![Bought an RV with 8 Optima Blue Top Marine Batteries, Group Size D34M, 750 CCA. They sat dormant for a year before I bought it and now won't hold a charge. Is Bought an RV with 8 Optima Blue Top Marine Batteries, Group Size D34M, 750 CCA. They sat dormant for a year before I bought it and now won't hold a charge. Is](https://preview.redd.it/ydwm84qkdvh81.jpg?auto=webp&s=6632886a0acf29c4d117aebef750e2ac8d4cc7cd)
Bought an RV with 8 Optima Blue Top Marine Batteries, Group Size D34M, 750 CCA. They sat dormant for a year before I bought it and now won't hold a charge. Is
![Restoring an Optima Battery | Desulfate Optima Battery | Optima Battery Issues | Bundys Garage - YouTube Restoring an Optima Battery | Desulfate Optima Battery | Optima Battery Issues | Bundys Garage - YouTube](https://i.ytimg.com/vi/EFcI2in-uXc/mqdefault.jpg)
Restoring an Optima Battery | Desulfate Optima Battery | Optima Battery Issues | Bundys Garage - YouTube
![Restoring an Optima Battery | Desulfate Optima Battery | Optima Battery Issues | Bundys Garage - YouTube Restoring an Optima Battery | Desulfate Optima Battery | Optima Battery Issues | Bundys Garage - YouTube](https://i.ytimg.com/vi/EFcI2in-uXc/hqdefault.jpg)