Cold starting Amp is 190. Equilvent part numbers are GT12B-4, GT12B-B4, YT12B-BS, CT12B-4, ET12-B4, YT12B-4, YT12B-BS, ET12B-4, FT12-12B, F12-12B, 512 901 019, Yamaha 4TX-82100-02-00, Yamaha BTY-YT12B-BS-00. PLEASE ENSURE THAT YOU HAVE THE RIGHT BATTERY BEFORE STARTING THE FILLING INSTRUCTIONS, WE CANNOT RETURN / EXCHANGE IF YOU HAVE THE INCORRECT BATTERY & HAVE STARTED THE FILLING PROCESS.