The word "Batlet" may seem peculiar, but it is a legitimate spelling of a derived form of the word "battle". The IPA phonetic transcription for "Batlet" is /baːtlɪt/, which clarifies its pronunciation. The long "a" sound in "Batlet" is pronounced like "bay", while the second syllable is pronounced with a short "i" sound, as in "bit". The "t" in "Batlet" is pronounced strongly, whereas the "le" at the end is unstressed and pronounced more like "ul" or "il".
A flat piece of wood for beating linen in the washing.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.