SparkFun
Button Cell Battery - 11.6mm (LR44)
$1.35
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A standard LR44 alkaline button cell battery (1.5 V) commonly used in digital calipers, calculators, small electronics, laser pointers, and LED throwies. Kee...
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A standard LR44 alkaline button cell battery (1.5 V) commonly used in digital calipers, calculators, small electronics, laser pointers, and LED throwies. Keep a spare on hand so you're never caught without power.
Specifications
- Voltage: 1.5 V DC
- Chemistry: Zinc-Manganese Alkaline
- Size: LR44 (11.6 mm diameter)
- Compatible With: LR1154, AG13, A76, 157
Package Contents
- 1× LR44 Button Cell Battery
Note: This item is non-returnable. If it arrives damaged or is not functioning properly, please contact us.
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
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