Caution: While installing the battery, please pay attention to battery polarity; placing the battery with the wrong polarity will damage the Power Bank's circuit.

Note: The battery is not included; customers need to purchase the battery separately. It will come in many colors and will be shipped randomly.

This 5V USB Power Bank Case is a compact and lightweight enclosure designed to convert a single 18650 lithium-ion battery into a functional power bank. Made from durable aluminum, the case offers enhanced heat dissipation and protection. It comes equipped with a standard USB output port for charging devices and a micro USB input port for charging the battery inside. Perfect for DIY portable charging solutions.

Features:

1. Compatible with a single 18650 rechargeable Li-ion battery (not included)
2. Converts battery to 5V USB output to charge smartphones, Arduino boards, and other USB-powered devices
3. Aluminum alloy body for better heat dissipation and durability
4. Built-in charging and protection circuit
5. Micro USB input for charging the battery inside
6. LED indicator for charging status

Specifications:

• Input: Micro USB 5V
• Output: USB 5V/1A (typical)
• Battery Support: 1 × 18650 Li-ion battery (flat-top recommended)
• Material: Aluminum Alloy
• Dimensions: Approx. 95 × 22 mm
  

Package Includes:

1 × 5V USB Aluminium Body Power Bank Case (Battery Not Included)