Delta offers the most energy efficient power products in the industry, including switching power supplies with efficiency over 90%, telecom power up to 97.5%, and PV inverters up to 98.7% efficiency. We have also developed the world’s first server power supply certified as 80 Plus Titanium with over 96% efficiency. We invest 5% to 6% of our annual sales revenues in R&D and have worldwide R&D facilities in Taiwan, China, Europe, India, Japan, Singapore, Thailand, and the U.S.

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