![PSA: Check RGRS MBC3 RTC cart for solder bridges and battery contact. RTC did not work on all 3 and needed aluminum tape to fix it. One of mine, pictured here still PSA: Check RGRS MBC3 RTC cart for solder bridges and battery contact. RTC did not work on all 3 and needed aluminum tape to fix it. One of mine, pictured here still](https://external-preview.redd.it/B0pRcSebvVcEJswKX4QMI7YDBhKXMq8Yl2kpOMaf-f0.jpg?width=640&crop=smart&auto=webp&s=3e0860828993338d7f06b64410ca656913d73b83)
PSA: Check RGRS MBC3 RTC cart for solder bridges and battery contact. RTC did not work on all 3 and needed aluminum tape to fix it. One of mine, pictured here still
SOLVED: Where is CMOS battery on Toshiba Satellite L55D-B5364 - Toshiba Satellite L55D-B5364 - iFixit
![4pcs/lot Panasonic ML1220 3V ML 1220 Rechargeable CMOS RTC BIOS Back Up Battery Button Coin Batteries Cell with solder feet|Button Cell Batteries| - AliExpress 4pcs/lot Panasonic ML1220 3V ML 1220 Rechargeable CMOS RTC BIOS Back Up Battery Button Coin Batteries Cell with solder feet|Button Cell Batteries| - AliExpress](https://ae01.alicdn.com/kf/He4e264ef203d41779036ce2592b853e1O.jpg)