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The XY-DJ DC 6-40V LED Battery Charger Discharger Board is a multifunctional protection and control module designed for battery packs and DC power systems. It features an integrated LED voltmeter, under-voltage and over-voltage protection, programmable timing, and serial communication for advanced monitoring.
Through its TTL serial communication interface (115200bps), the XY-DJ DC 6-40V LED Battery Charger Discharger Board enables real-time monitoring of voltage, run-time, and relay status. It also allows parameter adjustments via serial commands such as voltage thresholds (“Dw02.9, Up10.1”), relay control (“On/Off”), and data upload (“Start/Stop”), making it highly useful for automation and lab testing.
🔧 Key Features
- Operating range: 6–40V DC with voltage detection up to 60V
- Under/over-voltage detection with relay switching
- Six working modes (U-1 to U-6) including timed charge and timed discharge
- Programmable timing: 0–999 minutes (charge/discharge cycles)
- TTL serial communication (115200bps) for data upload and configuration
- Supports commands: mode selection, voltage thresholds, relay ON/OFF, data logging
- STOP key function: emergency relay shutdown and enable/disable control
- Sleep mode (C-P/O-d) for reduced power consumption
📐 Technical Specifications
| Product Name | XY-DJ DC 6-40V Battery Charger Discharger Board |
| Input Voltage | DC 6–40V (supports monitoring up to 60V) |
| Voltage Accuracy | ±0.1V integrated measurement |
| Operating Modes | 6 modes (U-1 to U-6) for charge/discharge control |
| Timer Settings | 0–999 minutes programmable (OP parameter) |
| Relay Output | Load control with additional signal output |
| Communication | TTL serial port, 115200 baud, 8N1 format |
| Serial Commands | Supports U-mode, Dw/Up voltage set, Get, On/Off, Start/Stop |
| Safety Functions | Reverse polarity protection, STOP key, emergency relay cut-off |
| Power Saving | Sleep mode: C-P (auto off) / O-d (always on) |
📌 Applications
- Battery charge/discharge automation and testing
- Solar panel charging and voltage regulation
- Laboratory instruments needing timed relay control
- Embedded systems requiring real-time data monitoring
💡 Why Choose This Product?
The XY-DJ DC 6-40V LED Battery Charger Discharger Board goes beyond basic voltage protection. With programmable timers, six operating modes, TTL data communication, emergency STOP, and low-power sleep mode, it is a professional-grade module for power management and battery safety applications.
📦 Package Includes
- 1 × XY-DJ DC 6-40V LED Battery Charger Discharger Board – Over/Under Voltage Protection Module
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