Feile Audio's operating income last year was 2.134 billion yuan, down 0.39% year-on-year. Due to market competition and engineering sales, sales revenue declined slightly.
In 2015, the company's business target was 3.85 billion yuan of main business income, and strive to complete 5 billion yuan.

Energy storage is a vital component of the transition to clean, zero-emissions electricity.
A Battery Energy Storage System (BESS) is a technology developed for storing electric charge by using specially developed batteries. The underlying idea being that such stored energy can be utilized at a later time.
A typical lithium-ion battery can store 150 watt-hours of electricity in 1 kilogram of battery. A NiMH (nickel-metal hydride) battery pack can store perhaps 100 watt-hours per kilogram, although 60 to 70 watt-hours might be more typical.
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