10 Best Diy Power Bank for 2024

Mobile Accessories

Are you someone who never wants to run out of power on your electronic devices? Whether you're an avid traveler, a nature enthusiast, or simply concerned about power outages, having a reliable power bank is essential. In this article, we will delve into the realm of do-it-yourself power banks and present to you the 10 best options available for 2023. These ingenious devices allow you to harness the power of technology and create your own portable charging solution. Join us as we explore the features, capabilities, and user reviews of these DIY power banks, ensuring you never find yourself without power again.

 

The LHIABNN DIY Power Bank is a compact and lightweight external battery pack that allows you to make your own power bank using loose 18650 batteries. With two output ports and three input options (Micro, Type C, Lighting), this power bank offers convenience and versatility. The plastic case is easy to install and uninstall, making it suitable for on-the-go use. However, once the case is closed, it is difficult to reopen, making it a single-use device. The black color and sleek design add to its appeal. While it may not be the fastest at charging, this power bank gets the job done. It is perfect for DIY enthusiasts and those looking for an affordable option to repurpose their spare batteries.

Key Features

  • Size: 17x8x2.3cm
  • Material: Plastic
  • Compact and lightweight design
  • Easy to install and uninstall
  • Convenient take and use
  • Specifications

  • Color: Black
  • Pros

  • Allows you to reuse loose 18650 batteries
  • Two output ports and three input options for versatility
  • Compact and lightweight design for easy carrying
  • Affordable option for making your own power bank
  • Cons

  • Once closed, it cannot be reopened without damage
  • Not the fastest at charging
  • Limited to USB A output, no USB C output
  • May not fit batteries with overcurrent protection
  •  

    The LHIABNN DIY Power Bank offers a convenient and affordable solution for repurposing loose 18650 batteries. With its compact design and easy installation, it is perfect for DIY enthusiasts. While it may not be the fastest at charging and lacks a USB C output, it gets the job done for most users. The single-use nature of the device, once closed, may be a drawback for some. Overall, if you have spare batteries lying around and want to create your own power bank, this product is worth considering.

     

    The Battery Charger Case is a portable DIY power bank box that allows you to charge 3.7v Li-ion rechargeable batteries. It features a LCD display that shows battery voltage, current value, and remaining battery power. With 2 USB outputs and dual-port input (micro and type-c), you can easily charge your devices on the go. The case can also function as a 10000mAh or 14000mAh rechargeable treasure when filled with batteries. It has a bad battery detection function that alerts you if a bad battery is loaded or if the battery poles are installed incorrectly. Please note that batteries are not included. Overall, this product offers versatility and convenience for users who want to charge their devices anytime, anywhere.

    Key Features

  • Multifunctional charging case with LCD display
  • Mobile power function with dual-port input
  • Bad battery detection function
  • Portable and compact design
  • Specifications

  • Color: Case
  • Dimension: 4.49Lx3.23Wx0.94H
  • Size: Small
  • Pros

  • Can charge 3.7v Li-ion rechargeable batteries
  • LCD display shows battery information
  • Dual-port input for convenience
  • Portable and lightweight design
  • Cons

  • No batteries included
  • Flimsy case construction
  • Slow charging and discharging
  • Display readability issues
  •  

    The Battery Charger Case is a versatile and portable solution for charging 3.7v Li-ion rechargeable batteries. With its multifunctional design and LCD display, it offers convenience and ease of use. The dual-port input and USB outputs allow you to charge your devices on the go. However, the case construction could be sturdier, and the charging and discharging speed may not be ideal for some users. The display readability could also be improved. Overall, if you have spare batteries and are in need of a portable charging solution, the Battery Charger Case is worth considering.

     

    The 2PCS 186 50 Charging Board Dual USB 5V 2.4A Mobile Power Bank Module is a portable backup power supply that allows you to charge your devices on the go. It has an input that matches the 5.0V adapter for convenient charging. With its built-in battery, it can provide a 5.0V/3.0A USB2.0 supply output for external devices. The module offers various protection features including overcharge protection, overdischarge protection, short circuit protection, and constant current. It supports three USB data cable charging, making it compatible with both iPhone and Android devices. Its compact size of 6.5 * 2.5 * 0.1cm makes it easy to carry around. The module has dual output current of 5V 2.4A and an input voltage of 3.0 – 4.2V.

