Battery 9V: A standard 9V battery, widely used for powering small electronic devices such as smoke detectors, remote controls, and portable gadgets. Known for its compact size and reliable power output.
A 9V battery is a compact, rectangular battery commonly used to power small electronic devices. Known for its characteristic rectangular shape with snap-on terminals on top, the 9V battery was introduced by Energizer in 1956 and has since become standard in applications requiring moderate voltage and low current.
Key Specifications
Voltage: Nominal 9 volts
Capacity: Usually between 400–600mAh for alkaline types, with variations depending on the chemistry (e.g., rechargeable NiMH or lithium versions may differ).
Physical Size: Standardized as PP3 size, with dimensions of approximately 48.5 mm x 26.5 mm x 17.5 mm..
Common Applications
Smoke Detectors: Widely used for consistent power in low-drain smoke alarms.
Portable Electronics: Radios, calculators, and older gaming devices.
Test Equipment: Multimeters and similar devices due to their low power requirements.
Toys and Other Gadgets: Commonly found in small battery-operated toys and tools.