HQRP 9V Battery Snap Connector HQRP 9V Battery Holder is lightweight and user-friendly. You need to connect one end of the item to the adapter. And the other end to the battery connector in your device. HQRP AC Adapter with 9V Battery Snap Connector can be used in your device instead of the battery and you do not need to worry about its charge level. Your device will work as long as you need! AC Adapter Input: 100V-240V AC;Output: DC 9V, 300mA;Replaces a 9-volt battery; UL Listed High Efficiency and Reliability Automatic Overload cut-off Automatic Thermal cut-off Short circuit and Over Voltage protection Low Interference & Noise Compatible with Compatible with 9-Volt, Radio, Square, 6LR61, 7.2H5, 6KR61, 6HR61, PP3, MN1604 Clip Connector Snap Cable Power Supply Cord. Compatible with American Marine Pinpoint Conductivity Monitor, Calcium Monitor, Oxygen Monitor, Nitrate Monitor, ORP Monitor, pH Monitor, Salinity Monitor. Compatible with Behringer REVERB MACHINE RV600 Ultimate Reverb Modeling, SUPER FUZZ SF300 3-Mode Fuzz Distortion, ULTRA METAL UM300 Heavy Metal Distortion, VINTAGE DELAY VD400 Vintage Analog Delay Guitar Effects Pedal. Compatible with Boss CS-3 Compression Sustainer, DS-1 Distortion, MT-2 Metal Zone, RC-3 Loop Station, RV-5 Digital Reverb, SD-1 Super OverDrive, TR-2 Tremolo, TU-3 Chromatic Tuner Guitar Effects Pedal. Compatible with Danelectro D-1 Fab Distortion, D-3 Fab Metal, D-4 Fab Slap Echo, D-5 Fab Chorus Guitar Effects Pedal. Compatible with Digital Multimeter, Microphone, Toys, DOGTEK Sonic BirdHouse Bark Control Clip Connector Snap Cable Power Supply Cord. Before buying please make sure your device works on one 9V battery. Also please note that the adapter does not Compatible with Dogtek Sonic Birdhouse that runs on 6 AA batteries. Compatible with Dunlop Cry Baby 535Q, MXR M109 6-Band Graphic EQ, M169 Copy Analog Delay, M234 Analog Chorus, M75 Super Badass Distortion, M87 Bass Compressor, MC404 CAE Wah Guitar Effects Pedal. Compatible with Electro-Harmonix EHX Big Muff Pi, Little Big Muff Pi, Metal Muff w, Top Boost, Superego Synth Engine Guitar Effects Pedal. Compatible with Ibanez TS808 The Original Tube Screamer, TS808HW Hand-Wired Tube Screamer, TS9 Tube Screamer, TS9B Bass Tube Screamer, TS9DX Turbo Tube Screamer Guitar Effects Pedal. Compatible with Jim Dunlop, Electronics Fuzz Face Distortion JDF2, Electronics Eric Johnson Signature Fuzz Face Distortion EJF1, Jimi Hendrix Fuzz Face Distortion JHF1, Octavio Effect JHOC1, Joe Bonamassa Signature Fuzz Face Distortion JBF3, Joe Bonamassa Signature Fuzz Face Distortion JBF3B. Compatible with Loop Station Guitar Effects Pedal Clip Connector Snap Cable Power Supply Cord. Compatible with Tens Unit, 9V Motion Detector. Before use please read the instructions carefully and check the possibility of using the 9V Battery Holder with your device. Disclaimer This is not an Original Equipment Manufacturer (OEM) product, HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility.