.2v, 4.35v batteries
• 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

10. Universal Battery Charger,MiBOXER 8-Bay Smart Charger with Automatic LCD Display,Fast Charge

• Universal battery chargerthe universal 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(1.4...
• Muti-functional lcd displaythis 18650 and aaa/aa battery charger with large screen display 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.
• Fast chargeing, easy to usethis intelligent battery charger charges 8 rechargeable different type of cylindrical chargeable batteries simultaneously. you can set the single-channel charging current up to 1.5a max. automatically/manually select the optimum charge current. supports 8-bay simultaneous independent charging without affecting. please noticed that it can aut...
• Safety protection, 3 year warrantyour 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 sopped charging automatically. if the battery is over discharged, our smart charger can even activ...
• Package battery fast charger(without battery), power cord, user manual. our smart battery chargers come with 3 years warranty.any quality problems or questions,just feel free to contact us by email ,protected