Dual USB 5V 1A 2.1A Mobile Power Bank PCB Module with LCD Display

Build your own custom portable power bank with this feature-rich PCB power module from The Engineer Store, Bengaluru. This dual USB output board delivers simultaneous 5V 1A and 5V 2.1A charging, features a built-in LCD battery level indicator, and includes complete charging and protection circuitry - everything you need to create a professional-grade power bank using standard 18650 lithium cells. Fast shipping across India with 7-day warranty on manufacturing defects and dedicated technical support.

Specifications

Key Features

• Dual USB Output: Charge two devices simultaneously - 1A port for earbuds, smartwatches, and accessories; 2.1A port for smartphones and tablets
• LCD Battery Display: Clear digital percentage readout shows exact remaining battery capacity, far superior to basic 4-LED indicators
• Complete Charging Circuit: Micro USB input with dedicated lithium-ion charge management IC handles safe, efficient cell charging
• Integrated Boost Converter: High-efficiency DC-DC step-up circuit converts 3.7V cell voltage to stable 5V USB output
• Comprehensive Protection: Multi-layer safety with overcharge, over-discharge, short circuit, and overcurrent protection circuits built directly on the PCB
• 18650 Cell Compatible: Designed to work with widely available 18650 lithium-ion batteries - connect multiple cells in parallel for higher capacity
• One-Button Operation: Single press to activate output and display; auto-shutoff when no load is detected to conserve battery
• Compact & Mountable: Slim PCB layout with standard mounting points fits easily into commercial power bank shells or custom 3D-printed enclosures

Why Choose This Power Bank Module?

• 100% authentic module sourced from trusted, verified suppliers
• All-in-one solution - no need for separate charge controller, boost converter, or protection board
• LCD display adds a professional, polished finish to any DIY power bank build
• 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most locations across India
• Expert technical support to help you with wiring, cell selection, and enclosure design
• Ideal for both beginners building their first power bank and experienced makers creating custom solutions

Project Ideas

• Custom DIY Power Bank: Pair with salvaged or new 18650 cells and a 3D-printed or aluminum enclosure to build a power bank tailored to your exact capacity needs - from slim pocket-sized to high-capacity multi-cell units.
• Solar-Powered Charger: Connect a 5V/6V solar panel to the Micro USB input to create a portable solar charging station for camping, trekking, and off-grid adventures.
• Portable Project Power Supply: Use as a regulated 5V power source for Arduino, Raspberry Pi, ESP32, and other microcontroller projects when mains power is unavailable.
• Emergency Backup Power: Build a dedicated emergency charger for your home or vehicle using high-capacity 18650 cells - the LCD display lets you monitor charge status at a glance.
• IoT & Remote Sensor Power: Deploy as a rechargeable battery pack for remote IoT sensor nodes, weather stations, or trail cameras with USB-powered devices.
• Educational Electronics Kit: Excellent teaching tool for understanding DC-DC boost conversion, lithium-ion charging profiles, USB power delivery, and battery protection circuits.
• Recycled Laptop Battery Project: Harvest 18650 cells from old laptop battery packs and give them a second life as a functional power bank - a great sustainability and electronics learning project.

Frequently Asked Questions

Buy Dual USB 5V 1A 2.1A Mobile Power Bank with PCB Power Module LCD Online in India

Purchase the Dual USB 5V 1A 2.1A Mobile Power Bank with PCB Power Module LCD online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Dual USB 5V 1A 2.1A Mobile Power Bank with PCB Power Module LCD with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy Dual USB 5V 1A 2.1A Mobile Power Bank with PCB Power Module LCD at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.