Siren dead or dying batteries compilation [TAKE 2]

[Had to re-upload due to copyright disagreements] Dead or dying batteries can present with different symptoms depending on type of siren and whether or not it has low voltage protection.

Timestamps:
0:00 | Intro
0:06 | Groannnnnnnnn......
0:47 | Dubstep? Sirenstep?
1:09 | Pulsepulsepulsepulsepulsepulse....
1:53 | "Mr. Stark... I don't... feel... so... good..... (x_x)"
2:13 | Garbled warble
2:58 | Pop/boop
3:12 | Literal battery explosion
4:06 | Whatever the F this is
4:20 | End of video

Video credits (in order of appearance):
   • Argos, IN Super Sick Sentry Defender...  
   • Very Sick 2001-SRN St Joseph County S...  
   • Whelen WPS-4008 Hi-Lo/Wail ?  
   • Sick ASC Alertronic AL-8000 Siren Tes...  
[PENDING]    • SICK ACA Alertronic AL-4000, Amarillo...  
[PENDING]    • Sick Federal Signal Modulator 5020 Si...  
   • Federal signal modulator 6048 broke d...  
[PENDING]    • Duluth, MN Whelen Vortex R4  Failure  
   • Battery Explodes on a 2001-130  
   • ASC T-128 siren’s battery explodes at...  
[PENDING]    • Battery Explodes on a Whelen WPS 2810...  
   • Slightly Sick EOWS* 612 Sounding Hi L...