The battery is really good. Not draining fast. The battery is the only good part of the phone. Rest is bad "Hi Lavanya, Galaxy M51 has 34 Hours of video playback, 64 hours of voice call, 182 hours of music playback. Galaxy M51 does not has Secure folder. Hope this is of help. Regards, Samsung India"####[['battery', 'Battery/Longevity#General', 'positive'], ['battery', 'Battery/Longevity#General', 'positive']]