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

Recovering low voltage cells

How to Fix Ryobi Batteries

Defekt Ryobi 18V Battery,, I FAIL and need your HELP - 1327

Ryobi li-ion one+ dead battery Diagnosis and repair

2 Packs 5.0Ah 18Volt For Ryobi P197 Battery One+ (Plus) High Capacity P108 P102 P104 P107 P105 P106 P103 BPL18151 BPL1820 RB18L50 P109

Ryobi li-ion one+ dead battery Diagnosis and repair

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

Multimeter shows 8 volts on 18v battery P107, but each battery shows around 3.8 volts : r/ryobi

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