Need some new batteries for the GMC in my sig, I use a dual terminal one as the main battery to make it easier to jump other vehicles-Meijer has an 850 CCA dual terminal 78S battery for $109, the 20% mPerks coupon will make it $85. I know the WM Value Power ones are only $49, but they have a lower 600 CCA rating (might get one for the left secondary battery). Anybody use them or know who the manufacturer is? Web searches are a dead end, appreciate any input.