CAN ANYONE RECOMEND A GOOD BATTERY THAT WOULD FIT INSIDE THE SPORTTRAK HAS YOU ARE LIMITED FOR SPACE BECAUSE THE STOCK ONE I GOT DOSENT HOLD NO WHERE NEAR ENOUGH AMPS TO RUN THE WINCH WITHOUT DRAINING THE BATTERY AND I CANT FIND ANY WHERE ELSE TO MOUNT A SECOND BATTERY TO HAVE A SPLIT CHARGE SYSTEM