This 9V Battery Holder provides a professional and secure housing for a standard 9V (PP3) battery, featuring a pre-wired 2.1mm DC barrel jack for immediate connection to electronic devices. Designed for portability and ease of use, this unit includes a fully enclosed ABS box with a sliding cover and an integrated power switch, making it an essential component for mobile Arduino projects, guitar pedals, and portable testing equipment.
Universal 2.1mm DC Connector: Features a standard 5.5mm x 2.1mm DC male plug, ensuring plug-and-play compatibility with most development boards, 9V-rated monitors, and LED controllers.
Integrated Power Management: Equipped with a built-in ON/OFF slide switch on the side of the housing, allowing you to manage power consumption without removing the battery.
Full Enclosure Design: The heavy-duty black ABS plastic box features a snap-on sliding cover that fully protects the battery and internal terminals from debris and accidental shorts.
High-Tension Snap Terminals: Internal high-quality snap connectors ensure a rock-solid electrical connection to the battery, even in high-vibration environments.
Reinforced Output Cable: The DC plug is connected via a durable, flexible cable with integrated strain relief to prevent wire fatigue at the connection points.
Battery Type: 1x 9V (PP3 / 6LR61).
Output Voltage: Nominal 9.0V DC.
Output Connector: 2.1mm x 5.5mm DC Male Barrel Plug.
Switch Type: Manual SPST Slide Switch.
Material: Impact-Resistant Matte Black ABS.
Microcontroller Power: Directly power an Arduino Uno or Mega via the DC barrel jack for untethered robotic projects.
Audio & Music Gear: A reliable external power source for 9V effects pedals and portable preamps.
Field Testing: Powers portable 9V diagnostic tools and handheld signal transmitters where wall outlets are unavailable.
Emergency Lighting: Use as a portable 9V source for small LED arrays and security sensor testing.
What is the polarity of the DC plug? The plug is wired for the industry-standard Center Positive configuration, which is compatible with the vast majority of modern electronics and development boards.
Can I use a rechargeable 9V battery? Yes, standard NiMH or Li-ion 9V rechargeable batteries fit perfectly in this enclosure. The integrated switch is especially useful for managing the discharge of rechargeable cells.
Is the cover hard to open? The sliding cover is designed with a thumb-grip for easy access. It snaps securely into place but can be removed quickly for rapid battery changes in the field.
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