4×18650 DIY Power Bank Case with USB & Type-C Ports

4.6 Β· 33 reviews
Price range: $6.41 through $6.43

DIY power bank case kit houses 4x18650 batteries (not included) with 15000mAh capacity.

  • Supports USB and Type-C input ports
  • Multiple output ports charge devices simultaneously
  • Compatible with iPhone, Samsung, and more
  • Easy assembly with plug-and-play design
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Estimated Delivery Time3–7 business days

Versatile DIY Power Bank Case

Create your own portable power bank with this DIY case designed to hold 4×18650 batteries (not included). Its universal compatibility supports devices like iPhone and Samsung, offering a reliable charging solution wherever you go.

The sleek plastic case comes in black or white and fits into your daily life with ease.

Robust Battery Capacity & Simultaneous Charging

Equipped to house four 18650 batteries, this case provides a substantial 15000mAh capacity to keep multiple devices charged throughout the day.

  • Two USB output ports for charging multiple devices at once
  • Supports simultaneous USB and Type-C input for efficient power replenishment

Wide Protocol Support for Fast Charging

Enjoy rapid charging with support for multiple fast charge protocols, including PPS, PD3.0/2.0, QC4+/QC4/QC3/QC2.0, AFC, FCP, SCP, PE2.0/PE1.1, and SFCP.

  • Output: 5V 2A
  • Input: 5V 2A
  • Plug-and-play operation with easy activation

Convenient Features & Easy Assembly

Assembly is straightforward, allowing you to build your power bank quickly. A side button doubles as an LED light switch for added functionality.

  • Durable plastic material with compact dimensions
  • Available in black or white finish
  • Includes LED light for convenience

Key Specifications

  • Model: KA4 ordinary 10W
  • Capacity: 15000mAh
  • Battery type: 4×18650 (not included)
  • Ports: 2 USB output, 1 Type-C input, 1 USB input
  • Charging output/input: 5V 2A
  • Supported fast charging protocols: PPS, PD3.0/2.0, QC4+/QC4/QC3/QC2.0, AFC, FCP, SCP, PE2.0/PE1.1, SFCP

Package Contents

The package includes one DIY Power Bank Case Kit ready for assembly.

  • 1 x Power Bank Case Kit
Categories
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Weightβ€”
AvailabilityIn stock
SKUGA_102245

Discussion

4.6
Based on 33 reviews
Rating
AliExpress Shopper June 8, 2026 β˜… β˜… β˜… β˜… β˜…

Item is good butt charging speed is very slow. almost one hour for 10% charging

c***r March 12, 2026 β˜… β˜… β˜… β˜… β˜…

Excellent and comfortable for a heated vest, it offers good battery life without being too heavy. You need to use good batteries, of course.

D***o March 12, 2026 β˜… β˜… β˜… β˜… β˜…

+++ perfect +++

AliExpress Shopper March 8, 2026 β˜… β˜… β˜… β˜… β˜…

A box from a twenty-watt charger, but inside there's a regular one-two-ampere power bank without fast charging.

AliExpress Shopper March 7, 2026 β˜… β˜… β˜… β˜… β˜…

everything works, but when I received the pre-order, the case was in a bag, the protective glass, the screwdriver and screws were also in the bag and in the case, but here they just poured it into a bubble wrap bag and that's it, and the glass has no protective film. It feels like it's already used.

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