the biggest issue with 3S in detta is their height as the battery holder can accommodate batteries only up to about 22mm tall, so its more suited for 2S
but these should fit ok
http://www.hobbycity.com/hobbycity/s...0C_Lipoly_Pack
Rhino is just another Zippy brand. the were supposted to be the lowest grade, but they seem to be holding quite nice.
they indeed use JST-XH tap
I do have rhino 2S 1050 and 1250 for testing as they were so cheap, but normally I use Zippy-H 2S 1450mah and now lately Trakpower 2S 1345mah