Hp Mu06 Notebook Battery Pinout Configuration May 2026

Go to product viewer dialog for this item. is a standard 6-cell lithium-ion battery used in numerous Pavilion and Compaq series laptops. While pinout documentation is not officially published by HP, technical analysis of the battery's 9-pin connector reveals a configuration based on the SMBus (System Management Bus) protocol. MU06 Connector Pinout (9-Pin Layout)

Negative battery terminal; usually connected to the chassis ground. 3 SMBC (Clock)

Technical Discussions: For deeper troubleshooting or signal analysis, many users reference community guides on sites like EEVblog or KuzyaTech. Common Compatibility Hp Mu06 Notebook Battery Pinout Configuration

Pin Numbering Diagram (Front view – mating side)

| Pin | Label (Common) | Wire Color (Typical) | Function | | :--- | :--- | :--- | :--- | | 1 | P- (B-) | Black | Battery Negative / Ground | | 2 | P- (B-) | Black | Battery Negative / Ground | | 3 | SMBC | White or Yellow | SMBus Clock (I²C Clock) | | 4 | SMBD | White or Yellow | SMBus Data (I²C Data) | | 5 | PRES | Blue or Orange | Presence Detect / System Present | | 6 | P+ (B+) | Red | Battery Positive (11.55V – 12.6V) | | 7 | P+ (B+) | Red | Battery Positive (11.55V – 12.6V) |

Often a "detect" pin that must be grounded to activate voltage. NC / Reserved Frequently unused or reserved for manufacturer testing. Positive (V+) Main positive power terminal (typically 10.8V–11.1V). Positive (V+) Parallel positive power terminal for high current. Technical Specifications 10.8V to 11.1V. Cell Configuration: 6-cell Lithium-Ion (3S2P — 3 series, 2 parallel). Ranges from 4400mAh to 5200mAh depending on the specific model. Communication: SMBus (System Management Bus) protocol, often managed by a or similar Texas Instruments impedance tracking gauge. Amazon.com Critical Troubleshooting Notes Safety Lock: Go to product viewer dialog for this item

2. Physical Connector & Pin Count

The MU06 uses a 9-pin (sometimes 7 populated) flat ribbon cable connector, often JST or Molex compatible.
Common label on PCB: MU06 or HSTNN-LB7N.

⚠️ Critical Warning: Laptop batteries operate at ~11.55V to 12.6V and can deliver high current. Do not short pins. Use a multimeter, not trial and error. NC / Reserved Frequently unused or reserved for

SMBus Data line for battery telemetry (charge %, cycles, etc.). 5 Thermistor (T) Temperature sensing (NTC) to prevent overheating. 6 & 7 System Present