I-Coloured Mobile ZJ268 claims 666 days of standby and 3-5 days talk time without recharging. ZJ268 costs USD 128 with one year warranty. The cell phone comes with a 32800 mAh Lithium battery weighing 0.12kg. It operates in network GSM900 / DCS1800.
The mobile phone has a 3-inch touchscreen, 1.3 Mega pixel camera with picture & video capability, double stereo loud speaker, dual-SIM card support, 2-year long manufacturer-rated battery life, bluetooth 2.0, GPRS & WAP connectivity, MMS Transceiver, MP3 & MP4 player, IP dialing, photo editor, e-book reader, handwriting recognition and schedule power on/off. [via textually]