... Co.,Ltd (A2)Voltmeter of internal battery resistance is mainlyused to measure battery terminal voltage andinternal resistance. The internal resistance ... of the instrument, thewire and battery output terminal on themeasured value, and the battery voltage canalso be measured at the ... -ion, nickel-hydroxide,lithium-manganese cells or assembled battery.3 1/2 digits 18mm LCDVoltage Measurement Range: ...