Upgraded 4800mAh Replacement Ryobi 18V Lithium Battery, Compatible with Ryobi 18 Volt ONE+ Plus P107 P108 P102 P103 P104 P105 - AliExpress
Source Replacement Ryobi Lithium Ion Battery Pack For Combo Kit Cordless Drill 12V Battery Ryobi Tools on m.alibaba.com
Advice on Ryobi pack repair. Some cells are reading a voltage of 0.1 to 0.3 millivolts, ie not 1 to 3 volts. I'm wondering if these cells are protected or locked, or