Ключевые слова: accumulator, bank, battery, battery tester, blue, charge, check, condition, copy space, current, device, digital, electric, electrician, energy, equipment, gold, golden, good, green, indicator, industry, inspection, instrument, isolated, measure, monitoring, multimeter, object, plus, power, red, replace, resistance, sign, state, tester, tool, voltage, weak, white background, yellow,