12 hrs backup kaakumdaa. 7 hrs ala ichi, fan speed baaga pemchi and Oka led light ichi vuntey baagumtumdi sir. My openion. Because power 3 hrs kamtey ekkuva podu Kada. And bayataki vellinappudu Kuda max Oka 5 hrs use chestaam amthey Kada.
Sir I brought this in Flipkart, I have charge full but it is comming 5mins exactly after that it is power off wast product,I bought this product because of you only sir I have trust on you..