APCs USB Battery Extender provides emergency power when you need it 

	        most. Do not be left stranded when you need to make a call on your

	        mobile phone or desperately need the data on your PDA. This small, 

	        compact power solution is the perfect emergency battery. 

	* USB charging ports 

	   Allows you to simultaneously charge and power your mobile phone and 

	   handheld computer using APCs USB charging cables (sold separately).  

	* User-replaceable batteries 

	   Increases availability by allowing a trained user to perform upgrades 

	   and replacements of the batteries reducing Mean Time to Repair (MTTR).

	* Compact and Lightweight  

	   For maximum portability.