Dual SS 2USB Power Bank Charging circuit board–NA

Description

About this item:

The Dual SS 2USB Power Bank Charging Circuit Board is a compact and efficient charging module designed for DIY power bank projects using 18650 lithium-ion batteries. It provides dual USB outputs, allowing simultaneous charging of two devices at different current ratings. Equipped with built-in protection circuits, the board safeguards against overcharge, over-discharge, short-circuit, and overcurrent conditions.

Key Specifications:

• Input Voltage: 5V (via Micro USB)

• Output Voltage: 5V regulated

• USB Output 1: 1A (for low-power devices)

• USB Output 2: 2.1A (for smartphones, tablets, high-drain devices)

• Battery Compatibility: Standard 18650 lithium-ion cells (single or multiple in parallel, depending on design)

• Charging Current: 1A (typical via Micro USB input)

• Efficiency: Up to 90% (boost conversion)

• Additional Features:

  • Integrated LCD (on some versions) for battery status

  • Built-in protection circuitry (overcharge, over-discharge, overcurrent, short circuit)

  • Automatic power management and cut-off

Applications:

• DIY portable power banks

• Emergency charging solutions

• Educational electronics projects

• Compact mobile device chargers