    Key Features

  • Portable backup power supply
  • Input matches 5.0V adapter
  • 5.0V/3.0A USB2.0 supply output
  • Overcharge, overdischarge, and short circuit protection
  • Supports three USB data cable charging
  • Specifications

    Pros

  • Convenient and portable
  • Multiple protection features
  • Compatible with i Phone and Android devices
  • Cons

  • Limited to dual USB output
  • No specifications provided
  •  

    The 2PCS 186 50 Charging Board Dual USB 5V 2.4A Mobile Power Bank Module is a practical and reliable solution for charging your devices on the go. Its compact size and multiple protection features make it an ideal companion for travel or everyday use. With its dual USB output, you can charge two devices simultaneously. However, it would have been even better if it had additional USB ports to connect more devices. Overall, this power bank module offers a convenient and efficient way to keep your devices powered up.

     

    The Hilitand 8×18650 Battery Box Automatic Identification of Charging No Welding Jacking DIY Power Bank Shell Kit is a versatile accessory for mobile phone users. With its DIY installation, users can enjoy the fun of creating their own power bank. The battery box is easy to install and use, offering practicality and high reliability. It comes in two different colors, allowing users to choose according to their preference. The box is made of high-quality materials, ensuring good performance and a long service time. It supports all models of mobile phone charging, providing convenience for users. However, some customers have experienced issues with the charging speed and the difficulty of disassembling the box. Despite these drawbacks, the Hilitand 8×18650 Battery Box receives a customer rating of 4.1 out of 5.

    Key Features

  • DIY installation, enjoy the fun of DIY
  • Easy to install and use, very practical, high reliability
  • 2 different colors for you to choose, meet your different needs
  • High quality, good performance, long service time
  • Supports all models of mobile phone charging
  • Specifications

  • Color: Black
  • Dimension: 0.00Lx0.00Wx0.00H
  • Pros

  • DIY installation provides an enjoyable experience
  • High-quality materials ensure good performance
  • Supports charging for all models of mobile phones
  • Cons

  • Charging speed may be slower than specified
  • Difficult to disassemble once closed
  • May not be suitable for certain DIY projects
  •  

    The Hilitand 8×18650 Battery Box is a useful accessory for those who enjoy DIY projects and need a versatile power bank for their mobile phones. It offers the convenience of supporting all mobile phone models and is made of high-quality materials, ensuring good performance and durability. However, customers should be aware of the potential issues with charging speed and the difficulty of disassembling the box. Overall, the Hilitand 8×18650 Battery Box provides a practical solution for mobile phone users in need of a customizable power bank.

     

    The Cuifati Power Bank Kit DIY is a versatile and efficient power bank shell case that allows you to create your own power bank. With fast charging capabilities, dual USB output ports, and high efficiency, this power bank case is compatible with various devices. It supports PD2.0 and PD3.0 input/output protocols and can provide different voltage gears. The DIY Type C Power Bank Case is designed for fast charging with BC1.2, Apple, and Samsung cellphones. Its compact size and sturdy build make it a reliable choice for powering up your devices on the go.

    Key Features

  • Fast Recharge: Up to 5.0A battery charging current
  • Dual Charging: 2 USB output ports for simultaneous charging
  • High Efficient: Up to 95% efficiency
  • Widely Compatibility: Compatible with fast charging for BC1.2, Apple, and Samsung cellphones
  • Supported Protocols: PD2.0, PD3.0, PPS output protocol
  • Specifications

  • Color: Default
  • Dimension: 5.71Lx2.95Wx0.98H
  • Size: 1 Count (Pack of 1)
  • Pros

  • Fast charging capability
  • Dual USB ports for simultaneous charging
  • High efficiency
  • Widely compatible with various devices
  • Supports different voltage gears
  • Cons

  • Difficult to open the case once closed
  • Quality control issues reported
  • May need initialization for accurate battery percentage display
  •  

    The Cuifati Power Bank Kit DIY offers an innovative and practical solution for creating your own power bank. With its fast charging capabilities, dual USB output ports, and compatibility with various devices, it provides convenience and efficiency. Although there are some issues with case opening and quality control, the overall performance and features of this power bank case make it a worthwhile purchase for those looking to customize their power bank. While considering the minor drawbacks, it remains a reliable and durable option for keeping your devices charged on the go.

