Hunting spotlight

[4dogs]

Hi there people,just need some help, I have a Lightforce spot light that mounts to the scope of my rifle.
It runs of a 12volt car batterie or a 12volt 7.0Ah rechargeable.
I was wonting to know how i could increase the output of this light
without going to HID thank you for any help.

 

[Pacecar]

Are you using the 170 model, or the smaller 140 model? If you're using the 170 model, what bulb is in it? At least the 75W bulb? The 100 W bulb?