Support phone won't charge. help.

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http://androidforums.com – my phone won't charge i bought a new battery and it still doesn't charge. i have tried different charges and still doesnt charge. so i stripe the wires on the usb and stuck the positive and negative to wire to my phone. thatshow it works but i cant take it out of my room because if i unpluge it it turns off. its not the battery or the charger. what can the problem be? (General)