• Front view of the assembled 8x18650 power bank case with the digital LED display lit, showing 94% battery capacity.
  • Top-down view of the empty 8x18650 power bank chassis next to its textured back cover, showing internal circuitry.
  • Instructional diagram showing the correct positive (+) and negative (-) orientation for installing 18650 batteries into the power bank case.
  • Close-up of the I/O ports on the PD22.5W power bank, including two USB-A outputs, a USB-C input/output, and a Micro-USB input.
  • Back of the fast-charging power bank case, displaying the model number, 20000mAh capacity, and supported charging specifications.
  • Sleek black textured front of the 20000mAh DIY power bank enclosure with the screen off.
  • Complete DIY kit for PD22.5W power bank case, shown with screwdriver, screws, and four 18650 batteries ready for installation.
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PD22.5W 8x18650 Power Bank Case | DIY Fast Charging Battery Box

PD22.5W 8x18650 Power Bank Case | DIY Fast Charging Battery Box

HK$75.00
HK$75.00
Sale Sold out
Shipping calculated at checkout.

Build Your Own High-Capacity, Fast-Charging Power Bank!

Unleash the power of customization with our PD22.5W DIY Power Bank Case. Designed for tech enthusiasts who love to build their own gear, this case allows you to create a massive 20,000mAh portable charger using your own eight 18650 flat-top batteries. It’s the ultimate solution for power on the go, supporting all major fast-charging protocols.

Key Features:

  • Massive Capacity: Houses 8 x 18650 batteries (not included) to create a power bank with up to 20,000mAh capacity, perfect for long trips, emergencies, or heavy daily use.
  • 22.5W Super Fast Charging: With an output power of up to 22.5W and 95% efficiency, it rapidly charges your devices. Supports 5V-4.5A, 4.5V-5A, 9V-2A, and 12V-1.5A.
  • Universal Compatibility: Equipped with extensive fast-charging protocol support, including PPS, PD3.0, QC4+, AFC, FCP, and more. It’s compatible with virtually any smartphone or USB device.
  • Clear Digital Display: The integrated LED screen shows the precise remaining battery percentage, so you always know when it's time to recharge.
  • Dual LED Flashlights: Built-in twin LED lights provide a convenient and bright light source for navigating in the dark or during emergencies.
  • Solder-Free Assembly: Easily install or swap out batteries without any soldering required. Just pop them in, ensuring correct polarity, and you're ready to go.

Wide Protocol Support:

  • Output Protocols: PPS/PD3.0/PD2.0, QC4+/QC4/QC3.0/QC2.0, AFC, FCP, SCP, PE2.0/PE1.1, SFCP
  • Input Protocols: PD3.0/PD2.0, AFC, FCP, SCP, PE

Specifications:

  • Model: L8
  • Battery Type: 8 x 18650 Flat-Top Batteries (Not Included)
  • Capacity: Up to 20,000mAh (depends on batteries used)
  • Dimensions: Approximately 18.5cm x 8cm x 2.5cm
  • Color: Black
  • Power Display: Digital LED Display
  • Flashlight: 2 x LED

Important User Reminder:

For the most accurate power display, please follow these steps after installing the batteries:

  1. Charge the power bank to 100%.
  2. Fully discharge it to 0%.
  3. Repeat this charge/discharge cycle at least once more. This calibration ensures the LED display reflects the true battery level.

Package Includes:

  • 1 x 8*18650 Power Bank Case
  • 1 x Screwdriver and Screws

Please Note: This product is a DIY case and does not include batteries.

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