Just when Samsung was about to announce the with battery back up of 67 days, an Indian mobile company called Zen mobile has officially launched a phone with dual sim and 72 days stand by time. It means that 1,728 hours battery back up. The talk time is 16 hours.

Zen M25 is priced at Rs 3,400.

The cell phone features a 2.4-inch TFT screen, along with a 1.3 mega pixel camera. 500 contact phone book, 3.5 mm jack

Apart from this, M25 offer all essential features such as FM radio with facility of recording, 3.5 mm audio jack, Bluetooth and expandable memory of 4GB.

The phone is targeted to the people who face power problems. The long battery back will come handy in power deficit area.

The price and features will attract middle class as well.

Zen Mobiles has signed Bollywood megastar Amitabh Bachchan as its brand ambassador.