     

    The Hilitand 10 x 18650 DIY Power Bank Case is a portable power bank enclosure that allows users to assemble it themselves. With its high-quality ABS material, it provides durability and a long service life. The case features two USB output ports and supports charging for all models of mobile phones. Its compact size and lightweight design make it easy to carry and store. The LCD display provides convenient information about the power bank's status. Although it doesn't support fast charging, it offers stable characteristics and reliability. However, some users have reported issues with the product, such as poor construction and quick discharge. Overall, it is a decent DIY power bank case with room for improvement.

    Key Features

  • Fine workmanship, DIY installation
  • Professional manufacturing, stable characteristics and high reliability
  • Supports all models of mobile phone for charging
  • Made of high quality ABS material, sturdy and durable
  • Small size and lightweight, easy to carry and store
  • Specifications

  • Color: Black
  • Dimension: 0.00Lx0.00Wx0.00H
  • Pros

  • DIY installation for added fun
  • Stable characteristics and high reliability
  • Supports charging for all models of mobile phones
  • Durable and sturdy ABS material
  • Compact and lightweight for portability
  • Cons

  • Doesn't support fast charging
  • Reports of poor construction and loose components
  • Quick battery discharge in some cases
  •  

    The Hilitand 10 x 18650 DIY Power Bank Case offers an opportunity for users to create their own power bank. While it lacks fast charging capabilities, it compensates with its sturdy ABS material and reliable performance. However, there have been reports of construction issues and quick battery discharge. With improvements in quality control, this DIY power bank case could be an excellent option for those looking to customize their power banks. Overall, it is a decent product with room for enhancement.

     

    The LHIABNN DIY Power Bank Box is a versatile and convenient power bank case that allows you to create your own power bank using 18650 batteries (not included). With two USB output ports and three input ports, you can charge two devices simultaneously and easily charge the power bank using any USB cable. The LCD display provides an accurate power status, and the compact and lightweight design makes it easy to carry. It is compatible with various mobile phone models and other electronic devices that support wireless charging. However, the plastic shell of the case is brittle and the clips are prone to breaking. Despite this downside, the LHIABNN DIY Power Bank Box is a functional and affordable option for those looking to create their own power bank.

    Key Features

  • Large capacity,8 x 18650 batteries (batteries not included)
  • Dual USB output ports for charging two devices simultaneously
  • Three input ports for convenient charging of the power bank
  • LCD display for accurate power status
  • Compact and lightweight design
  • Compatible with various mobile phone models and wireless charging
  • Specifications

  • Color: Black
  • Dimension: 6.69Lx3.15Wx0.87H
  • Pros

  • Versatile DIY power bank with large capacity
  • Accurate LCD display for power status
  • Compact and lightweight design for easy carrying
  • Compatible with various mobile phone models
  • Cons

  • Brittle plastic shell
  • Clips prone to breaking
  • Difficult to open once assembled
  •  

    The LHIABNN DIY Power Bank Box is a functional and affordable option for creating your own power bank. It offers a large capacity, dual USB output ports, and an LCD display for accurate power status. The compact and lightweight design makes it easy to carry, and it is compatible with various mobile phone models. However, the brittle plastic shell and prone-to-breaking clips are drawbacks that should be considered. Overall, if you’re looking for a DIY power bank option, the LHIABNN DIY Power Bank Box is worth considering, as long as you handle it with care.

     

    The Acxico 1Pcs QC3.0 USB-c PD Lithium Li-ion 18650 Battery Quick Charge Module DIY Power Bank is a versatile module that can be used to DIY or upgrade your power bank. With its W332 main control, it supports bidirectional PD, QC3.0 fast charging, and is compatible with various fast charging protocols. The module features a compact size and comes with a package that includes 1Pcs QC3.0 USB-c PD Lithium Li-ion 18650 Battery Quick Charge Module. If you encounter any issues with the product, the seller requests you to provide pictures and details for assistance. Thank you for choosing our store and feel free to contact us for any questions.

