My laser stoped working is it the laser or the batteries?

It used to last a long time but now it only last's 20 sec's is it becouse of the batteries or the laser ? The batteries charge alot faster than normal (Like they aren't dead) and then the laser sucks is it the laser or the batt's ?

What type of laser?
What type of batteries?

Jacob32123 said:

What type of laser?
What type of batteries?

Click to expand...

This laser Open-back Red Laser Pointer (2x CR2 Batteries): 200mW 660nm and Cr2 batteries