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

AvE got it wrong? Ryobi Battery Testing

Ryobi OP4026 95Wh Power Tool Batteries, Disassembly and Cell Harvesting (Battery Hookup)

Ryobi 18V lithium battery: charging without original charger, Page 2

Ryobi P191 Battery Attempted Fix

Ryobi li-ion one+ dead battery Diagnosis and repair

BQ40Z50-R1: Cell voltage is reading zero - Power management forum - Power management - TI E2E support forums

Notes on the Troubleshooting and Repair of Small Household Appliances and Power Tools

Ryobi 40 Volt Battery Fix - Reset Defective Battery

Failing to repair a Ryobi One+ 18V 1.5Ah Rechargeable Battery

Recovering low voltage cells

Ryobi 40V Battery Issues & Cell Harvesting