    Key Features

  • W332 version: Support charging and discharging at the same time
  • Main control: W332, compatible with more fast charging protocols
  • Module size: length 60.35mm, maximum width 23mm, maximum height 5.15mm
  • Package Included: 1Pcs QC3.0 USB-c PD Lithium Li-ion 18650 Battery Quick Charge Module DIY Power Bank
  • Seller's support: Contact seller for any issues or inquiries
  • Specifications

    Pros

  • Supports charging and discharging at the same time
  • Compatible with various fast charging protocols
  • Compact size for portability
  • Includes 1Pcs QC3.0 USB-c PD Lithium Li-ion 18650 Battery Quick Charge Module
  • Responsive seller support
  • Cons

  • Some users reported that the module only outputs power when plugged in
  •  

    The Acxico 1Pcs QC3.0 USB-c PD Lithium Li-ion 18650 Battery Quick Charge Module DIY Power Bank offers versatility and compatibility with various fast charging protocols. It allows you to charge and discharge your devices simultaneously, making it a convenient choice for DIY power bank enthusiasts. The compact size ensures portability, while the responsive seller support provides assistance when needed. However, some users have experienced issues with the module’s power output. Overall, with its features and customizable nature, this module is a practical option for those looking to create or upgrade their own power banks.

     

    The 18650 USB Power Bank is a convenient and lightweight portable charger that provides on-the-go power for your mobile devices. With its compact size and fashionable appearance, it is not only great for travel but also for everyday use around the home. This power bank features overvoltage and overcurrent protection circuitry to ensure the safety of your phone and battery. It can be used with one or two 18650 batteries, offering you flexibility in charging options. The power bank has a built-in micro input port and USB output port, making it compatible with a wide range of mobile phones and other devices. With a one-year warranty and excellent customer service, this power bank provides both convenience and peace of mind.

    Key Features

  • Portable and compact design for convenience
  • Overvoltage and overcurrent protection for safety
  • Compatible with various mobile phones and devices
  • Built-in micro input port and USB output port
  • One-year warranty and excellent customer service
  • Specifications

  • Color: Black
  • Pros

  • Compact and lightweight
  • Fashionable and elegant design
  • Can be carried in pocket or suitcase
  • Versatile charging options
  • One-year warranty
  • Cons

  • Some users reported getting empty boxes
  • Not effective in charging their phones
  •  

    The 18650 USB Power Bank is a lightweight and portable solution for charging mobile devices on the go. Its compact design and compatibility with various devices make it a versatile choice. However, some users have reported receiving empty boxes and experiencing issues with charging effectiveness. Despite these drawbacks, the power bank offers a one-year warranty and excellent customer service, ensuring customer satisfaction and peace of mind. If you’re in need of a convenient and stylish power bank, this product is worth considering.

     

    The wendeekun Battery Box Battery Case is a versatile DIY power bank that allows you to turn 10 x 18650 batteries into a portable power source. The case is made of durable ABS material and comes in a sleek black color. With this battery box, you can easily assemble your own power bank without any welding required. Its compact size makes it highly portable, allowing you to charge your devices on the go. The battery box features a simple design and is convenient to use. Simply insert the batteries, connect your devices, and you're good to go! Whether you're traveling, camping, or simply need a reliable power source, the wendeekun Battery Box Battery Case is a great option to consider.

    Key Features

  • DIY power bank for 10 x 18650 batteries
  • No welding required for assembly
  • Made of durable ABS material
  • Sleek black color
  • Compact and portable design
  • Specifications

  • Dimension: 0.39Lx0.39Wx0.39H
  • Pros

  • Versatile DIY power bank solution
  • Easy to assemble
  • Durable and high-quality construction
  • Compact and portable design
  • Cons

  • Batteries not included
  • No built-in charging capability
  •  

    The wendeekun Battery Box Battery Case is a reliable and convenient solution for creating your own power bank. It eliminates the need for welding, making assembly quick and hassle-free. The durable ABS construction ensures long-lasting performance, while the sleek black design adds a touch of modernity. The compact and portable size allows you to carry it wherever you go, ensuring you always have a power source for your devices. It’s worth noting that the batteries are not included, so make sure to have compatible 18650 batteries on hand. Additionally, keep in mind that this battery box does not have built-in charging capability, so you’ll need to charge the batteries separately. Overall, the wendeekun Battery Box Battery Case is a reliable DIY solution that offers great value for money.

     

    DIY Power Bank Buyer's Guide

    So you've decided to venture into the world of DIY power banks, a smart choice indeed! With a little effort and creativity, you can create a personalized portable power solution that fits your needs. Whether you're an avid traveler, a tech enthusiast, or simply someone who values being prepared, constructing your own power bank can be a rewarding and practical endeavor. To help you embark on this journey, here is a complete buyer's guide on DIY power banks:

    Why DIY Power Banks?

