Apple’s iWatch will run full-flavored iOS, according to a new report, and the company is indeed targeting an end-of-year approach, but will first have to tackle battery life issues. According to sources speaking to The Verge, Apple’s prototype watch hardware is currently getting only a couple of days out of its battery, and the company is targeting at least four to five (around what the Pebble gets) before ramping up for a public release.