11/12/10 I bought a new Mega Tron 85 Mo. Battery for my Daughter's Mustang Nov. '07 . The battery after charging 24 hrs would not hold a charge. I took it to my local Interstate Parts store to get another. I was shocked to learn that with 50 mos left on the battery that it was prorated out to be worth only a little over $40. The Parts store stated that an 85 mo battery is no longer available and I would have to pay an additional $ 65 +Tax for a Mega Tron 75 mo battery. This IS A RIP OFF! I paid extra for a Heavy Duty Battery because... read full review »