Does anyone know if car chargers pump as much amperage as the wall charger into the phone? The phone seems to charge slower via car charger vs. AC, and it'd be nice if there was a car charger out there that rapid-charged.
The short answer is no. You have to consider the power source.
From a wall charger, your original power source is the wall. For the most part, all the power you could ever want (considering this specific application).
On a car charger, you getting power from a limited, closed loop system.
If you overtax your wall charger, you trip a breaker in your home, that circuit loses power, life goes on. On a car charger, the manufacturer, for safety reasons, has to consider the potential of overdrawing on a system which, should it suddenly shut down, could be potentially dangerous (accidents, fire, etc)
So, basic electrical theory, and safety, prevent a car charger from providing as much power as a wall charger.
My blackberry charger seems to work but intermittently it stops charging my Eris.
Very odd.
Just guessing, but it could be the charger itself. Some chargers have little "brains" built in that monitor that state of the battery they are intended to charge. It is possible that your Blackberry charger is one of these. it sees what is considered a full charge for a Blackerry and thinks it is done.