    • Unleash Your Creativity: DIY power banks allow you to express your individuality by customizing the design, size, capacity, and functionality according to your needs and preferences. It's like building your own little piece of technological art!
    • Budget-Friendly: Building your own power bank can often be more cost-effective than purchasing a pre-made one. By sourcing the components individually, you can find more affordable options and potentially save some bucks.
    • Tailored Performance: With a DIY approach, you have the freedom to choose the battery capacity, charging speed, and other features that best suit your requirements. This way, you can focus on what matters most to you, whether it's extended battery life, quick charging, or multiple ports.

    Things to Consider

    Before diving into the DIY power bank creation process, it's essential to consider the following factors:

    1. Capacity: Determine how much power you'll need to charge your devices on the go. Consider the battery capacity of your smartphone, tablet, or other devices you plan to charge using the power bank. Aim for a power bank capacity that can provide at least one full charge to your primary device.
    2. Portability: If you want the power bank to be easily transportable, opt for smaller battery cells that are lightweight. Remember, the larger the battery capacity, the heavier and bulkier the power bank will be.
    3. Charging Speed: Consider the amperage and voltage requirements of your devices to ensure the power bank can deliver adequate charging speeds. Some devices, like tablets, might require higher amperage (2.1A or more) for faster charging.
    4. Safety: Safety should be a top priority when building a power bank. Use high-quality components, ensure proper insulation, and protect the battery from physical damage or extreme temperatures.
    5. Skill Level: Assess your technical skills and comfort level with handling electronic components and soldering. Some DIY power bank projects may require basic knowledge of circuitry and soldering iron, while others can be more beginner-friendly.

    Recommended Components

    To bring your DIY power bank to life, you'll need the following components:

    • Battery cells (lithium-ion or lithium-polymer)
    • Battery protection circuit module
    • Battery connectors (spring or spot-weldable terminals)
    • Wires and soldering equipment
    • Plastic or metal enclosure
    • USB ports and wires
    • Power indicator module (optional)
    • Charging circuit module (optional)

    DIY Power Bank Building Process

    1. Planning: Assess your power bank requirements, bank capacity, dimensions, and decide on the design. Sketch a rough outline to visualize how you want your power bank to look.
    2. Sourcing Components: Gather all the required components as mentioned earlier. Ensure that the battery cells, protection circuit, and connectors are compatible with each other.
    3. Safety Precautions: Review safety precautions for handling Lithium-ion or Lithium-polymer batteries. Protect your workspace and always wear appropriate safety gear, like gloves and safety glasses.
    4. Building the Circuit: Connect the battery cells using the battery protection circuit module, making sure to follow the correct polarity. Solder the wires and connectors according to the design and circuit diagram.
    5. Assembling the Case: Place the circuit into the chosen enclosure carefully. Ensure proper insulation and avoid loose connections that may cause short circuits.
    6. Adding USB Ports: Attach the USB ports to the case, making sure they are securely connected to the circuit. Use wires to link the USB ports and the circuit.
    7. Customizing: If desired, you can add a power indicator module to display the remaining power level, or a charging circuit module for automatic charging when the power bank is connected to a power source.
    8. Testing: Before fully sealing the enclosure, make sure to test the power bank for functionality and safety. Connect it to a device and verify that it charges properly.
    9. Finalizing: Once you are satisfied with the functionality and design, carefully seal the enclosure and make sure all connections are secured to avoid any potential accidents.

     

    DIY Power Bank FAQs

    Q: How long does it take to build a DIY power bank?
    A: The time required to build a DIY power bank depends on your skill level and the complexity of the project. It can range from a few hours to a couple of days, especially if you’re new to DIY electronics.

    Q: Can I use any type of battery for a DIY power bank?
    A: It’s recommended to use lithium-ion or lithium-polymer batteries, as they offer high energy density, lightweight, and safer performance compared to other battery types.

    Q: What is the average cost of building a DIY power bank?
    A: The cost of building a DIY power bank varies based on your chosen components, battery capacity, and design complexity. On average, you can expect to spend anywhere from $15 to $70.

    Q: Is soldering necessary for building a DIY power bank?
    A: While some DIY power bank projects may require soldering to connect wires and terminals, there are also options available that allow for screw connections or spring terminals, making soldering optional.

    Q: Can I build a DIY power bank without any electrical knowledge?
    A: While having some basic electrical knowledge is beneficial, there are beginner-friendly DIY power bank tutorials available that guide you step-by-step through the process, making it accessible even for those with limited experience.