Get a new mobile phone — and toss yet another old, incompatible phone charger. The GSMA mobile phone industry association promises to make that wasteful practice a thing of the past. The group on Tuesday announced an agreement among 17 mobile phone operators and major handset makers to standardize chargers by 2012 for most cell phones shipped. That means no matter what brand of phone you buy, the chargers should be interchangeable, making it possible to charge a phone from any available charger even if you leave yours at home.