If you're working on a specific model, I can tell you if its PRAM battery is or in a holder . Do you know the model of your Macintosh? Are you trying to replace a dead one?
Enthusiasts often carefully cut or desolder these old batteries to remove them before they destroy the logic board. 3. "Not User-Serviceable" (Technically) MACINTOSH PRAM BATTERY
If your vintage Mac is suddenly living in 1956 (or 1904, 1984, etc.) every time you turn it on, the PRAM battery is likely dead. 2. The Danger Component (Soldered vs. Holder) If you're working on a specific model, I