Always top up my GS4, had it since launch and I've let it completely die a total of 2 times, both being due to simply not being near a charger.
Samsung GALAXY S4 32GB Exynos Octa Black Mist
Samsung GALAXY S2 16GB Exynos Dual Ceramic White
Apple iPad 4 16GB White WiFi+LTE
"World can't hold me, too much ambition"-Jigga