Micro DIY 18650 Power Bank Case

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Specification

• Product Type: Power Bank DIY Kit

• Item Type: DIY Box & Shell

• Model: DIY 18650 Power Bank Case

• Feature: Power Bank DIY Kit

Product Description

This product is a weld-free DIY power bank case (circuit board + shell only).
It is not a finished power bank and does not include batteries.
Designed for users who want a customizable and portable power solution using 18650 batteries.

⚠️ Important Notes

1. Batteries are not included. Please use 3 × 18650 flat-head batteries.

2. All three batteries must have the same capacity.

3. Do not insert batteries in reverse, as this may damage the circuit board
   (metal plate = positive, spring = negative).

4. Install carefully — the shell cannot be opened more than once.

Features

• Large Capacity Design: Compact size with support for high power storage

• Dual Input & Output: Micro USB + Type-C input / Dual USB output

• LED Flashlight: Built-in dual LED flashlight, double-click to turn on/off

• Digital Power Display: LED screen shows real-time battery level

• Fast Charging: Charge two devices simultaneously

• No Soldering Required: Simply insert batteries and use

• Stylish & Durable: Mirror-finish design, lightweight and easy to carry

• Wide Compatibility: Suitable for smartphones, tablets, headphones, and more

• Multi-Scenario Use: Ideal for travel, outdoor activities, daily use, and school

Technical Specifications

• Input:

  • Micro USB: DC 5V / 2A

  • Type-C: DC 5V / 2A

• Output:

  • USB: DC 5V / 2A

• Battery Type: 18650 (Flat Head)

• Battery Capacity: 3 Cells

• Material: ABS

• Color: Black

Size & Weight

• Dimensions: 8.75 × 7.6 × 2.4 cm

• Weight: 50–60 g (depending on version)Package Includes

• 1 × DIY 18650 Power Bank Case
  (Batteries not included)