If you got the cash spare pay the extra and go for one of these hitachi cordless drills
http://www.toolstop.co.uk/index.php...DV18DSDL/JJ-CW#utm_source=bing&utm_medium=cpc
Reviews here = http://mark.reevoo.com/reevoomark/en-GB/product?sku=HIT-DV18DSDL/JJ&trkref=TLS
WowThat is impressive
unfortunately out of my price range