DIY 18650 Power Bank Shell Kit | USB 5V Charger Case

Build your own portable charger with the WYMECT DIY 18650 Power Bank Shell Kit — a versatile battery storage box designed for tinkerers, makers, and tech enthusiasts. This easy‑to‑assemble power bank case lets you create a custom 5 V USB charger using a single 18650 battery (battery not included), perfect for phones, small devices, and on‑the‑go power needs.

DIY 18650 power bank shell case kit with USB 5V output for portable charging

🔌 Key Features:

• DIY Assembly Kit: Includes shell and power motherboard — you provide the 1×18650 lithium battery to complete your portable power bank.

• USB 5V/1A Output: Standard USB output supports charging of smartphones, earbuds, and other compatible devices.

• Compact & Portable: Lightweight plastic enclosure (95 mm × 43 mm × 25 mm) is ideal for travel and everyday use.

• Safe & Clean Design: No high‑concern chemicals and stable DC input/output (5.0 V).

• Maker‑Friendly: Great choice for DIY projects, custom builds, and educational electronics.

📦 Package Includes:

• 1 × DIY Battery Storage Box (battery not included)

⚠️ Note: This kit does not include a retail box but is securely packed before shipping.

👉 Shop now to build your own custom portable power bank — perfect for makers, tech DIYers, and anyone who loves hands‑on projects!