DIY Power Bank Kit Li-Ion 18650 - Dual Battery Case with USB & Type C

The DIY Power Bank Kit is a simple and reliable solution for building your own portable power bank, making it an essential addition to any electronics enthusiast, technician, or DIY maker.

This kit allows you to use two 18650 Li-ion batteries to create a compact and powerful USB power source. With no soldering required, it is easy to assemble and perfect for beginners and makers alike.

Designed with a durable ABS shell and efficient power conversion, it provides stable 5V output for charging smartphones, modules, and other USB devices.

Perfect for makers, students, and STEM labs where portable power and hands on building are essential.

Highlights:

• DIY Power Bank: Build your own portable charger.
  
• No Soldering Required: Easy and beginner friendly assembly.
  
• Dual 18650 Support: Uses 2× Li-ion batteries.
  
• USB Output: Charge phones and devices easily.
  
• Compact Design: Portable and practical for everyday use.

Specifications:

• Type: DIY power bank kit.
  
• Battery Type: 2× 18650 Li-ion (not included).
  
• Input: 5V / 2.1A (Type C).
  
• Output: 5V / 2.4A (USB A).
  
• Ports: Type C input, USB A output.
  
• Display: Digital power indicator (25%, 50%, 75%, 100%).
  
• Conversion: Synchronous rectification.
  
• Material: ABS plastic.
  
• Application: Portable charging, DIY power systems.
  
• Dimensions: ~99×44×25mm.
  
• Weight: ~50g.

Ideal For:

• 🔧 DIY power bank builds.
  
• ⚡ Portable charging solutions.
  
• 🤖 Robotics and electronics projects.
  
• 🧰 Battery powered systems.
  
• 🎓 Arduino & STEM education projects.
  

Note:

• Batteries are not included.
  
• Use only high quality 18650 cells for safe operation.
  
• Ensure correct battery polarity when installing.
  
• Product appearance may vary slightly from the images shown.
  
• Text or markings on the power bank may differ depending on the batch.