🔋 BATTERY TESTING HACK YOU NEED TO KNOW! 🤯⚡ Who knew you could test if your batteries are still good just by dropping them?! 👀 Here’s how it works: ✅ Take a fully charged battery and an empty one. ✅ Drop them upright onto a flat surface. ⚡ Good battery: Falls flat with a solid thud. ⚡ Dead battery: Bounces around like it’s had too much coffee. 😂 This super simple trick helps you quickly figure out which batteries are still good to use and which ones are totally drained — no tester needed, no

Car battery hack using an old key | Bored Panda Art