... 99.9V 2)three internal Resistance testing range:0~199.9m,200~1999m, ( Voltmeter OF INTERNAL BATTERY RESISTANCEModel: SM8124Shenzhen Sanpo Instrument ... Co.,Ltd (A2)Voltmeter of internal battery resistance is mainlyused to measure battery terminal ... , 200~1,999m, 2~19.99Internal Resistance Resolution: (0~199.9m)0.1m, (200~1,999m)1m (2~19.99)10m ...