12.6V, 4400mAh, Li-ion Battery fits Ge, Inspection Usm33, Krautkramer Usm 33, 55.44WhBattery Fits Models: Inspection Usm33, Krautkramer Usm 33, Usm33 Flaw Detector Battery Part Numbers: 1003022 Although a generic version of the battery, the battery we supply is designed and built to be as robust and as good quality as the original OEM battery. The replacement battery listed here is developed using the highest quality components. If both your model number and battery number are listed in the product description, you can be almost sure