... to control recharging time. 9.The modified sine wave inverter comes with informative LED indicator and alarming functions. 10. ... we have CE, SONCAP, GOST, UL(pending) .modified sine wave inverter lntegrating research & development, production and marketing, Yiyuan Electric Co., Ltd ... equipments. In view of this situation, we have explored series of power supply products to meet the requirements of all ...