If you are looking for best batterylife on 7 inch tablet, this is it. It has 21w battry compare to 15w on Galaxy Tb with same cpu.
It should be available during march but pricing is still unknown.
viliv X7 Android Tablet
Longest battery life powered 7 inch Android
Samsung Cortex A8 1 GHz CPU with Power VR SGX 540
Android 2.2 / 3.0 (TBD)
7 inch (1024x600) Clear Type LCD, 16M color
1080p Video Playback
Wi-Fi: 802.11 b/g/n
3G HSPA or WIMAX or EVDO
Rear 3MP Camera / Front 1.3MP Webcam
HDMI l Micro USB l Micro SD/SDHC supporting 32GB
Storage: 8GB (16GB/32GB available)
5600 mA/h, 21W, 9.5 hours Operation
398g / 0.877lb,
14.3mm / 0.56inch Depth Design