TECH: How to replace the battery holder on a Williams System 11 CPU board | Museum of the Game® Forums
6116 NVRAM Battery Eliminator Module for Bally Pinball Machines – PinballElectronics.com
Building a remote battery pack for pinball | EnterYourInitials
MPU SETUP INO - Pinball Electronics from barakandl
Frank's Williams and Bally WPC Pinball machines CR2032 Battery, Direct Fit! | eBay
PINBALL: Repairing Bally, Stern Pinball Games 1977-1985, part one
Battery Replacement - Bally Pinball MPU Board 1977-1985 - YouTube
5101 NVRAM Battery Eliminator Module for Bally Pinball Machines – PinballElectronics.com
Pinball Classics - No Solder Remote Battery Holder
How To Get Rid Of Those Pinball Batteries - No More Ruined Boards
How To Get Rid Of Those Pinball Batteries - No More Ruined Boards
Ultimate MPU Universal Bally/Stern Board | AlltekSystems
Frank's Lithium Battery Boards-for BALLY-WILLIAMS-DATA EAST-STERN-GOTTLIEB-GAME PLAN *Patent Pending | TNT Amusements Store
MPU 100/200 battery board for Bally/Stern games – No Quarters Arcade
5881-09021-00 - Standard Williams / Bally battery holder with through hole circuit board mount terminals.
Gottlieb Systems 80, 80A and 80B – No Quarters Arcade
Standard Williams/Bally WPC Battery Holder
Williams Bally Gottlieb Data East Pinball Machine Remote Battery Holder 3 AA | eBay
Finding and Replacing the Batteries -
How To Get Rid Of Those Pinball Batteries - No More Ruined Boards
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Bally 6803 Replacing the battery with a 2032 coin cell - "Escape from the Lost World" - YouTube
Bally Pinball MPU PCB Corrosion Parts Repair COMBO KIT w/ Remote Battery Holder | eBay
Pinball Classics - No Solder Remote Battery Holder
Replacing the Battery in a Bally Pinball Machine - YouTube
