Refurbish any Lead Acid Battery. Golf Cart , Boat, Truck,CAR Auction is for information,procedure and recipe. If the batteries plates are not rusted and/or shorted then this works 99% of the time. YOU ONLY NEED ONE TO RENEW AS MANY BATTERIES AS YOU WISH>>>> It is just common chemistry knowledge..not magic. I sell the info for a fair price to help you save as well..also helps the enviroment.(I know..I am not a tree-hugger lol , but why not avoid the waste) I also offer more than just the info. Including: *Money back guarantee *Full after purchase support via email. I am an EZ-GO Dealer and have worked on Golf Cars for years and understand the Electronics and tricks of the trade.. I can help you troubleshoot what may not even be a battery problem. I have helped many with discussions on testing and analyzing what the problems may be. This is the advantage of working with me vs. the others. SEE MY FEEDBACK (100% Positive)...IT WORKS!!!!! Heres what other buyers have said: "Thanks for the info on the batteries etc..I did the process two days ago and it seems that the batteries are charging fine..Much bettter than before.." "I am impressed,Granted it took me a couple days to complete the process. However,the batteries went back in the golf cart and it Ran, It was the first time running the cart since I bought it with bad batteries and did't know if it would run or not..Happy Camper" " Cant believe how good this worked..Thanks for saving me $400 at least..." "Easy and it worked..thanks Rich" Excellent..saved me $700...Cant believe it!! Thanks Thanks for the info on the batteries etc..I did the process two days ago and it seems that the batteries are charging fine..Much bettter than before.. I just wanted to let you know how much I appreciate the information that I purchased from you. I had never made a "information" purchase on Ebay before. I had always figured them to be scams, and/or a load of B.S.!! But, your information was not such... it works!! I saved at least $300 using your simple procedure. Thanks so much! Excellent,easy..It worked..great GREAT WAY TO SAVE MONEY ! DONT WASTE YOUR MONEY ON A NEW BATTERY FOR A CAR, BOAT, OR GOLF CART . THE REFURBISHING PROCESS IS SIMPLE TO DO. What have you got to lose. Worth trying before you spend hundreds replacing your batteries. Please leave positive feedback. If you have a problem let me solve so you can.