Best Charger For 21700 Batteries in 2022 [*Top Picks*]
Looking for the best charger for 21700 batteries on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.
8567 Reviews Scanned
WISSBLUE i2 Universal Battery Charger, 2 Bay 2A Fast Charger for 26650 21700 18650 18490 18350 17670 17500 16340 14500 Li-Ion Rechargeable Batteries, RCR123A, Ni-MH Ni-Cd A AA AAA
【SAFETY AND INTELLIGENCE】Comply With The Charger UL Standard, And Is Equipped With Intelligent Identification Circuit, Flame Retardant Material. Provides 2A Fast Charge When The Voltage Is Low, And Trickle Charge When It Is Fully Charged To Ensure Safety And Extend Battery Life
【Extensive compatibility】5Vusb Power Supply, Each Slot Is Charged Independently, Without Mutual Influence, Single Battery Provides 2A Current Charging, Dual Battery Provides 1A Charging, Fast Charging Effect, Compact Size Effectively Reduces The Burden Of Travel
【CHARGING TIME EXAMPLE 】Eneloop 2000mAh AA 1.5 Hours, 3.6V 2500mAh Lithium-Ion High-Power LG HE2 1.5 Hours, Half The Charging Time Than The Same Type Of Charger On The Market
[WIDE COMPATIBILITY] Suitable For Most Cylindrical Rechargeable Batteries. The Charger Will Automatically Identify The Battery Type, Lithium-Ion LiFePO4 IMR INR ICR Battery And Ni-Mh/Ni-Cd Battery AA With Length From 29mm To 65mm.
WHAT YOU WILL GET: The Latest 2020 Version Of WISSBLUE I2 Smart Battery Charger, User Manual, Free Replacement For 1 Year. Note: Do Not Charge Damaged/Poor Quality Batteries.
Fenix are-A2 Smart Battery Charger for 21700/18650/16340 with EdisonBright BBX5 Battery Carry case
Charge 1 or 2 batteries at the same time
Compatible Batteries 10440 14500 16340 18650 21700 26650 Ni-MH / NiCd: AA, AAA and C
Multiple levels of protection Short-Circuit Protection Over-Current protection, Over-Voltage protection, Reverse Polarity protection,
LCD screen display
Bundle includes EdisonBright BBX5 battery carry case
Fenix are-D1 USB Powered Smart Battery Charger for 21700/18650/16340 with EdisonBright BBX5 Battery Carry case
Compatible with Battery Types 26650、21700 18650、16340 14500、10440 AA AAA C
Batteries NOT included
USB powered battery charger
Single charging bay
Bundle includes EdisonBright BBX5 battery carry case
NITECORE UI1 Single-Slot Intelligent Lithium-ion Battery USB Charger for 18650, 18350, 20700, 21700, 16340, 14500 and More,and LumenTac Battery Organizer
POWERFUL CHARGER-The NITECORE UI1 reaches a single slot maximum charging current of 800mA when using 3.7V rechargeable batteries.
MICRO-USB COMPATIBLE - Compatible with multiple USB inputs including solar panels, adapters, and power reservoirs for quick and efficient charging.
INTELLIGENT CHARGING - The UI1 is equipped with intelligent charging mode selection that automatically adopts the optimal charging modes for batteries.
LIGHTWEIGHT AND COMPACT - Weighing 1.43 ounces and less than 5 inches in length, the lightweight and compact size of the UI1 allows you to carry it with you on the go.
UI1 CHARGER KIT - Included in this bundle is the NITECORE UI1 21700/18650 battery charger, usb cable, and LumenTac battery/cable case.
IMREN 18650 Battery Charger for 3.7V Li-ion Rechargeable Battery 18650 18490 18350 17670 17500 16340 14500 21700 Lithium Battery (2 Bay)
【IMREN 18650 Battery Charger】- Compatible for 3.7V Li-ion Lithium-ion IMR INR ICR 26650 25500 22650 18650 18490 18500 18350 16340 RCR123A 14500 10440 Rechargeable CR123 CR123A Li ion Batteries.
【Extremely Compact & Convenient】- This 18650 battery charger is small enough that you can throw it in your pocket or purse, the best choice for traveling.
【IMREN USB Battery Charger】- The intelligent battery charger comes with worldwide usage USB input, applicable for 5V/2A power bank, computer, car charger, USB wall charger, etc.
【IMREN Smart Charger】- 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.
【NOTE:】 -IMREN provides 24-hour after-sales service and will serve you wholeheartedly.Don't charge any non-rechargeable batteries, it will be danger.
POWXS Universal Lithium 18650 Battery Charger for 3.7V Li-ion 18650 26650 18490 17670 17500 22650 21700 20700 18350 16340 RCR123A 14500, AA AAA & C Ni-MH Ni-CD Rechargeable Batteries
⚡⚡⚡High Speed Charging: With POWXS advanced charging technology, POWXS 18650 battery charger delivers a blazing fast charge to your batteries, max 950mA each slot output for 3.7V batteries and max 450mA each slot output for 1.2V Ni-MH batteries , provide the fastest possible charge to all Brand C/AAA/AA batteries and 3.7V batteries in 4 hours. Good efficiency to save a lot time for you !
⚡⚡⚡Micro-USB& Type-C Dual Input: universal Micro-USB& Type-C dual input , POWXS Universal 18650 battery charger can adapt for any 5V 2A power bank, computer , car charger, USB Wall Charger etc. POWXS 18650 charger can freely charge batteries any time and anywhere.
⚡⚡⚡Universal Battery Charger: POWXS 18650 battery charger can charge for any 1.2V Ni-MH C AA AAA batteries and 3.7V 18490 18350 17670 17500 16340（RCR123）14500 18650 Li-ion Batteries, easily charge 1 -4pcs of different kinds of batteries at one time , which is your home life good partner and the reliable travel friend.
⚡⚡⚡Multi Protection : POWXS smart battery charger adopted high quality fire-proof material, along with multiple protection technologies, could effectively keep your battery away from over-charging, over-current, over-voltage, over-heated and short circuit, etc. Which eliminate your worries about fire/explosion/battery leakage.
⚡⚡⚡Smart LCD Display: With smart LCD display, POWXS Universal AA AAA battery charger can easily let you know about the charging process. The LCD display could not only flash to show the real-time power capacity when charging, but also identify the bad batteries and give signal, make your charging experience more intelligent.