Robinair's No. TIFZX-7 is a replacement Nickel Metal Hydride (NIMH) Battery Pack for use with Robinair's TIFZX-1 Leak Detector. 4.8V, 1.8 Amp Hr capacity. Rechargable - use with TIFZX-1's charger. Sold individually. Robinair, a Bosch Automotive Service Solutions brand, is a global leader in service tools and equipment based in Owatonna, Minnesota. Robinair is recognized throughout the world as the quality and performance leader in AC/R evacuation tools and this position has led to its success with the full range of products that serve the heating/ventilating/air conditioning/refrigeration (HVAC-R) and mobile markets, which includes the automotive aftermarket along with other industries such as agriculture and construction.