10 Best 18650 Diy Power Bank In The Us - Black Friday 2024
ALLMAYBE PC2 18650 Battery Charger with XTAR QC3.0 18W Wall Charger USB C Port 21700 Battery Charger with USB Output Function for 18650 20700 21700 Batteries-Not Included Batteries
Main highlights- the PC2 comes with a magnetic cover, Dust-proof and Drop-proof；Built-in Ribbon, Easy for Removing the Batteries；Rubber-painted Material, Skin-friendly Touch.Precise numerical tube displays real-time charging/discharging current and voltage, and battery capacity percentage, and supports a one-handed button to check each battery’s charging voltage and current
- Type-C and USB-A ports can both be used for output and charge two external devices at the same time, more convenient for outdoor usage. (*PC2 can also charge ‘low-current’ devices such as Bluetooth headphones and USB lights.)
- Portable Charger with Power Ban.k Function, Charge 18650 18700 20700 21700 batteries, With your own batteries, you can even DIY the capacity of the power bank up to 10000mAh+
- Package come with XTAR QC3.0 wall charger. Precise numerical tube displays real-time charging/discharging current and voltage, and battery capacity percentage, and supports a one-handed button to check each battery’s charging voltage and current
- Package List: PC2 Charger(Not included batteries), QC3.0 wall charger, Portable Pouch,USB C Cable, manual
9.9Exceptional
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Value for Money2
XBERSTARXBERSTAR 18650 Power Bank case,Li-Ion Battery Storage Box -18650 Holder for Uninterrupted Power Supply UPS DIY Battery Special Plastic DIY kit (set1)
Main highlights- You will get;3S 40A BMS -US Charger -18650 Li-Ion Battery Holder -Pure Nickel Strip(not include batteries )
- Installation: Easy and simple to use and operate, no other tools needed to install.Install the battery according to the positive and negative sides on the circuit board. Be careful not to reverse it.
- High quality battery holder case with wire leads for easy soldering and connecting.Each battery holder comes with a case cover for keeping the battery in place
- Attention: There is a specific product description on the picture, please read it in detail.
- Attention: Do not mix the good battery and poor battery to use. The internal resistance of 3 battery capacity are closer will be better.
9.8Exceptional
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3
BYNNIX18650 Charger Box USB Mobile Holder C16PD Version Power for Shell Charger Box with Lighting Power Kit 18650 DIY Removable Welding-Free 16-Section 18650 Power Kit DIY Mobile (Black)
Main highlights- Weight: about 206 grams without (for case + mainboard + spring basket + lens + lanyard).
- Size: thickness 44mm width 80mm length 186mm(internal dimensions remove spring: thickness 36mm width 72mm length 146mm).
- Cell: 18650 type flat for head x 16 (free welding).
- C16-PD with light: output/input power: 5V-3A 9V-2A 12V-1.5A.
- Application: Good performance, convenient and practical, suitable for home and professional use.
9.7Exceptional
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4
LHIABNNLHIABNN DIY Power Bank - Make Your Own External Battery Pack,2 Output 3 Input (Mirco,Type C,Lighting) - Battery Not Include (Black)
Main highlights- Size: 17x8x2.3cm
- Packing: Only 1 Pieces Plastic Case
- Material: Plastic
- Compact and lightweight design for easy carrying; Easy to install and uninstall; Convenient take and use.
- Any questions pls feel free to contact us.
9.6Exceptional
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5
LHIABNNLHIABNN DIY Power Bank Box Flat Head Battery Charger Outer Case,2 USB Output Ports Plastic Shell Box with LCD Display,Micro/Phone/Type-c Input Port Power Bank Case (Black)
Main highlights- 【Widely Use】: Compatible For Phone 11 pro max X XR XS 8 7 6 plus/6/5S,for pad,for Samsung Galaxy S8 S7 S2/S3/S4, Note 2/3/4, HTC, for Sony, Xiaomi Motorola and other cellphones. Application - Suitable for various models of mobile phones that support wireless charging fuction.
- 【LCD Display】: Accurate display of power, keep the battery status at any time.Power bank and rechargeable 18650 battery charger. Plug and Play, power output using the USB port, plug the data cable to achieve portable, ready to charge.
- 【Intelligent 18650 Battery Charger】: Compatible with 18650 Flat head lithium battery (69mm length). Each battery slot is individual charging and detection. It automatically terminates charging when the batteries are full charged.(NOTE: Please notice the positive and negative poles)
- 【Easy to Use】: Compact and lightweight design for easy carrying; Easy to install and uninstall; Convenient take and use.
- 【DIY Power Bank】: Large capacity,8 x 18650 batteries (batteries not included). Dual USB power bank, two devices can be charged at same time.Three input ports,any usb cable can charge the power bank.
