I haven't used them personally, but if I were in the market the first place I'd check is
www.jademountain.com. Their line is worth looking at in any case, and they have a pretty good reputation among the high-tech end of the homesteading crowd.<br>__________________<br><br>Later: It seems that Jade Mountain has merged with something called Real Goods. <br><br>Here's the index page... still interesting stuff:<br><br>And here are a few chargers that might be what you're looking for:<br><br>http://www.realgoods.com/shop/shop3.cfm?dp=305&ts=1011563<br><br>http://www.realgoods.com/shop/shop3.cfm?dp=305&ts=1051068<br><br>http://www.realgoods.com/shop/shop3.cfm?dv=3&dp=305&ts=1050212&kw=solar<br><br>They used to have an even smaller unit, the size of a AAA case, but as I recall it took a long time...