This DIY power bank kit offers a versatile and practical solution for powering various devices. Designed for flexibility, it allows you to insert your own rechargeable 18650 batteries (not included), making it an economical and customizable portable power source. Perfect for charging mobile devices like phones and tablets or powering electronics projects such as Arduino boards and sensors, its compact design and standard USB port ensure simple and reliable connections. Ideal for DIY enthusiasts and electronic applications

Specifications

• Voltage: 5v
• Output Current: 1A
• Overvoltage protection
• Compatible battery: 18650(not included)

The battery must be right installed before you can use it. Installing the battery must pay attention to the positive and negative