Tests SLA Flooded Gel Cell or AGM batteries. Also tests discharged batteries and detects bad cells.. The RC-300 enables the user to" blue print" known good batteries of different types/sizes to drive improved testing accuracy.. The unit will store up to 40 different" blue printed" battery types.. The user can also set customized pass/fail settings based on their preferred profile.. Applies a true 40 amp load during testing to simulate real world operating conditions and provide more accurate test results.. Tests 6V and 12V batteries rated between 4AH - 50AH.. Stores the last 50 tests in memory. Test Results Include: Batterys Measured Amp Hour (Ah) Capacity Battery Voltage And Percent Of Charge And What The Batterys State Of Health Is (Good Near End Of Life Or Bad).. 30" - 16 gauge leads. Customer communication with optional PR-12 (external printer) PR-20 (bolt-on printer) or AC-12 (PC cable).. Tough impact resistant plastic housing with easy grip rubber booth that prevents damage to the unit.