I Rebuilt This Cheap Makita Battery... It Became a Beast

I opened a cheap drill battery expecting a normal battery pack—but what I found inside was shocking. In this video, I tear it down, rebuild the battery pack with quality 18650 cells, and test whether it can finally deliver real power. If you enjoy battery rebuilds, DIY repairs, and power tool testing, this video is for you. Plenty of videos on my channel: I test a lot of 18650 cells to choose right cells    • Test 18650 Cells Like This - Pro Guide!   DIY power bank for wifi equipment:    • No Power… But The WiFi Still Worked!   Fix Faulty Dewalt pack    • Before You Buy a New Battery, Try This   Revive 18650 batteries    • Revive Dead 18650 Battery - PRO SECRETS RE...   Subscribe for more real tests: 👉    / @powertruth1991   --- #battery #batterytest #electronics