Power Bank PCB Module Dual USB-A Output USB-C and Micro USB Input - Li-ion Battery Charger Booster Board

Power Bank PCB Module - Dual USB-A Output, USB-C and Micro USB Input, Li-ion Charger and Booster Board

Build your own high-capacity power bank with this all-in-one lithium battery charging and boost converter PCB. Featuring dual USB-A output ports, USB Type-C and Micro USB input for charging, onboard battery protection, LED indicators, and B+ / B- pads for direct 18650 cell connection - this module provides everything needed to build a reliable DIY power bank for smartphones, tablets, and USB devices.

Key Features

• Dual USB-A output ports - charge two devices simultaneously
• USB Type-C port - input for fast charging the battery and output for device charging
• Micro USB input - secondary charging input compatible with standard chargers
• B+ and B- solder pads - direct connection for 18650 or other lithium cells via wires
• Onboard battery protection - overcharge, over-discharge, and short-circuit protection
• LED charge level indicators - visual battery status display
• Boost converter circuit - steps up battery voltage to stable 5V USB output
• NTC thermistor (NTC1) - thermal protection for safe battery charging
• Compact black PCB with mounting holes - easy to fit inside custom enclosures

Specifications

• Input: USB Type-C and Micro USB (5V)
• Output: 2x USB-A (5V), USB Type-C (5V output)
• Battery Connection: B+ and B- solder pads (for 18650 or Li-ion cells)
• Battery Voltage: 3.7V Li-ion / Li-Po single cell or multi-cell
• Output Voltage: 5V regulated (boost converter)
• Protection: Overcharge, over-discharge, short-circuit, thermal (NTC)
• Indicators: LED battery level display
• PCB Color: Black

Perfect For

• DIY Power Bank Build with 18650 Li-ion Cells
• Custom Portable USB Charger Projects
• Solar-powered Battery Pack with USB Output
• Arduino / ESP32 Portable Power Supply
• Li-ion Battery Pack Charging and Boost Circuit
• Electronics Lab and Maker Power Projects

Order now and build your own reliable multi-port USB power bank with this ready-to-use charging and boost PCB module.