5V 2.1A Dual USB Digital Display Power Bank Module

The 5V 2.1A Dual USB Digital Display Power Bank Module is a high-efficiency boost converter board designed to transform single-cell 18650 or 3.7V lithium batteries into a reliable, portable power source. Engineered for DIY power bank projects, this module features two USB-A output ports that can simultaneously deliver up to 2.1A of combined current, providing fast charging capabilities for your smartphones, tablets, and other USB-powered gadgets.

This module stands out with its intelligent digital LED display, which provides real-time monitoring of both battery percentage and input/output status, ensuring you never run out of power unexpectedly. The onboard micro-USB input supports charging your battery pack with standard 5V adapters. It includes comprehensive protection circuits against overcharging, over-discharging, and short circuits, making it a safe and essential component for students, makers, and DIY enthusiasts building portable electronic devices.

Features:

• Dual USB-A Output: Equipped with two USB-A ports to charge multiple devices at once with up to 2.1A total output.
• Digital LED Display: Clearly shows battery capacity in percentage and indicates charging status.
• Integrated Safety Protection: Built-in safeguards protect against overcharge, over-discharge, and short-circuit conditions.
• Easy Setup: Features clearly marked B+ and B- pads for secure, solder-friendly battery connections.
• Compact Efficiency: Highly efficient boost converter circuitry maximizes the runtime of your lithium battery pack.

Package Includes:

• 1 x 5V 2.1A Dual USB Digital Display Power Bank Module