M8067-66401 (MP40/MP50 Battery Control Board)

Basic Information

• Part Number: M8067-66401 (equivalent: M8067-69501, 453563499201, M8003-68401, 453563499281)
• Applicable Models: IntelliVue MP40 (M8003A), MP50 (M8004A) Patient Monitor
• Function: Original battery charge/discharge management, protection & communication board (for M4605A Li-ion battery)
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• Type: Medical-grade PCB assembly

Electrical Specifications

• Input Voltage: DC 14V (main power bus)
• Battery Rated Voltage: 10.8V (6-cell Li-ion)
• Charging Mode: Constant current / constant voltage (CC/CV) with trickle charge
• Protection Features: Over-voltage, over-current, over-temperature, reverse-polarity protection
• Discharge Protection: Under-voltage cutoff, over-current / short circuit protection
• Communication: Bi-directional with mainboard (battery SOC, voltage, current, temperature & fault reporting)
• Max Output Power: 80W
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Key Features

1. Battery Monitoring: Real-time voltage, current, temperature, SOC tracking
2. Smart Charging: Optimized charging curve for M4605A to extend battery life
3. Seamless Power Switch: Instant AC-to-battery transfer during mains failure
4. Diagnostics & Protection: Shuts down charge/discharge on fault and reports error codes

Physical & Compatibility

• Dimensions: Approx. 120 × 80 × 15 mm (L-shaped)
• Weight: ~150 g
• Compatibility: Only for MP40/MP50 (not interchangeable with MP20/30 battery board M8067-66461)