Dual USB Power Bank Circuit with LED Indicator, Input DC 5V 2A, Micro USB Socket, Dual Output DC 5V (2A/1A), BMS Protection for Lithium Batteries

Description:
The Dual USB Power Bank Circuit is an advanced and versatile module tailored for charging and powering devices using lithium batteries like 14500 and 18650 models. With dual USB outputs (2A and 1A), it provides simultaneous charging for two devices. Equipped with an efficient Battery Management System (BMS), it ensures safe operation by protecting against overcharge, overdischarge, and short circuits. The compact design and LED indicators make it ideal for building high-capacity DIY power banks or portable power modules.

Specifications:

Key Features:

• Dual USB Outputs: Charge two devices simultaneously with 2A and 1A output options.
• Micro USB Input: Standardized 5V 2A input for fast charging.
• BMS Protection: Ensures safety with integrated overcharge, overdischarge, and short circuit protection.
• LED Indicators: Clear visualization of charging progress and battery status.
• DIY Friendly: Perfect for building custom high-capacity power banks.
• Portable Design: Lightweight and compact for easy integration into projects.

Applications:

• High-Capacity DIY Power Banks: Build dual-output power banks using 14500 or 18650 batteries.
• Simultaneous Device Charging: Charge phones, tablets, or other USB-powered devices simultaneously.
• Emergency Power Sources: Create reliable backup power for emergencies.
• DIY Electronics Projects: Use as a portable power supply for hobbyist projects.

Usage Tips:

1. Battery Installation: Connect compatible 3.7V lithium batteries to the designated terminals, ensuring correct polarity.
2. Charging: Use a Micro USB cable connected to a 5V power source for input.
3. Dual Outputs: Connect devices to the USB-A outputs based on power requirements (2A or 1A).
4. LED Indicators: Monitor charging and battery levels via the onboard LED lights.
5. Safety First: Avoid reversing battery polarity or exceeding recommended input/output limits.

The Dual USB Power Bank Circuit is an excellent choice for building efficient and safe power banks or portable charging solutions, offering flexibility and performance for a wide range of applications.