batterery hack from old laptop batteries to use in flashlight

rechargeable 18650 batteries from old laptop battery. Recharger for these, cheap, free shipping here: http://www.dealextreme.com/details.dx/sku.936~r.43716525 (follow link for NEW improved 502b LED, ) XPE-WCR5 http://dx.com/p/ultrafire-wf-502b-cree-xpe-wcr5-320-lumen-led-flashlight-with-clip-1-18650-2-16340-35074?item=4~r.43716525 or the XM-L by following: http://www.dx.com/p/ultrafire-wf-502b-cree-xm-l-t6-885lm-3-mode-memory-white-light-flashlight-black-1-x-18650-160509#.Vo_8blmYGu4~r.43716525