What with the price difference in UPS

BeHapptFTW

Reputable
Sep 8, 2015
45
0
4,540
i was checking out cyberpower and i liked this one this other and lastly this one

Why is the 510W 850 VA (which is lower than the other 1000VA 600W ones) more expensive? is this like maybe features? and if the case, what features should i look for? thanks alot!
*for those that want to check my build for reference: >>>:)<<<<