Finding and Replacing the Batteries -
5881-09021-00 - Standard Williams / Bally battery holder with through hole circuit board mount terminals.
Bally 6803 Replacing the battery with a 2032 coin cell - "Escape from the Lost World" - YouTube
batteries | Peak Pinball
MPU 100/200 battery board for Bally/Stern games – No Quarters Arcade
5101 NVRAM Battery Eliminator Module for Bally Pinball Machines – PinballElectronics.com
NEW BALLY STERN UNIVERSAL REPLACEMENT MPU AS-2518-35 MPU-200 -17 -35 MPU-100 | eBay
Finding and Replacing the Batteries -
Frank's Lithium Battery Boards-for BALLY-WILLIAMS-DATA EAST-STERN-GOTTLIEB-GAME PLAN *Patent Pending | TNT Amusements Store
System 11B MPU Battery Corrosion Repair
Bally Pinball MPU PCB Corrosion Parts Repair COMBO KIT w/ Remote Battery Holder | eBay
Bally Pinball MPU PCB Corrosion Parts Repair COMBO KIT w/ Remote Battery Holder | eBay
Ultimate MPU Universal Bally/Stern Board | AlltekSystems
Bally Pinball MPU Corrosion Parts Repair COMBO KIT w/ Remote Battery Holder | eBay
TECH: How to replace the battery holder on a Williams System 11 CPU board | Museum of the Game® Forums
Standard Williams/Bally WPC Battery Holder
MPU 100/200 battery board for Bally/Stern games – No Quarters Arcade
Pinball Classics - No Solder Remote Battery Holder
Amazon.com: Williams Pinball Battery Holder - Mpu : Toys & Games
Pinball Life: Premium Remote Battery Holder for Williams/Bally WPC & WPC-95 Machines
Replacing the Battery in a Bally Pinball Machine - YouTube
