If the Storm shows the charging icon when you plug the charger in, you should be fine. The Storm will only draw the current it needs, so a slightly higher-rated power supply should be no problem. You should ask yourself, though, if the minimal risk is worth it. You're risking a $200 phone to save maybe $20 on a charger.
fyi, the charger for the pearl will not fit in the storm
The op is talking about using the mini to micro adapter with his current mini usb chargers! I bought 2 of these adapters from amazon for 9 bucks shipped........................
The op is talking about using the mini to micro adapter with his current mini usb chargers! I bought 2 of these adapters from amazon for 9 bucks shipped........................