Xh-m608 Manual May 2026

is a versatile CNC-controlled battery charge and discharge module designed for DC 6–40V systems. It integrates a voltmeter, undervoltage/overvoltage protection, and a timing controller to help prolong battery life. QQ Online Trading Core Specifications Input Voltage Range: DC 6–40V. Voltage Accuracy: ±0.1V for both display and control. Output Type:

Relay output (mechanically isolated, allowing it to switch external power sources up to 220VAC). Compatible Batteries:

Suitable for lithium, polymer, and standard storage batteries within the 6–40V range. make.net.za Operational Modes (P0 Settings)

The module operates in four distinct modes, which can be selected via the on-board menu: U (Voltmeter):

Displays the current voltage at the input terminals without triggering the relay. P (Voltage Protection):

Sets specific undervoltage and overvoltage thresholds to automatically connect or disconnect the relay. C (Timing Charge): Controls charging based on a set duration. F (Timing Discharge): Manages battery discharge over a predefined time period. Setup & Wiring Guide Power Connections: Connect your power source to the terminals (6–40VDC). Use the terminals to measure the battery voltage. Relay Wiring:

The 3-pin relay acts as an automated switch. It should be wired in series with one of the charger's or load's output lines to control the circuit. Adjusting Values: buttons to adjust voltage thresholds or timing values.

A bright 0.96-inch OLED display provides real-time feedback, though it is best used in shaded environments to ensure readability. make.net.za Safety & Maintenance Tips Electrostatic Care:

Always handle the board with care to avoid damage from electrostatic discharge (ESD).

For long-term use, consider placing the module in a ventilated enclosure to manage any heat generated during relay operation. Calibration:

If the voltage reading seems off, many users cross-reference with a standalone multimeter to verify the ±0.1V accuracy. AliExpress wiring diagram or a step-by-step walkthrough for setting the overvoltage protection Voltage Protection Board XH-M608 - Make Electronics Xh-m608 Manual

The XH-M608 Battery Charge and Discharge Module is a versatile digital control board used for protecting batteries from over-charging and over-discharging within a range of DC 6-40V. Primary Operating Modes (P0 Settings)

The module is programmed through several internal modes, primarily found in the P0 menu: U (Voltmeter): Standard real-time voltage monitoring mode.

P (Protection): Undervoltage and overvoltage protection. It disconnects the load if the voltage falls outside your set range.

C (Timing Charge): Controls a charger via the relay for a specific duration or until a voltage threshold is reached.

F (Timing Discharge): Controls discharge timing, which is useful for capacity testing or specific power-down sequences. Key Technical Specifications Specification Input Voltage Range DC 6V – 40V Voltage Error Control Accuracy Output Type

Relay Output (Commonly rated for up to 10A-30A depending on the specific relay model used) Dimensions Approx. 66 x 46 x 16 mm Programming Instructions

The XH-M608 is a versatile DC 6-40V battery charge and discharge control module designed to protect batteries from overcharging and deep discharging. By utilizing an onboard relay and a precise voltmeter, it acts as a programmable switch that can automate the charging of 6V to 40V batteries or disconnect loads when voltage drops too low. 🛠️ Core Specifications

The XH-M608 is highly adaptable for lead-acid and lithium battery systems: Input Voltage Range: DC 6V to 40V Display Accuracy: 0.1V Control Accuracy: 0.1V Voltage Error: +/- 0.1V Output Type: Relay output (acts as a switch) Dimensions: 66 x 46 x 16 mm 🔌 Wiring Guide

The module features clear screw terminals for power, sensing, and control. Ensure you observe polarity to avoid damaging the unit. 1. Basic Setup

VCC+ / VCC-: Connect your main DC power source (6-40V) to power the module itself. is a versatile CNC-controlled battery charge and discharge

BAT+ / BAT-: Connect the battery you wish to monitor. This is where the module reads the voltage level.

Relay Terminals (COM, NO, NC): These act as a dry contact switch. COM (Public): The common feed.

NO (Normally Open): Connects to COM when the relay is triggered (e.g., charging is active).

NC (Normally Closed): Connects to COM when the relay is idle. 2. Charging Control (Example)

To automate a charger, route one wire of the charger’s output through the COM and NO terminals. The relay will close and complete the circuit only when the battery needs charging. ⚙️ Programming and Settings

The XH-M608 uses a simple three-button interface: SET, ADD, and DEC. Parameter Menu (P0 - P3) Short press SET to cycle through the main menu options: Description P0 Mode Selection

Choose between U (Undervoltage), P (Overvoltage), C (Charge), or D (Discharge). P1 Lower Limit Sets the voltage floor (e.g., 10.8V for a 12V battery). P2 Upper Limit Sets the voltage ceiling (e.g., 14.4V for charging). P3 Calibration

Adjust the displayed voltage (A.00) to match a professional multimeter. How to Set Thresholds Enter Menu: Press SET until "P1" or "P2" appears.

