A screenshot of a battery window is hard to file, hard to compare, and easy to argue with. An exported report is none of those things: it is a dated file with the actual numbers, in a format you can email, archive, or open in a spreadsheet months later. BatteryInfoView exports from both of its views with a single shortcut, and this guide covers every format, the clipboard route into Excel, and the two situations where taking thirty seconds to export genuinely pays off — before a warranty claim and before buying a used laptop.
If you have not run the tool yet, start with the download page and the health check walkthrough. All guides are collected in the Tutorials hub.
Save Selected Items: Ctrl+S
In both Battery Information view (F7) and Battery Log view (F8), the export command is Save Selected Items — Ctrl+S. Select the rows you want first: click a single row, Ctrl-click to add individual rows, or select all to capture the complete picture. For a health record, select all — the full set of fields is the point of the exercise. Then press Ctrl+S and choose where to save and in which format.
BatteryInfoView saves battery information into the following formats:
| Format | Best for |
|---|---|
| Text (.txt) | A plain, readable record anyone can open. |
| CSV / comma-delimited | Opening in Excel or another spreadsheet for sorting, charting, and comparing over time. |
| Tab-delimited | Pasting or importing into spreadsheets and documents where commas would clash with the data. |
| HTML | A formatted report you can open in any browser or attach to an email — easy for a non-technical reader. |
| XML | Structured data for scripts, archiving, or feeding into another tool. |
The same formats are available from the command line for scripted, repeatable exports — for example /scomma for CSV or /sxml for XML. The complete, official switch list with examples is in Command-Line Options: The Full List. For a one-off report, the GUI’s Ctrl+S is all you need.
The clipboard route: copy, then paste into Excel
For quick analysis there is an even faster path that NirSoft documents for both views: copy the selected items to the clipboard and paste them into Excel (or another spreadsheet). Select the rows, copy, switch to a blank sheet, and paste — the values land in cells you can immediately sort, subtract, and chart. This is the quickest way to compute Battery Health yourself from Full Charged Capacity and Designed Capacity to cross-check the displayed percentage (the formula is in Wear Level vs Battery Health), or to turn a Battery Log export into a drain chart.
A practical habit: keep one spreadsheet workbook per laptop, add a new pasted export every few months with the date in the sheet name or first column, and you build exactly the trend record that makes wear visible — far more useful than any single reading. The log’s auto-save option (Advanced Options, F9, v1.20+) can also write every new log line straight to a comma- or tab-delimited file; see the Battery Log guide.
Use case 1: before a warranty claim
If a battery fails early — health collapsing within the warranty period, or a machine that will not hold a charge — a dated export taken before you contact support documents the state of the battery in the tool’s own numbers: Battery Name, Manufacture Name, Designed Capacity, Full Charged Capacity, Battery Health, and cycle count (where the battery provides it). Export the full F7 view as HTML for a human-readable attachment and as CSV for the raw data, and keep your own copies. An export does not guarantee any claim outcome — warranties turn on the manufacturer’s own diagnostics and terms — but arriving with a clear, dated record of the reported capacities is strictly better than describing the problem from memory. Run the underlying check first with How to Check Laptop Battery Health and note the cycle count via Check Your Cycle Count.
Use case 2: before buying a used laptop
Ask the seller to run BatteryInfoView and send you the exported report — HTML is easiest to read, CSV is easiest to verify. Because the program is portable with no installation (see BatteryInfoView Portable), you are asking for two minutes of effort, not a software install on a machine you do not own yet. Read the report for:
- Battery Health (%) — how much of the designed capacity remains (formula: Full Charged ÷ Designed × 100).
- Full Charged Capacity vs Designed Capacity in mWh — the raw figures behind the percentage, so you can check the maths yourself.
- Number of charge/discharge cycles — shown only if the battery provides it; a blank here is not a red flag by itself (see Cycle Count Is Blank).
- Battery Name and Manufacture Name — useful for checking a replacement battery’s identity later (see How to Choose a Replacement Battery).
No export can prove how a battery was treated or how long it will last from tomorrow — treat the report as strong evidence about current capacity, combined with your own inspection and test of the machine. But a seller who will not provide even this is telling you something, and a report showing sharply reduced capacity is a concrete, numbers-based reason to renegotiate or walk away.
What to include in a complete report
For either use case, the most useful export is: the full F7 Battery Information view, all rows selected, saved as HTML plus CSV, with the date in the filename (for example battery-report-2026-10-23.html). If drain behaviour is part of the question, add an F8 log export covering a representative period. Rename files immediately after saving — the program’s own save dialog will happily overwrite an earlier export of the same name, and your trend record depends on keeping the dated files distinct.
Frequently asked questions
Which single format should I choose if I only save one file?
CSV. It opens in any spreadsheet, pastes cleanly elsewhere, and preserves every value for later comparison. Add the HTML twin when another person needs to read the report without opening a spreadsheet.
Does exporting change anything on the laptop?
No. Exporting only writes the file you choose, in the location you choose. BatteryInfoView is a read-only display and logging tool — saving a report cannot alter battery or power settings.
Can I automate a report every week?
Yes — that is what the command-line save options are for. A scheduled task can run the executable with a save switch and a dated filename. See Command-Line Options for the exact switches, and note there are no other documented switches beyond that list.
Next: automate captures with Command-Line Options, track drain with the Battery Log, or browse the Tutorials hub. The tool itself is on the download page via the official file at /go/batteryinfoview.