it is time now for a check of the top business news i'm joined by bryant quinn and the bryant really begin. in australia with a pretty cool story this juan tessler has just scored. something of a cuba comes the renewable energies also about it right a big bet for eli must in its payoff tesla has succeeded in building the world's largest lithium ion battery in south australia. just gone online part of a government plan to shore up its energy grid after a string of damaging blackouts last year. almost had put himself on the spot promising that the renewable energy storage system would be online within a hundred days of signing a contract. or other would be free. so his eyes reports. from about some sweats at suu reality tesla has switch on the world's largest lithium ion batteries south australia. delivering on the promise made by the energy company's boss at o mosque to build a system within a hundred days or provided for free. the south australian prime minister said about she was history in the making process a little edgy. this is an example of south australia leading the world and