Scary heat development

Although the adapter allows the continued use of old chargers, ecological profit he is probably still not as much charge energy is wasted heating the intermediate piece. It can precisely keep still in his hand, without burning, but the first time I'm scared something. Thought this part scorches and sets my place on fire, if I let it unattended infected. This but slightly above 40 ° C appear to be normal operating temperature -. At least when loading a N900, ev's indeed depends on your phone model with from.