Technicians & repair shops
Check battery wear, watch charge/discharge behavior, document condition for a customer, and compare a replacement battery against the one that came out.
Blackwire Battery Health Utility — Laptop Battery Health & Runtime Monitoring
Blackwire Battery Health Utility gives technicians and Windows users a clear view of battery health, capacity, charging behavior, power draw, history, diagnostics, and long-term performance.
Use it to inspect a laptop battery, watch behavior during a charge or discharge test, document battery condition, investigate abnormal drain, and build a customer-facing battery health report without relying on the basic Windows battery indicator alone.
HealthCapacity, wear, charge state, runtime, voltage, and battery identity
PerformanceLive charge, power draw, voltage, and runtime history
DiagnosticsPower events, anomalies, sleep drain, and Windows evidence
ReportingBattery Passport history and professional PDF service records
Built for battery troubleshooting
More useful than a percentage in the taskbar.
A battery can show 55% charge and still have lost a third of its original capacity, drain abnormally under load, charge too slowly, or behave differently when AC power changes. Battery Health Utility keeps those readings and events visible so the person doing the work can see what is actually happening.
Who it is for
Useful on the repair bench, at the help desk, and at home.
The utility is built for people who need more than a yes/no battery status and want enough evidence to make a repair or replacement decision.
IT, MSP & refurbishment
Review battery condition during intake, troubleshoot charging or standby-drain complaints, and keep reports or longer-term battery history with the job.
Advanced Windows users
See capacity loss, power draw, voltage, runtime estimates, and battery events that the normal Windows battery indicator does not explain.
Battery information
See the current condition and the numbers behind it.
The exact fields available depend on what the laptop firmware, battery, drivers, and Windows battery interfaces expose.
Health & capacity
- Battery health and wear percentage
- Current, full-charge, and design capacity
- Charge percentage and estimated remaining runtime
- Cycle information when the system reports it
Live electrical state
- Charging, discharging, or AC power state
- Charge/discharge rate and live power draw
- Battery voltage
- Low and critical capacity information when available
Battery & system identity
- Computer make and model
- Battery manufacturer and battery identification
- Serial information when available
- Windows and native battery information
Live battery graphs
Watch how the battery behaves while the problem is happening.
Battery Performance records readings continuously while the utility is running. Battery Information also keeps a live Power Draw + Charge graph visible beside the current battery details. Scroll backward through retained history while monitoring continues, then return to the newest position to follow live data again.
Live analysis runs automatically.
Battery Performance does not require a manual Start or Stop button. While the utility is open it can keep the selected battery under observation and update elapsed time, starting/current charge, capacity change, recent average power, minimum voltage, estimated empty/full time, largest observed charge drop, and the current battery result.
Automatic diagnostics
Keep the power events that matter.
Diagnostics records battery and power-state events while the utility runs so intermittent charging or drain complaints have a timeline instead of relying on memory.
- AC connected and disconnected events
- Sudden charge drops
- Abnormal voltage changes
- Unusual runtime-estimate changes
- Battery draining while connected to AC
- Low charging rate and low-battery events
The same area can collect technician evidence, run targeted battery-performance testing, measure sleep/resume drain, and call supported Windows power tools when deeper evidence is needed.
History & Battery Passport
Do not judge the battery from one reading alone.
Current condition matters, but history can show whether the battery has been changing over time.
Windows battery history
Battery Health Utility can read available Windows battery history and combine it with Blackwire's own observations. That can help a technician review capacity and health history instead of basing the decision only on what the battery reports right now.
Windows history availability depends on what Windows and the hardware have actually recorded.
Battery Passport
Observed batteries can maintain a portable Battery Passport with practical long-term information such as first seen, last seen, initial and latest battery health, initial and latest full-charge capacity, observation history, and changes over time.
It is a technician record of what Blackwire has seen, not a substitute for information the hardware does not expose.
Repair & replacement workflow
Use the battery information to finish the job.
The tool includes practical workflows for finding a replacement and checking the result after it is installed.
Replacement battery search
Quick Amazon and eBay searches use available computer and battery identification information to help narrow down a compatible replacement. The shopping site opens only when the user chooses to search.
Before / after verification
Save battery information before replacement, install the new battery, then compare the current battery with the saved baseline. This helps confirm that the intended battery was replaced and documents the difference.
