If you want to ask about alto's other then sha256 you need to ask in alt coins


https://bitcointalk.org/index.php?board=160.0


As for the Antminer L5 it come out  a while ago

https://cooldragon.en.alibaba.com/product/62037965003-806070501/1473MH_L5_Litecoin_Bitmain_antminer_L5_LTC_miner.html

I do not know anything about that seller. I found him with a google search.