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REDMI NOTE 9 PRO CHARGING Board

A detailed description of the Redmi Note 9 Pro Charging Board (also known as the Sub-Board or Charging Flex PCB) is provided below in a tabular format.

Product Overview: Redmi Note 9 Pro Charging Board

Attribute	Description
Product Name	Redmi Note 9 Pro Charging Board / Sub-Board Replacement
Compatible Models	Xiaomi Redmi Note 9 Pro, Redmi Note 9S, Poco M2 Pro (Global & India versions)
Part Type	Internal Hardware Replacement Part
Main Function	Manages battery charging, data synchronization, microphone input, and speaker connectivity.
Port Type	USB Type-C 2.0
Key Components	USB-C port, Integrated Microphone, Antenna Signal Connector, Main Flex Cable Connector, and Loudspeaker Contact Pins.
Material	High-density Glass-reinforced Epoxy (FR-4) PCB with Copper Traces.
Dimensions	Approx. 4.5 cm x 3.0 cm (Standardized for M2003J6A1I / M2003J6B2G models)
Weight	~5 to 10 grams

Attribute

Description

Product Name

Redmi Note 9 Pro Charging Board / Sub-Board Replacement

Compatible Models

Xiaomi Redmi Note 9 Pro, Redmi Note 9S, Poco M2 Pro (Global & India versions)

Part Type

Internal Hardware Replacement Part

Main Function

Manages battery charging, data synchronization, microphone input, and speaker connectivity.

Port Type

USB Type-C 2.0

Key Components

USB-C port, Integrated Microphone, Antenna Signal Connector, Main Flex Cable Connector, and Loudspeaker Contact Pins.

Material

High-density Glass-reinforced Epoxy (FR-4) PCB with Copper Traces.

Dimensions

Approx. 4.5 cm x 3.0 cm (Standardized for M2003J6A1I / M2003J6B2G models)

Weight

~5 to 10 grams

Detailed Technical Specifications

Feature	Technical Details
Charging Support	Supports Fast Charging (up to 33W Pro charging depending on board quality).
Data Transmission	High-speed data sync via USB-C to PC/Laptop.
Audio Components	Includes the primary "bottom" microphone for voice calls and voice recording.
Connectivity	Features gold-plated pins for reliable connection to the Loudspeaker/Ringer module.
Signal Integrity	Includes a coaxial cable socket for cellular and Wi-Fi antenna signals.
Safety Features	Overcurrent protection (on OEM/Original versions) to prevent motherboard shorts.
IC Components	Contains the power management IC (PMIC) logic specifically for the sub-board distribution.

Feature

Technical Details

Charging Support

Supports Fast Charging (up to 33W Pro charging depending on board quality).

Data Transmission

High-speed data sync via USB-C to PC/Laptop.

Audio Components

Includes the primary "bottom" microphone for voice calls and voice recording.

Connectivity

Features gold-plated pins for reliable connection to the Loudspeaker/Ringer module.

Signal Integrity

Includes a coaxial cable socket for cellular and Wi-Fi antenna signals.

Safety Features

Overcurrent protection (on OEM/Original versions) to prevent motherboard shorts.

IC Components

Contains the power management IC (PMIC) logic specifically for the sub-board distribution.

₹ 61 ₹ 110 45% off

Description

REDMI NOTE 9 PRO CHARGING Board

Product Overview: Redmi Note 9 Pro Charging Board

Detailed Technical Specifications

Verified Reviews

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Description

REDMI NOTE 9 PRO CHARGING Board

Product Overview: Redmi Note 9 Pro Charging Board

Detailed Technical Specifications

Verified Reviews

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