Hey there Aigrous A9 Pro massage gun owners! If you've lost or damaged your original charger, this PKPOWER AC adapter is exactly what you need to get back to those muscle-melting massages. This isn't some cheap knockoff - it's specifically designed for your A9 Pro massage gun and delivers the perfect 12V 2A power it requires. The input works with 100-240V 50-60Hz, so you can use it pretty much anywhere in the world, which is great for travelers. PKPOWER products are CE, FCC, and RoHS certified, and they're tested to match or even exceed the original manufacturer's specifications. It's got built-in protection features too - OVP (Over Voltage Protection), OCP (Over Current Protection), and SCP (Short Circuit Protection) to keep your massage gun safe from power issues. The connector is the exact right size for your A9 Pro, so no jiggling or loose connections. The package includes just the charger itself - simple and straightforward. If you have any issues or questions, their customer service team is super responsive (just contact them through your account and they usually get back within 24 hours). Seriously, don't risk using some random charger that might damage your expensive massage gun - this is the real deal replacement that'll keep your recovery sessions going strong. Perfect for home use, gym bags, or travel cases. Your sore muscles will thank you for getting this sorted out!