As far as I can tell this is what you have:
CPU : iMAP210 800MHz ARM11
Display : 7" 800 x 480
Memory : DDR2 256 MB
Hard Drive : NAND FLASH 2GB
Battery : LITHIUM-ION 2800MAH
Network : WIFI (802.11B/G)
Jack / Connector : MICRO SD (1-32GB)
Touch Panel : TFT SCREEN, RESISTIVE TOUCH PANEL
OS : GOOGLE ANDROID 2.2 FLASH 10.1 SUPPORT
Apps / Extras : OUTLOOK, MSN, ADOBE, SKYPE, GMAIL, YOUTUBE, GOOGLE MAPS, GOOGLE APP MARKET
Audio Player : MP3/WMA/WAV/AAC/ AAC+/OGG/APE/FLAC
Video Player : MPEG4/H.264/H.263/VC1/MPEG2/MPEG4/ WMV/FLV/3GP/AVI/MKV/MOV/VOB/RMVB
Accessories : Power adapter, Earphone, USB Cable
Built-in Webcam: No
Stereo Speakers: Yes
Touch Screen: Yes
Memory Card Reader: Yes
USB Ports: No
Dimensions: H 13.1 x W 18.9 x D 11.4
Weight: 0.66
Included: PSU Cable
Special Features : HDMI/G-Sensor
This spec states no usb sockets so if the host sockets are hardwired then you may in fact not be able to charge the battery this way after all. However, looks like you can buy a charger here if you get there before it goes:
http://www.ebay.co.uk/itm/UK-Power-Adap ... 27c69c2e78