FREINDLY VERY WELL KNOWS WHAT HE IS DOING,NICE LOCAL SHOP EASY TO DEAL WITH WITHOUT THE HASSELS .HE CAN RUN BATTERY CKS ON YOUR VEHICLE OR BATTERY IF HAVEING PROBLEMS RECENTLY I TOOK A LEXUS IN DEAD BATTERY BUT AFTER CKNG IT OUT ALL CHED OUT WELL SOMETHING MUST HAVE BEEN LEFT ON TO DRAIN BATTERY CHARGED BATTERY NEVER HAD ISSUES AGAIN AND IT BEEN QUITE FEW MO NOW..WOULD HAVE GAVE HIM 5 STARS BUT HE DOES NOT ACCEPT CREDIT CARDS WHICH SUCKS BEING TODAY I NEED A LAWN TRACTOR BATTERY AND A BOAT BATTERY BUT WILL HAVE TO GO TO SEARS BECAUSE HE DOES NOT ACCEPT CREDITS CARD..