Handy Reference Chart:
OEM batteries by series
71XX – Dark blue (C-S2) – 1000mAh
81XX – Gold/yellow (C-M2) – 1400mAh
83XX – Dark blue (C-S2) – 1000mAh
87XX – Dark Blue (C-S2) – 1000mAh
88XX – Green (lime) (C-X2) – 900mAh
IGT Slot Super Stepper Controller MPU CPU PCB Motherboard - Untested Auction M
$45.00
IGT S 2000 Enhanced MPU CPU PCB Motherboard Slot Machine - Untested Auction N
$45.00
IGT S2000 Enhanced MPU CPU Motherboard With Tray - Untested - Auction P
$45.00
IGT S 2000 Enhanced MPU CPU PCB Motherboard Slot Machine - Untested Auction O
$45.00
IGT Game King 3902 MPU CPU Motherboard With Tray - Untested - Auction K
$45.00
IGT 3802 MPU CPU PCB Motherboard Slot Machine - Untested Auction F
$45.00
IGT Game King 3902 MPU CPU Motherboard With Tray - Untested - Auction D
$45.00
SILVER STRIKE BOWLING CPU MOTHERBOARD ARCADE
$25.00
IGS PGM original game motherboard
$90.00
IGT Game King Enhanced Bar Top Motherboard
$129.99