LALELA INVERTERS A ****!!

DO NOT BUY A LALELA INVERTER! WHAT A **** OF A COMPANY WITH FALSE PROMISES. I bought a lalela inverter at Builders warehouse. Have only used the thing for either a computer or a tv (never at the same time) the battery says on the screen fully charged but it doesnt even last 15 minutes now. Builders Warehouse refuses to take responsibility and has put me as the customer in the middle to sort it out with the supplier. This doesnt look good for Builders either. My warranty card says the machine and battery is guaranteed for one year. I want a refund and they refuse to give me a refund. They are refusing every bodies complaints and you will not get your money back. Lalela thought they could get a quick rich scheme here but now they dont even want their own ******* machines back! DO NOT BUY ONE!