3.7V, 3300mAh, Li-ion Battery fits Spectra Precision, Pr-655, Pr-670, 12.21WhBattery Fits Models: Pr 655, Pr 670, Pr 680, Pr 680l, Spectrascan Pr 655, Spectrascan Pr 670, Spectrascan Pr 680, Spectrascan Pr 680l Battery Part Numbers: Lhjbt l11 The products we supply are exceptionally well designed; they use only the best quality parts and are built with safety as a priority. They are designed to be as durable as the original version of this product. This battery should be the same or greater capacity than the original battery.