ok lng po sya na nka charge habang ginagamit, kasi ang mga laptop may switches na kung nka charge sya habang gingagmit nag swiwitch sya into AC power, di mo kasi magagmit fully yung performance ni laptop when it stays at battery mode.. will in fact laptop now a days like with GPUs are commonly use a high power comsumption.. dpende na po yung kung yung laptop na gamit mo is not a branded or yung di mo masyadong kilala yung manufacturer .base on my research and experience po