Yes, I am using the stock 10" DJI props. The 5500mah battery from Helipal costs 79.90, plus shipping from Hong Kong, which is $29 for 1 or $37 for 2 batteries. http://www.helipal.com/storm-11-1v-5500mah-35c-lipo-battery-pack.html I got mine with the 550, so shipping was pretty much a non-issue...