DIY External Battery Pack Kit C9 – Dual Input, 18650 Cell (6 Slots)

C9 DIY External Battery Kit – 18650 Rechargeable Power Solution

Create your own custom power bank with the C9 DIY External Battery Kit, engineered for enthusiasts and makers who demand flexibility and performance. With dual input (Type-C + Micro USB) and support for 6 × 18650 battery cells, this kit delivers reliable 5V/2A power output, ideal for everyday charging.

🔧 Product Specifications:

• Model: C9

• Input: 5V/2A (Dual – Type-C & Micro USB)

• Output: 5V/2A

• Battery Support: 6 × 18650 rechargeable cells (not included)

• Size: 150 × 76 × 22 mm

• Color Options: Black, White

• Cell Type: 18650 lithium battery (DIY installation)

📦 What’s Included:

• 1 × C9 DIY External Battery Pack Kit (no battery included)

⚠️ Precautions:

• Monitor color differences may affect product appearance

• Manual measurement may vary by 1–3cm

💡 Ideal For:

• DIY tech enthusiasts

• Emergency backup battery builders

• Portable power projects for smartphones, tablets, and gadgets

• Educational kits or makerspace applications

C9 DIY external battery kit with 6-slot 18650 design and dual USB input