**What is a common protocol used for communicating with a laptop's rechargeable battery subsystem?**
A common protocol used for communicating with a laptop's rechargeable battery subsystem is *the System Management Bus (SMBus).*
**What connections does a typical SMBus battery have?**
The connections a typical SMBus battery has includes:
* A positive terminal.
* A negative terminal.
* Thermistor.
* Clock.
* Data.
> **Are the arrangements of the connections for a System Management Bus (SMBus) battery consistent?**
> *No*, the arrangements of the connections for an SMBus battery aren't consistent.
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