Best 18650 Power Supply

OPOLAR 9 Inch Battery Powered Rechargeable Desk Fan with 6700mAh Capacity, Battery Operated USB Fan with Long Working Time, Whisper Quiet, Personal Cooling Fan for Camping & Home & Office & Hurricane

  • 【Long Working Time】 This fan can run with one or two rechargeable 18650 batteries. One battery can last for 5 to 7 hours and two can last for 8 to 11 hours..
  • 【OPOLAR Biggest Desk Fan】 This 9 inch desk fan is the biggest desk fan among OPOLAR Store, which can be drove with a 5V USB cable or Li-ion battery. Note: This fan cannot be run with regular battery, except 18650 battery..
  • 【Quiet and Easy-operated】 With OPOLAR’s latest dynamic technology, the fan produces a great air and runs very quietly. It will not disturb your work and sleep. Two simple settings make it easy operated..
  • 【Multiple ways of charging】The fan comes with 2 of the best quality lithium-ion 18650 3350mAh batteries. You can also power or charge the fan via USB to use with computers, power banks, or wall adapters, etc..
  • 【Adjustable Head】The sturdy metal frame is able to be adjusted 360 degree up and down so you can choose the wind direction easily according to your preference..
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SunFounder Raspberry Pi UPS Power Supply Module V2.0 Supports Pass Through Charging, 5V/3A Lithium Battery Power Pack Expansion Board Compatible with Raspberry Pi 4, 3 and All Model B/B+

  • ➢Raspberry Pi UPS - A Power Supply Module designed for Raspberry Pi UPS compatible with Raspberry Pi 4, 3 and all Model B/B+ series. Also suitable for other boards powered by USB (5V/3A) such as Banana Pi/ODROID-C4..
  • ➢Pass Through Charging - Requires two 18650 Batteries (not included), with Pass through Charging function, it can power to the Raspberry Pi while charging ..
  • ➢Over Charge/Discharge Protection - Charging ends when the total battery voltage reaches 8.4V. When the single battery voltage is below 3.2V, the battery protection activates and the battery is no longer discharged..
  • ➢Balance Charging & Over Heating Protection - The battery charging current will be reduced or even discharged if the voltage of a single battery exceeds 4.2V. If the temperature reaches 75 degrees Celsius, the DC-DC will shut down to prevent overheating damage..
  • ➢UPS Output: 5V/3A, UPS Input: 5V/2A, Dimension: 90mm x 56mm x 24mm.
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18650 Smart Battery Charger Universal Intelligent Charger LCD Display for 26650 18350 17670 18700 21700 20700 Li-ion IMR INR ICR Ni-MH Ni-Cd AAA AA Batteries 4 Slot Discharge Function

  • 【Charging Fast】: The charging current can be selected between 500 mA / 1000 mA / 1500 mA / 2000 mA. Intelligent auto identification of different....
  • 【Apply to】: 32650, 26650, 26500, 25500, 22650, 22500, 21700, 20700, 18700, 18650, 18500, 18490, 18350, 17670, 17650, 17500, 17350, 16650,....
  • 【Function】: 4 slot discharge function, Charging any size rechargeable batteries simultaneously, Overheat and overcharge protection, Automatically....
  • 【Power bank function】: By attaching two or more 18650 battery, out put of 5 V / 2A can be achieved. When one 18650 battery is installed, USB....
  • 【High efficiency】: Large LCD display states the voltage, current, charging time, mode, battery type, internal resistance,battery capacity data..
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Battery Operated Fan, 9 Inch Camping Fans Rechargeable, Battery Powered USB Fan with 5200mAh Rechargeable Battery, Quiet Personal Cooling Fan with Metal Frame for Camping & Home&Office&Hurricane

  • 【Long Working Time】 This fan can run with one or two rechargeable 18650 batteries. One battery can last for 4 to 6 hours and two can last for 6 to 10 hours. If you have any questions, please contact us at [email protected] We will send you replacement or issue a full refund within 12-month warranty period..
  • 【 USB Desk Fan】 This 9 inch desk fan can be driven with a 5V USB cable or Li-ion battery. Note: This fan cannot be run with regular battery, except 18650 battery..
  • 【Quiet Battery Powered Fan】 With latest dynamic technology, the fan produces a great air and runs very quietly. It will not disturb your work and sleep. Two simple settings make it easy to operate..
  • 【Multiple ways of charging】The fan comes with 2 of the best quality lithium-ion 18650 2600mAh batteries. You can also power or charge the fan with the USB cable connected to computers, power banks, or wall adapters, etc..
  • 【360 ° Rotation】The sturdy metal frame is able to be adjusted 360 degree up and down so you can choose the wind direction easily according to your preference..
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UniqueFire 1508 IR 940NM LED Infrared Light Night Vision Flashlight T75 75MM Convex Lens Focus Adjustable Torch with Interchangeable Torch Head System

  • INVISIBLE IR 940NM LIGHT: IR 940NM is NOT a regular light with white LED for general lighting purpose. It emits invisible but high power IR light with....
  • ASPERICAL LENS: 75MM Lens rotary focusing torch suitable for hunters.Illuminate much farther with smaller light spot.The perfect torch for hunters. 3....
  • SOLID BODY AND MODE MEMORY: Body made of Aircraft Aluminum Alloy. Dimension: 265mm(Length)/81mm(Head)/25mm(Body)/28mm(Tail) Weight: 482g (without....
  • CAN ONLY BE POWERED BY 18650 BATTERY, NEVER USE CR123A: With operating voltage of 3.7-4.2V, It is powered by 1 x 18650 or 2x 18650 Li-Lon rechargeable....
  • PACKAGE INCLUDED:1x T75 IR 940 Flashlight (Battery is NOT included ). Please beware that: you won’t see any light with your bare eyes (only a small....
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Hosyond DIY Bluetooth Speaker Kit Build Your Own Portable Speaker Electronic Sound Amplifier Music Player for Children Gift (Red)

