would this work to power a 6V sound machine/projector? My toddler ha a figured out how to unplug it no matter where we put it - needs to be on a shelf

It should have no issues with powering your projector. Make sure the cannon plug is the right size.

Would it power an Ammoon pedal looper?

Check the pedal to see what the power jack spec is...center positive or center negative. This battery adapter is center positive. The "Boss" power connectors are center negative, and most but not all guitar pedals use that configuration. So for most pedals, you would have to either cut the wires and swap the polarity, or you can physically tape the battery connector to the battery in reversed fasion (i.e. such that they would not snap together/pairing the like connectors instead the ones that mate.)

Are these wired as center negative or posative?

This battery clip comes wired with a standard 2.1mm x 5.5mm plug. A standard plug is center positive. The standard plug is used to power the popular Arduino, so you can find more information and videos online if you search under "9-volt battery Arduino hookup". In this way, you can verify that your own gear requires a center positive plug.

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5pack 9v Battery Clip with 2.1mm X 5.5mm Male DC Plug for Arduino by Corpco

5pack 9v Battery Clip with 2.1mm X 5.5mm Male DC Plug for Arduino by Corpco

Product ID: 511953138

Details

Brand
Corporate
Colour
Black
Input voltage
9 Volts
Item dimensions L x W x H
12.7 x 1.3 x
Item weight
0.01 Ounces

📏6-inch cable length

🔋9V power output

🔌2.1mm x 5.5mm male DC plug

S$60

Duties & taxes included

In stock

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Description

🔋 Power your passion projects anywhere, anytime!

PLUG PLAY POWER - Seamlessly connect your 9V battery to Arduino with a standard 2.1mm x 5.5mm male plug.
COMPACT LIGHTWEIGHT - Ultra-lightweight clips (0.01 oz) with a sleek 6-inch cable for flexible project setups.
MULTIPACK CONVENIENCE - Five clips in one pack to keep all your DIY projects powered and ready to go.
RELIABLE VOLTAGE SUPPLY - Consistent 9V output ensures stable power for your LED strips and microcontroller boards.
WARRANTY BACKED QUALITY - Confidence in every snap with a 90-day warranty from Corporate Computer.

This 5-pack of 9V battery clips by Corporate Computer features a 2.1mm x 5.5mm male DC plug and 6-inch cables, designed for easy, portable power solutions for Arduino and LED projects. Lightweight and compact, these clips deliver reliable 9V output and come with a 90-day warranty, making them an essential accessory for makers and tech enthusiasts.

Specifications

ASIN	B01AXIEDX8
Brand	Corporate Computer
Brand Name	Corporate Computer
Colour	Black
Input Voltage	9 Volts
Input voltage	9 Volts
Item Dimensions	12.7 x 1.3 x 7.6 centimetres
Item Weight	0.01 Ounces
Item dimensions L x W x H	12.7 x 1.3 x 7.6 centimetres
Item weight	0.01 Ounces
Manufacturer	Corporate Computer
Manufacturer Part Number	Corpco-x-9vsnap-5pk
Model Number	Corpco-x-9vsnap-5pk
Number of Items	5
Number of Outlets	5
Output Voltage	9 Volts
Output voltage	9 Volts
Plug Type	DC
UPC	711730881264
Unit Count	5.0 count

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