I've tested hundreds of phone accessories this year — here are my favorite Prime Day deals discounted by 50% or more

(Image credit: Amazon) I’ve been reviewing phones for 18 years now, but as much as I love testing handsets, I enjoy pairing them with great accessories even more. Now that Amazon Prime Day is here, I’m breaking down which phone accessory deals are genuinely worth your money — especially those deep discounts that win over the impulsive buyer in me.Flashing discount badges and aggressive price cuts might tempt shoppers to pull the trigger, but having tested hundreds of phone accessories over the past year alone, I know what’s actually worth your money. I'm focusing specifically on standout gear slashed by 50% or more, instead of the 33% and 40% off deals I normally see.Here are my favorite Prime Day phone accessory deals worth grabbing.Best Amazon Prime Day phone accessory deals: Quick linksLisen 240W USB-C cable: was $19.99 now $9.49 at AmazonScosche MagicMount Magnetic Phone Mount: was $17.99 now $7.99 at AmazonPopSockets Phone Wallet: was $50 now $23.74 at AmazonZAGG Crystal Palace Case: was $54.99 now $26.99 at AmazonEcoFlow Rapid Mag Power Bank: was $79.99 now $31.58 at AmazonRazer Kishi V3: was $109.99 now $53.19 at AmazonBelkin BoostCharge Pro: was $119.99 now $59.99 at AmazonNOCO XGrid XDS3: was $129.95 now $61.72 at AmazonGoogle Pixel Watch 3: was $399.99 now $199.99 at AmazonBest Amazon Prime Day phone accessory deals: Best dealsShop more dealsSee all deals in the Prime Day saleSign up for Amazon Prime Follow Tom's Guide on Google News and add us as a preferred source to get our up-to-date news, analysis, and reviews in your feeds. Get instant access to breaking news, the hottest reviews, great deals and helpful tips. John’s a senior editor covering phones for Tom’s Guide. He’s no stranger in this area having covered mobile phones and gadgets since 2008 when he started his career. On top of his editor duties, he’s a seasoned videographer being in front and behind the camera producing YouTube videos. Previously, he held editor roles with PhoneArena, Android Authority, Digital Trends, and SPY. Outside of tech, he enjoys producing mini documentaries and fun social clips for small businesses, enjoying the beach life at the Jersey Shore, and recently becoming a first time homeowner.