9.5Excellent
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6
LIJIANILIJIANI Battery Charger Case,Portable DIY Power Bank Box with LCD Display 2 USB Output,Micro and Type c Input, Smart Charger for 3.7v Li-ion Rechargeable Battery (Battery Not Included)
Main highlights- Multifunctional charging case: 4 battery(0.7 inches in diameter - 2.56 inches long) charging case, LCD display battery voltage and current value, the remaining battery power. Can easily remove the battery to power other devices
- Mobile power function: filled with batteries, it is a 10000 mah rechargeable treasure (choose 4 2500 mah batteries), if you choose 3500 mah / a battery, it is 14000 mah rechargeable treasure. Not recommended, different sizes of batteries loaded into use at the same time
- Dual-port input : (MICRO and TYPE-C) 5V-2A, two USB output, 5V-2A, long press the switch can open the flashlight function
- Concern: This product does not include batteries, unfamiliar with Cylindrical lithium batteries, people without DIY spirit, please be careful to buy
- Bad battery detection function: if you load a bad battery, or the battery positive and negative poles are installed backwards, no battery symbols on the LCD display, only normal batteries appear battery symbols
9.4Excellent
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7
UMLIFEUMLIFE 4pcs 18650 Charging Board ，Dual USB 5V 2.4A Mobile Power Bank Module 186 50 Lithium Battery Charger Board with Overcharge Overdischarge Short Circuit Protection DIY USB Power Bank Board
Main highlights- overcharge protection, overdischarge protection, short circuit protection, constant current.Suggest Working Conditions:Max continuous charge/discharge current 1.5/2.4A,working temperature: -5～45℃.
- Size: 6.5 * 2.5 * 0.1cm;
- Dual Output Current: 5V 2.4A；Constant Current: 2.4A;
- Charging cable: support three USB data cable charging, including for Iphone and Android.
- Attention : The positive pole of the battery is connected to B+ and the negative pole is connected to B-, do not reverse it. If it is reversed, it will burn out
9.3Excellent
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8
YosooYosoo Power Bank Battery Box DIY Type C Two Way Power Bank Nesting Case, 6 Sections Power Bank Battery Container Box, Flat Head Battery Charge Outer Case Power Bank Shell Kit Accessory
Main highlights- [Wide Compatibility with Fast Charging]: The Power Bank Battery Box is compatible with various fast charging protocols, including for BC1.2, for Samsung Fast Charge Protocol, and for Huawei High Voltage Fast Charge Protocol. This ensures that you can fast charge a wide range of devices, providing convenience and versatility for all your charging needs
- [Portable and Reliable Design]: With its compact size and lightweight construction, the Power Bank Battery Box is highly portable and convenient to carry. It is made of durable ABS material, ensuring long lasting use. The included LED flashlight adds an extra layer of functionality, making it useful in emergency situations. Power up your devices with confidence and reliability wherever you go
- [High Speed Charging Capability]: The Power Bank Battery Box supports up to 5.0A battery charging current, allowing for rapid charging of your devices. With its self adaptive charging current adjustment feature, it automatically adjusts the charging speed to optimize efficiency. Experience lightning-fast charging on any USB port, making it perfect for both home and travel use
- [Exceptional Efficiency]: This Power Bank Battery Box operates at an impressive efficiency of up to 95% thanks to its synchronous switch discharging capability. It delivers a consistent and stable 5V 2A output, ensuring your devices charge quickly and efficiently. Save time and energy while enjoying a reliable and high performance power bank
- [Advanced Protocols and Voltage Support]: This Power Bank Battery Box supports advanced protocols, including PD2.0/PD3.0 two way input and output, PPS output protocol, and MTK PE 1.1 and 2.0 output protocol. It also supports voltage gear input and output (5V, 9V, 12V), making it suitable for various devices and ensuring optimal charging performance
9.2Excellent
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9
BYNNIXBYNNIX Detachable DIY Bank Box 28x18650 Faster Outer Case with Camping Light Not Included Digital Display
Main highlights- Whether camping outdoors traveling, this innovative 28x18650 Storage Box with camping light ensures you're prepareds with emergencys.
- Unlocks the convenience of detachable 18650 Holder with LCD display, quick charging capabilities, and easy maintenance.
- For all users in need of power solution, this storage box is equipped with MicroUSB/Type C/USB1/USB2/USB3/USB 4 charging interfaces.
- Can only use the 18650 of which positive electrode is flat top.
- 18650 batteries are not included in the package, you need to purchase separately.
9.1Excellent
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10
abovehillAbovehill 18650 Mobile Battery Box with LED Light and Battery Indicator,Dual USB and DC Outputs for iPhone and Android Phones
Main highlights- 5.It is equipped with 4 LED lights to display the current battery margin. Also equipped with a 5mm LED emergency light, you can bring light to you in the wild or in the dark. A variety of uses, let you like it more.
- 4.The charging and discharging part of the main control chip adopts a synchronous rectification circuit, which improves the conversion efficiency and greatly reduces the heat generation. Output current limit protection, when the rated output current is exceeded, the output voltage is automatically reduced to protect the circuit.
- 3.It is also equipped with a separate DC output port that can be adjusted with four gear positions (3.8/6/9/12V). The USB port and DC port can be used at the same time without mutual interference.
- 2.It comes with two USB output ports for Apple and Android phones. Resolved compatibility issues for charging most phones. There is an image label at the output port, which is convenient for selecting the correct port to replenish the battery in time.
- 1.It is an 18650 battery case and a mobile power box. It requires to install 6 18650 rechargeable batteries. The installed battery can be charged directly via the charger. Input voltage is 5V, current is 1A-2.1A
8.8Very Good
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