Sleep / standby drain
Measure battery loss across a sleep/resume gap when troubleshooting systems that lose too much charge while sleeping. Windows SleepStudy can also be used where the hardware and Windows configuration support it.
Professional PDF report
Give the customer something useful to keep.
Battery Health Utility can create a customer-facing PDF with the battery condition, health, wear, system identification, capacity, runtime information, battery details, and a battery snapshot.
That makes the report useful for repair shops, refurbishers, IT departments, customer documentation, intake records, and before/after service work.
- Battery condition and wear summary
- Computer and battery identification
- Health, charge, capacity, voltage, and runtime information
- Battery detail snapshot for the service record
Technician-friendly operation
Built to stay useful during longer battery work.
Awake Mode
When enabled, Awake Mode can help keep the PC and display awake while the utility is running so an extended monitoring session is not interrupted by normal Windows idle sleep or display timeouts. OEM and Modern Standby behavior can still vary by hardware.
Windows energy evidence
Diagnostics can gather Windows battery and energy evidence for deeper troubleshooting, including battery-report information, energy usage data, and SleepStudy where Windows and the hardware support those tools.
Portable layout
The utility is designed to keep relevant local application data with the tool in folders such as Config, Data, Logs, and Reports, which is convenient for technician workflows.
Multiple batteries
Supports systems where multiple batteries are exposed by Windows; dual-battery hardware validation is ongoing. Battery selection and per-battery monitoring architecture are present, but Blackwire is not marketing dual-battery behavior as hardware validated yet.
Application screenshots
Battery data stays readable while monitoring continues.
These are real application views from the released Battery Health Utility.
Free or support development
Same application. Same features.
The $9.99 option is voluntary support for continued Blackwire development. It is not a feature upgrade and it does not unlock additional functionality.
Complete application
Free
$0
Use the full Battery Health Utility with all current features and no feature restrictions.
- Full application
- All current features
- No feature restrictions
- Free to use
Voluntary support
Support Development
$9.99
The exact same complete application as Free. This option is for users or businesses that want to help fund continued development.
- Same complete application as Free
- All current features
- No additional feature unlocks
- Helps support continued Blackwire development
Comparison
The software itself is identical.
The only difference is whether you choose to financially support continued development.
| Feature | Free | Support Development |
|---|---|---|
| Battery Health Monitoring | Yes | Yes |
| Live Performance Graphs | Yes | Yes |
| Graph History Browsing | Yes | Yes |
| Windows Battery History | Yes | Yes |
| Battery Passport | Yes | Yes |
| Diagnostics | Yes | Yes |
| PDF Reports | Yes | Yes |
| Replacement Battery Search | Yes | Yes |
| Sleep Drain Tools | Yes | Yes |
| Price | Free | $9.99 |
| Supports Future Development | No | Yes |
Requirements
Windows laptop battery monitoring.
- Operating system
- Windows 10 or Windows 11
- Architecture
- x64 Windows PC
- Battery
- Laptop or supported Windows battery device for battery monitoring
- Advanced tools
- Some Windows diagnostics depend on hardware, firmware, drivers, and Windows support
Important notes
Not every laptop reports the same data.
Battery health fields, cycle information, Windows history, SleepStudy, and other advanced evidence depend on what the hardware and Windows expose. Missing data does not automatically mean the battery or laptop is faulty.
The application can work with multiple batteries when Windows exposes them, but real dual-battery hardware validation is still ongoing.
Frequently asked questions
Before you download.
Is Blackwire Battery Health Utility free?
Yes. The complete application is available for free.
What is the $9.99 Support Development version?
It is the exact same software as the Free version. The purchase is simply a way to help fund continued development of Battery Health Utility and other Blackwire tools.
Does the Support version unlock extra features?
No. Both downloads provide the same application and current functionality.
Does it work on every Windows laptop?
The utility works with Windows battery interfaces, but the exact information available depends on the laptop, battery firmware, drivers, and Windows support.
Does the program upload my battery information?
No. Battery Health Utility does not upload battery information in the background. Replacement-battery searches open third-party shopping sites only when the user chooses to perform a search.
Can it create a battery health report?
Yes. The utility can create a professional battery health PDF report suitable for technicians, repair shops, refurbishers, IT departments, and customers.
Blackwire Battery Health Utility
Check the battery, watch the behavior, keep the evidence.
Download the complete application free, or choose the $9.99 Support Development option if you want to help fund future work.