TP2 Keeps Rebooting

[Access_Denied]

So I've had my Sprint TP2 for about 6 months now. During the first few months, I played a lot with customs ROMs. Well about 2 months ago, I gave up on Windows and moved to Android (SD boot). I haven't touched the ROM on it in 2 months. Well now all of a sudden I have these rebooting problems. I turn it on and it shows me the white screen with 'HTC' written on it, then it turns off and repeats this cycle. Holding down the volume down button to get to recovery mode does the same thing, I see the recovery screen for about 2 seconds, then it reboots.

Also, I think the battery may be dead, so my first thought was to charge it. But I can't charge it because it instantly tries to boot up when I plug it in, then gets stuck in this reboot cycle.

There's no SIM card in it and I pulled out the SD card as well. I'm using the factory USB cable and tried charging from both the wall and my PC. I have a feeling that it might just be my battery being dead, and it not having enough power to boot, but how am I supposed to charge the battery when it quits charging on every reboot? (The orange light goes off when it boots, then turns on when the phone shuts down.)

It might help to note that before this started, I tried to boot Android and Haret.exe got stuck somewhere along the process, so I took out the battery, and that's where I am now.

Also, that was posted last night on XDA, so since then, the battery was out of the phone the entire night. I also called HTC and they sent me to warranty claims, and my warranty ends Monday. Sweet deal, but it does have the custom ROM on it, so I don't know if they'll find that or not. :/

Anyway, I'd be happy to provide more information. Also, I thank you guys for your help in advance.