... product development ability PG Modified Sine Wave InverterPG modified sine wave inverter is a combination of an inverter and a charge ... control recharging time. 9.The modified sine wave inverter comes with informative LED indicator and alarming functions. ... have CE, SONCAP, GOST, UL(pending) .modified sine wave inverter lntegrating research & development, production and marketing, Yiyuan Electric Co., ...