9V Battery Holder Box with ON/OFF Switch — Wire Lead, Cover Case, -40°C to 80°C

9V Battery Holder Box with ON/OFF Switch Wire Lead, Cover Case, -40°C to 80°C

$23.84 USD

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9V Battery Holder Box with ON/OFF Switch — Wire Lead, Cover Case, -40°C to 80°C

This 9V battery holder box accepts a standard PP3 / 6F22 9V battery and features an integrated ON/OFF switch and wire lead output, making it the simplest way to add portable 9V power to Arduino projects, sensor nodes, and DIY electronics. The protective cover case prevents accidental short circuits and keeps the battery secure during use.

Key Specifications

Parameter	Value
Battery Type	9V PP3 / 6F22 (not included)
Switch	ON/OFF slide or toggle switch
Output	Wire lead (red = +, black = −)
Cover Case	Yes (protective enclosure)
Operating Temperature	-40°C to +80°C

Using 9V Battery with Arduino

Connect wire lead to Arduino DC barrel jack (2.1mm, center positive) or VIN pin
Arduino's onboard regulator steps 9V down to stable 5V for the MCU
Typical alkaline 9V battery provides ~500mAh — suitable for low-power sensor projects
For longer runtime, use a 9V Li-ion rechargeable battery (600–800mAh)

Why Choose This Battery Holder?

✅ Integrated ON/OFF switch — no need to disconnect wires to power off
✅ Protective cover case — prevents short circuits and battery ejection
✅ Wire lead output — easy to connect to barrel jack, VIN, or screw terminals
✅ -40°C to +80°C — reliable in outdoor and automotive environments
✅ Compact and lightweight — minimal weight addition to portable projects