4-50 Ah Intelligent Handheld SLA and STANDBY Battery Capacity Tester Tests SLA , Flooded, Gel Cell, or AGM batteries. Also tests discharged batteries and detects bad cells. . 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. 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. . Test results include: battery's measured amp hour (AH) capacity, battery voltage and percent of charge, and what the battery's 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 plastic housing with easy grip rubber booth that prevents damage to the unit. RC-300 Yes -