Power Bank Board 3A USB

Fast Charging Power Bank Circuit With 7 Segment Display Input DC 5V 2A Micro USB Type-C Socket Output DC 5V 2.1A 1A Dual USB BMS Protection Lithium Battery 3.7V 14500 18650 Battery Mobile Smart Phone Charging Module

Best Quality Power Bank Circuit Dual USB DC 5V 2.1A Micro USB & Type-C USB With Display Charging Module Lithium Battery 18650 Charger Board Circuit Protection Mobile Smart Phone Charger. This power supply module with 4 ports and LED display is perfect for DIY power bank.

Features:

• Safe to Use: with short circuit protection, overcharge protection and over discharge protection.
• Multi-Type Ports: 2 USB Type-A charging ports and 1 USB Type-C /Micro USB/ port.
• There is a button for LED power display when it is in the charging state.
• This module helps to provide 5.0V/ 2.1A output for external devices.
• It can be used for single-cell lithium or lithium multi-section parallel.
• Portable Mobile Power Supply Module.
• Hold down the button after standby, LED digital display power supply.
• The digital LED display shows the current battery power while charging.
• When discharging, the digital LED display will show the current power, and the display will record about 30 seconds (double click button to restore display).
• After charging and discharging, the system will provide precise instructions on the battery.

Specifications:

• Material: PCB+ Metal
• Connector Type: Micro USB, Type-C,
• IR of PCM : ≤65 mΩ
• Charging cable: support three type of USB Cables for iPhone Lightning & Android Type-C Micro USB
• Button function: Press and hold the button after standby, the LED digital screen displays the power
• Prevent Overcharge Protection
• Constant current: 2.1A
• output current: 5V 2.1A
• output current: 5V 1A
• Max continuous charge/discharge current: 1.5/2.1A
• Input voltage B+ to B-: 3.0 – 4.2V
• Suggest working temperature: -5～45℃
• Item Size: 62×25.5x10mm
• Item Weight: 15gm