Xh-m608 Manual [upd]

is a 6–40V battery charging and discharging control module with an integrated voltmeter and overvoltage/undervoltage protection. It is commonly used to prevent batteries from overcharging or discharging past a safe threshold. Quick Setup Guide

The Unwritten Conclusion

The manual emphasizes several safety precautions to ensure safe operation: Xh-m608 Manual

Relay Wiring:

The relay on the board should be placed "in-line" with one of the wires (typically the positive) of your charger or load. is a 6–40V battery charging and discharging control

U:

Voltmeter only; P: Protection mode; C: Charging mode; D: Discharge mode. P1 Lower Limit Voltage 12.0V U: Voltmeter only; P: Protection mode; C: Charging

Important Tip:

Always double-check your polarity. The module does not usually have reverse-polarity protection, and a single misplaced wire can fry the main chip instantly.

Key Features:

Integrated voltmeter, undervoltage/overvoltage protection, and a timing discharge function. 2. Wiring Guide