Does anyone have any idea when sigelei is going to build a PV around this beast chip!?!? Look at these specs... 5-35 Watts, 1.5-9.5 Volts and up to 12.5 Amps!?!? Holy CRAP 
Also when you choose By-pass mode, it can be used in mechanical mode! I....must.....have....this!!!! 

2014 Newest High Power YiHi SX350 30W Buck-Bost&Boost Single Battery DC-DC Subohm 0.2 to 3.0 ohm 5W to 30W 1.5V to 9.5V dna30, View dna30, Yihiecigar Product Details from Dongguan Yihai Electronic Co., Ltd. on Alibaba.com

Also when you choose By-pass mode, it can be used in mechanical mode! I....must.....have....this!!!! 

2014 Newest High Power YiHi SX350 30W Buck-Bost&Boost Single Battery DC-DC Subohm 0.2 to 3.0 ohm 5W to 30W 1.5V to 9.5V dna30, View dna30, Yihiecigar Product Details from Dongguan Yihai Electronic Co., Ltd. on Alibaba.com
