Like Shredder said, it looks like an original Fury. Something to note is that Weecke and Sutra no longer carry the Fury I clones. Makes me think that the ones produced were orignial Fury's in and out. At 50 EUR ($58) its worth a buy, assuming that is Weecke's Official Amazon store, otherwise...
1. I dont know about Lithium Polymer but general battery health says that if you want your battery to last longer than average -
Don't plug it in while its hot. Wait twice as long as it takes for the unit to cool, then plug it in.
Don't drain the battery to 0%. They...
Same amount of time it takes to charge from the wall.
Take the number and divide by The Fury's battery (1600)
Also Belkin makes good batteries, I have their flat 5000 mah that fits way better in my pocket than my Anker 5000.
Yeah, if the aluminum gets into your blood that is bad but there would be nothing wrong with an Aluminum basket if it was pure alumninum (1220 F melting point). The problem is contaminated aluminum as is more common than contaminated SS. Also meshes can be made too thin which can cause lower...