The United States fluke company Fluke BP7235 nickel-hydrogen batteries of superior quality, powerful function, high performance, than similar products, since its launch on the critically acclaimed.Description: 7.2V 3500 mA-hour rechargeable Ni-MH battery pack. Application: Provides typical 16-hour battery life when used in 700 or 740 Calibrator. Included: One battery pack. Material: Six 1.2V dc Ni-MH cells in custom-molded ABS/PC-blend case. Application: 7.1" x 2.2" x .9" （150 mm x 56 mm x 22 mm） Dimensions: 7.1" x 2.2" x .9" （150 mm x 56 mm x 22 mm） Weight: 11 oz/310g Warranty: One year