Adjust Values: Press SET again to see the current voltage value. Use ADD or DEC to change it.

Save: The module saves automatically after a few seconds of inactivity. 💡 Practical Use Cases Safety

Solar Systems: Automatically disconnect lights or small inverters before the battery drains completely.

Automotive: Maintain a backup battery by only allowing charging when the main system is above a certain voltage.

DIY Power Banks: Protect lithium packs from exceeding safe charge/discharge ranges.

🚨 Safety Note: While the relay can handle significant current, always check your specific model's rating (usually 10A or 20A). For high-power loads, use the XH-M608 to trigger a larger external contactor or heavy-duty relay. If you'd like to dive deeper, let me know:

What battery type are you using (e.g., Li-ion, Lead-Acid, LiFePO4)? What is the voltage of your system (12V, 24V, etc.)?

Are you primarily looking to charge or protect from discharge?

Safety

Do not exceed rated input voltage.
Avoid shorting speaker outputs.
Disconnect power before wiring.
Use proper heat dissipation to prevent thermal shutdown or component damage.

2. Key Specifications

Supply Voltage: DC 12V – 24V
Display: 3-digit 0.56” Red LED (voltage readout)
Measurement Range: 10V – 100V DC
Control Accuracy: 0.1V
Output Type: Relay (NO/COM/NC)
Relay Max Load: 10A (DC 30V) / 10A (AC 250V)
Standby Current: ≤ 20mA
Operating Temperature: -10°C to +65°C

The "Continuous Mode" Hack

By default, the board requires a trigger press per weld. If you need continuous pulses (for seam welding), find the setting Lo (Loop mode) in the main menu. Set it to ON . Warning: This will fire as long as the trigger is held. Use only with water-cooled pens.

6. Important Warnings

Do NOT exceed 24V input for the control circuit (unless using a step-down regulator for the board’s power).
Do NOT reverse polarity – this will instantly destroy the module.
The relay is not isolated from the control circuit. For high-current chargers (>5A), use an external contactor or SSR.
This module is designed for lead-acid batteries only (not Li-ion/LiFePO4 without modification).
Always connect the battery first, then the charger.

What Can You Build With This $5 Wonder?

The “Coffee, Now” Machine: Control your coffee maker over Wi-Fi (add an ESP8266). Wake up to the click-CLACK of caffeinated hope.
The Plant Overlord: Connect a soil moisture sensor. When the plant “begs” (dry soil), the XH-M608 turns on a pump. You are now a god of hydration.
The Garage Door Phantom: Wire it to a garage door remote button. Trigger it with your phone. Impress your neighbors. Terrify your cat.
The Ultimate Revenge Switch: Control a loud buzzer in a coworker’s desk drawer. Trigger randomly via web form. (We do not condone, but we understand.)

The 5-Step Wiring Process:

Control Power: Connect your 12V supply to the VCC (+) and GND (-) terminals on the XH-M608. Note: This powers the logic and screen only.
MOSFET Signal: Connect the Gate (+) wire from your MOSFET board to the Pulse+ terminal on the XH-M608. Connect the Gate (-) to Pulse- .
Welding Current Path: Connect your capacitor bank’s positive terminal to the MOSFET board’s power input. Connect the MOSFET output to your welding pen.
Trigger Mechanism: Connect a Normally Open foot switch to the Trigger terminals. (Polarity does not matter for a simple switch).
Final Check: The ground of your welding capacitor bank must connect directly to the welding pen’s negative tip. Double-check all connections before powering on.

Warning excerpt from the XH-M608 manual: "Do not connect the welding capacitor voltage directly to the XH-M608 control board. It will explode instantly."

6. Conclusion

The Xh-m608 Manual is not a single authoritative document but a collection of minimal factory inserts, community-written guides, and generic PID controller instructions. It is essential for configuring temperature setpoints, hysteresis, and heating/cooling modes, but often lacks critical details like sensor beta values, error codes, and safe wiring practices.

Final takeaway:

Always test the controller with a low-power load first, use an external fuse, and refer to online tutorials to fill the gaps left by the original manual.