I just had a free test done on my battery, starter and alternator at a local oil change shop. Their results came back as follows:Battery: GoodSize 310 CCAInitial Volts 12.61VImpedance 12.59 mAvailable amps 256Battery temp 30 FStarterCranking Voltage NormalInitial 12.51 VAverage 10.55 VMinimum 9.27 V...