DIY 18V Ryobi Battery: Better Than The Original?#diy #18650 #Spot Welder#Power Tool Battery#ONE+

⚠️ Lithium Battery Risk Warning Old cells have aging and high internal resistance risks. No heavy load, no high current, no private disassembly. Do not imitate if you have no basic battery knowledge. 00:00 Intro & Dead Ryobi Battery Teardown 00:51 The Root Cause: Corroded Cells 01:08 Safe Rebuild Method (No Board Mod) 01:24 Cell Selection (Sony 10~15mΩ) 02:50 Cross Spot Welding Process 03:03 Qualified Weld Standards 03:45 Spot Welding Polarity Tabs 04:00 Why This Build Won’t Overheat This old Ryobi ONE+ battery has been put through the wringer on job sites for years. Its exterior looks pretty beat up, but don’t judge it by the cover. The factory BMS is rock solid, with heavy-duty components and great craftsmanship. All key parts work flawlessly after long-term heavy use. Instead of throwing it away, we will swap new cells inside. Let’s bring this tough workhorse back to life! 这块良明老电池在工地高强度用了很多年，外表看着满目沧桑，实则实力依旧在线。 原厂保护板做工精良，元器件用料厚实，长期高强度使用也没有出现故障。与其直接报废，不如更换全新电芯，让这位耐用的“老伙计”重获新生。