  • This DIY bluetooth speaker is made of transparent acrylic panel, which is not only fashionable and beautiful, but also full of technology..
  • Using 2.5-inch 5W 8-ohm stereo dual speakers, while ensuring clear and loud sound quality, it can also provide a good bass effect, allowing you to enjoy a good music experience..
  • Support three modes: Bluetooth 5.0, U disk, TF memory card. It is in Bluetooth mode by default. There is a button to switch the playback mode at any time..
  • Only one 18650 battery (not included) is needed, it is a mobile and portable Bluetooth speaker, which can be recharged in a cycle, without the need to always connect to the power supply, allowing you to enjoy music anytime, anywhere..
  • Easy to assemble, no soldering iron required, with installation instructions, just use the provided screwdriver to complete the assembly. Very safe and fun as a gift for kids..
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Victagen Universal Smart Charger,Speedy 18650 Battery Charger for 3.7V Batteries 14500 Lithium Batteries Ni-MH Ni-Cd C IMR 10440 Rechargeable Battery

  • Universal Battery Charger for - Ni-MH Ni-Cd A/AA/AAA/AAAA 10340 10350 10440 10500 12340 12500 12650 13450 13500 13650 14350 14430 14500 14650 16500 16340 16650 17350 17500 17650 17670 18350 18490 18500 18650 Batteries (2*pcs 18650 batteries included ).
  • Smart Charger- Intelligently identify input power and automatically adjust suitable charge current, the charger can automatically detect Li-ion and Ni-MH batteries and charge different type of batteries at SAME TIME and SEPARATELY, 2 Charging Slots Can Work Individually..
  • Controlled By Intelligent Circuits( MCU ) - Safety goes first. Automatically stop charging when detecting improper input voltage, defective or short circuit or non rechargeable batteries. Features reverse polarity protection.Automatically stop charging when the battery is full, will not cause over charge..
  • Power Bank Function - When the left slot has been put into the charged lithium battery, charger now can be a power bank provide output power to your external devices, it is not only a charger but also a power bank..
  • Visible Charger With LCD Screen - The default two slots are 1A current fast charge mode, press the MODE button for more than 2 seconds, automatically switch to 0.5A current slow charge mode. LCD Power Indicator shows the bat....
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SureFire Fury Dual Fuel Single-Output LED Tactical Flashlight, Black

  • Dual fuel battery technology allows for power by either two 123A lithium batteries or a single 18650 lithium-ion rechargeable battery.
  • Virtually indestructible ultra-high-output LED generates 1,100 lumens of blinding light with two 123A batteries and 1,500 lumens with the included SF18650B micro USB lithium ion rechargeable battery.
  • Mil-Spec hard anodized aluminum body, tempered window and O-ring seals make light rugged and durable.
  • Press tailcap slightly for momentary-on, or fully press and click for constant-on.
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11.1V 5200mAh 6 Cell Lithium ion 18650 57.72Wh Rechange Battery Pack with 2 Pin MTA-100 Connectors

  • Lithium Ion 11.1V 5200mAh 57.72Wh 18650 6 Cell Battery Pack.
  • High Density Rechargeable Battery Pack - Heavy Weight Battery Pack - Not a Light Weight Cheap Battery Pack..
  • US Stock/Supply , US Company, US Shipping and Tech Support, Get Assistance nearly 24/7 via phone or text.
  • Heavy Duty 18 Gauge Wire. Comes Pre-tipped with a 2 Pin Female Connector and Includes a Loose 2 Pin Male Connector for you to Install on Your Device to Match the Battery Pack Connector. You Can Also Remove the Connector from the Battery Pack to fit your own Connector or make a Charger..
  • This Light Weight and High Energy Density Battery Pack has a Higher Capacity than most other Rechargeable Battery Packs. An Installed IC Chip Pevents the Battery Pack from Over Charge and Over Discharge. It Helps Protect the Battery Chemistry Integrity and Prolongs Battery Life. Perfect for Projects and Devices that Requires a 11V-12V Battery Pack for Power..
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11.1V 2600mAh 3 Cell Lithium ion 18650 28.86Wh Rechange Battery Pack with 2 Pin MTA-100 Connectors

  • Lithium Ion 11.1V 2600mAh 28.86Wh 18650 3 Cell Battery Pack.
  • High Density Rechargeable Battery Pack – Heavy Weight Battery Pack – Not a Light Weight Cheap Battery Pack..
  • US Stock/Supply , US Company, US Shipping and Tech Support, Get Assistance nearly 24/7 via phone or text.
  • Heavy Duty 18 Gauge Wire. Comes Pre-tipped with a 2 Pin Female Connector and Includes a Loose 2 Pin Male Connector for you to Install on Your Device to Match the Battery Pack Connector. You Can Also Remove the Connector from the Battery Pack to fit your own Connector or make a Charger..
  • This Light Weight and High Energy Density Battery Pack has a Higher Capacity than most other Rechargeable Battery Packs. An Installed IC Chip Pevents the Battery Pack from Over Charge and Over Discharge. It Helps Protect the Battery Chemistry Integrity and Prolongs Battery Life. Perfect for Projects and Devices that Requires a 11V-12V Battery Pack for Power..
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