Amazon.com: Replacement Battery for Fluke 120, 123, & 124 Series ScopeMeters and Fluke 43 & 43B Power Quality Analyzers. 3500 mAh : Industrial & Scientific
Amazon.com: Battery Fluke ScopeMeter 124, ScopeMeter 123, ScopeMeter 123S, 3000 / 4.8V mAh : Health & Household