Battery Unknown icon
battery_unknown: the Battery Unknown icon from Material Symbols, in Android. Customize the size, color, fill and weight below, then copy ready-to-use Angular code.
<mat-icon>battery_unknown</mat-icon>import { MatIconModule } from '@angular/material/icon';
@Component({
imports: [MatIconModule],
// …
})Battery Unknown icon variants
Every Material Symbols style, unfilled and filled, at weights 200, 400 and 700. Copy the <mat-icon> for a style, then set fill and weight with font-variation-settings.
Outlined
material-symbols-outlined<mat-icon>battery_unknown</mat-icon>Rounded
material-symbols-rounded<mat-icon fontSet="material-symbols-rounded">battery_unknown</mat-icon>Sharp
material-symbols-sharp<mat-icon fontSet="material-symbols-sharp">battery_unknown</mat-icon>Also in the legacy Material Icons font as Filled, Outlined, Round, Sharp, Two Tone. Pick a legacy style above to preview it.
Examples in Angular Material
Common places to use battery_unknown, with the template code. Previews are drawn to match Angular Material's Material 3 components.
Icon button
<button mat-icon-button aria-label="Battery Unknown">
<mat-icon>battery_unknown</mat-icon>
</button>Button with icon
<button mat-flat-button>
<mat-icon>battery_unknown</mat-icon>
Battery Unknown
</button>Floating action button
<button mat-fab aria-label="Battery Unknown">
<mat-icon>battery_unknown</mat-icon>
</button>List item
<mat-list>
<mat-list-item>
<mat-icon matListItemIcon>battery_unknown</mat-icon>
<span matListItemTitle>Battery Unknown</span>
</mat-list-item>
</mat-list>Toolbar
<mat-toolbar>
<span>My App</span>
<span class="spacer"></span>
<button mat-icon-button aria-label="Battery Unknown">
<mat-icon>battery_unknown</mat-icon>
</button>
</mat-toolbar>Form field prefix
<mat-form-field appearance="outline">
<mat-label>Battery Unknown</mat-label>
<mat-icon matPrefix>battery_unknown</mat-icon>
<input matInput />
</mat-form-field>How to customize the Battery Unknown icon in Angular Material
Use the controls at the top of this page to preview battery_unknown at any size and color, filled or outlined, and at any weight, grade or optical size, then copy the code. Here is what each setting does in your own Angular app.
Change the Battery Unknown icon size
<mat-icon> is fixed at 24 × 24 px, so set width and height along with font-size or the Battery Unknown glyph will overflow its box. Match opsz to the size for the crispest strokes.
<mat-icon class="battery-unknown-icon">battery_unknown</mat-icon>
.battery-unknown-icon {
font-size: 40px;
width: 40px;
height: 40px;
font-variation-settings: 'opsz' 40;
}Change the Battery Unknown icon color
The icon is a font glyph, so it takes the CSS text color. Set color on the <mat-icon> or on a parent, or use a theme variable to follow light and dark mode.
.battery-unknown-icon {
color: #1a73e8;
/* or follow your Material 3 theme */
color: var(--mat-sys-primary);
}Use the filled Battery Unknown icon
Material Symbols draws battery_unknown as an outline by default. Set the FILL axis to 1 for the solid version. It is the same icon name, so no extra font is needed.
.battery-unknown-icon {
font-variation-settings: 'FILL' 1;
}Change the Battery Unknown icon weight, grade and optical size
Weight (wght, 100 to 700) sets stroke thickness. Grade (GRAD, -25 to 200) fine-tunes thickness without changing size, for example -25 for light icons on dark backgrounds. Optical size (opsz, 20 to 48) adjusts detail for the size you display. Your font link must request these ranges, as below.
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200&icon_names=battery_unknown&display=block" />
.battery-unknown-icon {
font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
}Battery Unknown icon FAQ
- How do I change the color of the Battery Unknown icon in Angular Material?
- Give the <mat-icon> a class and set the CSS color property, for example .battery-unknown-icon { color: #1a73e8; }. The battery_unknown icon is a font glyph, so any text color works, including theme variables such as var(--mat-sys-primary).
- How do I make the Battery Unknown icon bigger?
- Set font-size, width and height together, for example font-size: 40px; width: 40px; height: 40px;. <mat-icon> has a fixed 24px box, so changing font-size alone makes the icon overflow.
- How do I get the filled Battery Unknown icon?
- Keep <mat-icon>battery_unknown</mat-icon> and set font-variation-settings: 'FILL' 1 in CSS. Material Symbols uses one name for both the outlined and filled Battery Unknown icon.
- How do I make the Battery Unknown icon thinner or bolder?
- Change the wght axis with font-variation-settings, from 'wght' 100 (thin) to 'wght' 700 (bold). Load the font with the full weight range, or the browser falls back to 400.
- Can I download the Battery Unknown icon as an SVG?
- Yes. Pick a style, fill and weight in the preview above, then open the SVG tab to copy or download battery_unknown.svg. Google publishes it under the Apache License 2.0, so it is free for commercial use.
About this icon
- Name
- battery_unknown
- Icon set
- Material Symbols and legacy Material Icons
- Category
- Android
- Also found by
- ?, assistance, charge, electricity, element, energy, help, info, level, power, punctuation, query, question mark, status bar, support, troubleshoot, ui, unavailable, unsure
- Symbols codepoint
- U+E1A6
- Licence
- Apache License 2.0, free for commercial use (Google Fonts)