That the device can provide a Galaxy Ace with power, was to be expected. However, * * it invites the smartphone even then, when all power-hungry (GPS, mobile network, Bluetooth, navigation and unnecessarily even WLAN) are activated. Many other 'Lade'gerät from the accessories crate buckled under such a burden and delays the end only addition.
The charger is processed properly, can be switched on without Hakeleien and unplug and fits perfectly into the 12V socket.