Terminal connections (from left to right):
| Terminal | Label | Connection | |----------|-------|-------------| | 1 | DC+ | Battery positive (monitoring) | | 2 | DC- | Battery negative (common ground) | | 3 | COM | Relay common terminal | | 4 | NC | Normally Closed (disconnected when relay active) | | 5 | NO | Normally Open (connected when relay active) |
Standard Charging Setup:
Users searching for the XH-M608 manual often confuse it with its cousin, the XH-M601.
Verdict: If you are welding 0.1mm nickel strips for a simple battery pack, the M601 is fine. If you are doing 0.2mm pure nickel or copper sandwiches, you need the precision of the XH-M608 manual settings.
The board has two user-set voltage thresholds:
| Parameter | Display Code | Function |
|-----------|--------------|----------|
| Start Voltage (Low cutoff) | P1 | When battery voltage drops to this value, relay activates (starts charging). |
| Stop Voltage (Full charge) | P2 | When battery voltage rises to this value, relay deactivates (stops charging). | Xh-m608 Manual
The XH-M608 manual is not a document. It’s a dare. It says, “Here are the pins. Don’t die. Figure out the rest.” And that is its beauty. In a world of over-engineered, app-locked, cloud-dependent smart devices, this little blue board is pure, unadulterated freedom. It clicks, it clacks, and it asks for nothing but 5 volts and a little respect.
So next time you look at that crinkled, poorly-photocopied manual, don't laugh. Salute it. It’s not missing information – it’s leaving room for your imagination.
Now go make something that clicks.
Report generated by AI assistant – always verify technical details with your specific device and a multimeter.
The XH-M608 (also commonly known as the HCW-M631) is a versatile battery charge and discharge control module designed to manage and protect batteries within a 6–40V range. It features an integrated voltmeter and a relay output to automate the charging or discharging cycles, effectively preventing overcharging and over-discharging to extend battery life. Key Technical Specifications Model XH-M608 / HCW-M631 Input Voltage Range DC 6–40V Voltage Measurement Error ±0.1plus or minus 0.1 Output Type Relay Output (Dry Contact) Max Relay Current Up to 10A (Recommended 7A for long-term load) Dimensions Operational Modes and Features
The module is primarily used for two types of battery management, which can be selected via the control interface: Terminal connections (from left to right): | Terminal
Charging Control (P1): The module turns on the relay (starts charging) when the battery drops to a set low-voltage threshold and shuts off when it reaches the upper-voltage limit.
Discharging Control (P2): The module shuts off the relay (disconnects the load) when the battery reaches a set low-voltage limit to prevent deep discharge and turns it back on when the battery is sufficiently recharged.
Time Control (P3): Some versions include a timing function for discharge operations, allowing you to set a specific duration for the relay to remain closed. Basic Wiring and Setup
Power Input: Connect the battery to the module's input terminals ( VCCcap V cap C cap C GNDcap G cap N cap D ). The module is powered by the battery it is monitoring.
Relay Connection: The relay acts as a switch. For charging, connect the charger in series with the relay terminals. For discharging, connect the load in series.
Polarity: Ensure correct polarity during installation to avoid damaging the module or the battery. Configuration Instructions Verdict: If you are welding 0
The module typically features three control buttons and a digital display:
Set Start Voltage: Long press the "Set" or "Up" button to enter the starting voltage setting mode. Use the buttons to adjust the value and wait for it to flash to save.
Set Stop Voltage: Long press the "Stop" or "Down" button to enter the stop voltage setting. This defines the upper or lower limit depending on whether you are in charge or discharge mode.
Calibrate Voltmeter: If the reading is inaccurate, many modules allow calibration by holding specific buttons during power-on to adjust the display to match a multimeter reading.
Once powered, the screen will light up. Here is how to program your weld time.
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