My C.H.I.P. experiments haven't gone much further yet, I did try the block chain but couldn't get it to sync, I've just started it downloading the complete block chain so I'll see how that goes (based on my Pi experience I'm expecting around 24 hours. I did also run the C.H.I.P from it's 3000mAh battery earlier and had it going for 4 hours whilst travelling, I'm not sure how discharged the battery was in that time, (I've seen some reports of 8-10 hours). Once I've got the block chain downloaded I'll do a decent battery test.
And it's got the whole block chain, I think that was just under 24 hours to complete so not too bad.
I've also managed to transfer my coins from my Pi2 wallet to the CHIP and back again (leaving a few behind to test staking) so it seems to be working. Now to work out what other tests are useful in seeing how well it works.