Sponsored Topics. Ruffin is an unincorporated community located in Rockingham County, North Carolina. It is northeast of Reidsville, North Carolina and southwest of Danville, Virginia just off US 29 (Future Interstate 785). It has a population of 2,116[citation needed].
Test your battery using HP Battery Check. Running HP Battery Check with HP Support Assistant installed: Running HP Battery Check without HP Support Assistant installed: 1  Click Start. 2  Click HP Support Assistant. 3  Click Troubleshoot. 4  Click the Power, Thermal and Mechanical button. 5  From the Power tab, click HP Battery Check.
Perform a basic battery load test. Note the exact voltage with the load test. on (see meter illustration). 2. Using the load voltage obtained above, see Table 2 or the meter face, to. find the minimum cranking voltage listed. If the engine is less then 200 CID, use the next higher minimum cranking voltage.