DIY 16×18650 Power Bank Case with Wireless Charging

4.8 Β· 5 reviews
Price range: $7.35 through $27.76

Durable DIY power bank case with detachable design and LCD battery capacity display.

  • Supports 16x18650 batteries (not included)
  • QC3.0 fast charge and 5W/10W wireless output
  • Compatible with 99% of USB devices
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Estimated Delivery Time3–7 business days

Robust DIY Power Bank Shell

Crafted from premium plastic, this power bank case offers a wear-resistant and durable shell that supports user customization with 16 flat-top 18650 lithium batteries (not included). Its detachable design simplifies assembly and maintenance for a personalized portable charger solution.

Advanced Quick Charge Features

Equipped with QC3.0 quick charge technology, this case supports multiple USB output voltages (5V/3.1A, 9V/2.0A, 12V/1.5A) and Type-C PD fast charging for both input and output. Compatible with QC2.0, PD2.0/3.0, FCP, AFC, and other fast charge protocols.

  • QC3.0 USB output speeds charging
  • Type-C port supports PD fast input/output
  • Safe compatibility with most USB devices (smartphones, tablets, computers)

Wireless Charging Convenience

Choose between normal or quick charge versions offering 5W or 10W wireless charging output. Easily charge Qi-enabled devices wirelessly while on the go with this compact, lightweight power bank case that keeps devices powered without cumbersome cables.

  • 5W wireless charging (normal)
  • 10W wireless charging (quick charge)

Real-Time Battery Monitoring

Integrated LCD digital display allows clear real-time tracking of battery capacity, so you know exactly how much charge remains. This feature is essential for managing power usage during outdoor activities or travel.

  • Accurate battery capacity readout
  • Helps optimize power usage

Comprehensive Safety Protections

Multiple safety features include protection against over-temperature, short circuits, over-current, over-voltage, battery overshoot, and reset issues. This ensures reliable and safe operation during charging and discharging cycles.

  • Temperature protection
  • Short circuit and over-current safeguards
  • Over-voltage and battery overshoot protection

Key Specifications

  • Material: Durable plastic
  • Battery: 16x 18650 flat-top lithium cells (not included)
  • Size: 186 x 80 x 44 mm
  • Color options: White, Black
  • Weight: Lightweight and portable

What's in the box

  • 1 x DIY Power Bank Case (batteries not included)
Categories
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Weightβ€”
AvailabilityIn stock
SKUGA_103069

Discussion

4.8
Based on 5 reviews
Rating
p***p August 6, 2026 β˜… β˜… β˜… β˜… β˜…

I'm buying again. Very high-quality block. I like it. You pick it up and you have something in your hands.

AliExpress Shopper June 5, 2026 β˜… β˜… β˜… β˜… β˜…

Everything is fine, but the product manual is missing.

AliExpress Shopper December 20, 2025 β˜… β˜… β˜… β˜… β˜…

Definitely good

AliExpress Shopper November 28, 2025 β˜… β˜… β˜… β˜… β˜…

everything is fine
It works very well.

AliExpress Shopper September 29, 2025 β˜… β˜… β˜… β˜… β˜…

Very nice

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