Carrier begins to offer free extended battery Not too long after Cingular/AT&T Wireless begin selling the Samsung BlackJack, some users began to complain that this smartphone's battery life is too short. In my review of the BlackJack, I commented that it both very nice that Cingular included an extra battery and a separate charger - but also a little disconcerting. Originally, this model came with two standard batteries. Now, those who buy a BlackJack get one standard and one extended battery. To make it up to those who got their device with only standard batteries, Cingular is now offering these customers a free extended battery. A cover designed for the later battery is also included. Only those with IMEIs between 352794010030189 are 352794012269959 are eligible for this offer. An IMEI is a 15-digit number that can be found either on the packaging or behind the battery on the device. To request this free battery, visit Cingular's web site. Here is a great example of a company responding to concerns and complaints. Are you listening Verizon and Sprint? How about our Moto Q batteries? More About the BlackJack The Samsung BlackJack is a slim Windows Mobile Smartphone with a built-in keyboard. It is currently available from Cingular Wireless and can access this carrier's 3G cellular-wireless network. This is a GSM phone with support for the 2.5G standard EDGE. It also includes Bluetooth 2.0.