Duracell Rechargeable Accu 2-in-1 usb charger & mobile phones

Seems this is an excellent device to power/charge many smartphones over an extended period

http://www.boards.ie/vbulletin/showthread.php?t=2056045761

Display price is 64.99. Scan price....3.95 in many Tesco outlets, picked up one of these 2000 mAh devices in Cork yesterday,they provide a compact and convenient way to get portable power, the 2-in-1 can charge two USB-powered devices at once instructions say they are suitable for Ipod classic, Nano & Iphone 3g, Blackberry Curve %Motorola RAZV3 devices

They have a retractable mini-USB arm and USB to mini-USB charging cable

They are suitable for most devices with a mini-USB port* *Consult device manufacturer for USB and mini-USB compatibility details

TECHNICAL DATA
Output voltage: 5 volts DC
Input voltage: 5 volts DC, max 0.8 amp

My question is would they be suitable for HTC Desire or the HD using the lead provided for mains charging this phone,

The cable supplied for connecting the USB to the micro USB is compatible with newer Motorola® mobile phones and BlackBerries®. Please note most newer Motorola® mobile phones cannot be charged using conventional USB cables. For such devices, the micro USB cable supplied must be used.