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The HP MU06 notebook battery represents a sophisticated engineering solution that combines high-density Li-ion cells with intelligent power management features. Its 8-pin connector pinout, featuring dual positive and negative terminals along with SMBus communication lines and temperature sensing, enables seamless integration with HP’s laptop power management systems. For technicians, hobbyists, and power users, understanding this pinout configuration provides the foundation for effective troubleshooting, safe battery handling, and successful diagnostics when power-related issues arise in compatible HP notebooks.
| Pin Number | Designation | Description | | :--- | :--- | :--- | | | V+ (Positive) | Main positive terminal. Connected to the battery pack's positive output. | | Pin 2 | V+ (Positive) | Main positive terminal. Often bridged with Pin 1 for higher current carrying capacity. | | Pin 3 | NC / ID | No Connect or Identification . Sometimes used for a thermal resistor or chassis ground detection. | | Pin 4 | SCL (Clock) | I2C Serial Clock . Used for SMBus communication between the battery BMS and the laptop EC (Embedded Controller). | | Pin 5 | SDA (Data) | I2C Serial Data . Used for SMBus data transmission (remaining capacity, charge cycles, temperature). | | Pin 6 | TS (Thermistor) | Temperature Sense . Connected to an NTC thermistor inside the pack. Used to monitor cell temperature and prevent overheating. | | Pin 7 | V- (Ground) | Main negative terminal. Connected to the battery pack's negative output. |
For advanced users, you can read SMBus registers (e.g., 0x09 – Voltage, 0x0D – Remaining Capacity) using a USB-to-SMBus adapter (Arduino with SMBus library or Adafruit FT232H).
A pinout diagram is only truly useful if you understand the hardware that uses those pins. The HP MU06 battery is not just a collection of cells; it contains a sophisticated Battery Management System (BMS), which is a small printed circuit board (PCB) that controls the battery's operation. This BMS communicates with the laptop to report on charge level, temperature, and battery health. Hp Mu06 Notebook Battery Pinout Configuration
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This HP battery pack typically has 6 or 7 contact pins, but not all are always populated on every model. Their functions are:
The is a widely used 6-cell Lithium-ion battery compatible with a vast range of HP Pavilion, Compaq Presario, and Envy series laptops. For technical users, understanding its pinout is essential for troubleshooting charging issues or performing battery resets. HP MU06 Pinout Configuration The HP MU06 notebook battery represents a sophisticated
Note: some MU06 variants use 6 contacts, others 7; contact order and presence of dedicated temperature or sense pins varies by model and laptop family. The common essentials are VBAT+, GND, and SMBus SDA/SCL. The pack’s controller sits between the cells and VBAT output and can open MOSFETs to disconnect the pack.
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System Present / ID (Sometimes needs to be pulled to ground to enable output) Pin 5: Clock (SCL) (SMBus/I2C communication) Pin 6: Data (SDA) (SMBus/I2C communication) Pin 7: Positive (V+ / +) (Output voltage) Pin 8: Positive (V+ / +) (Output voltage) | Pin Number | Designation | Description |
If you are working with a third-party variant or need to verify your specific unit, follow these steps:
The HP MU06 notebook battery Go to product viewer dialog for this item.
| Pin Number | Label / Name | Description | Function | | :--- | :--- | :--- | :--- | | | PACK+ | Positive Terminal | Main positive voltage output. Connects to the positive end of the cell array. | | 2 | PACK+ | Positive Terminal | Main positive voltage output (often bridged to Pin 1 for higher current handling). | | 3 | ID / TH | Thermistor / ID | Connects to an internal NTC thermistor. Used by the laptop to monitor battery temperature. Often serves a dual purpose as a security ID line. | | 4 | CLK | Clock (SCL) | I²C Serial Clock line. Used for SMBus communication between the battery BMS and the laptop EC (Embedded Controller). | | 5 | DATA | Data (SDA) | I²C Serial Data line. Transmits capacity, cycle count, and voltage data to the OS. | | 6 | SYS PRES | System Present | Often a logic signal indicating the battery is fully inserted. Usually pulled low or high depending on the circuit design. | | 7 | NC / ALM | No Connect / Alarm | Often unused (NC) or used for safety alerts. Can be a secondary temperature sensor in some revisions. | | 8 | PACK- | Negative Terminal | Main ground/negative output. Connects to the negative end of the cell array. | | 9 | PACK- | Negative Terminal | Main ground/negative output (bridged to Pin 8). |
For official troubleshooting or to check your specific model's health, you can use the HP PC Hardware Diagnostics are compatible with this MU06 battery?