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Hi there guys and gals can anyone help me im tryin to convert a few things that are petrol driven, ive found several parts that i can use but dont no what runs best with what.I want to use 6x12v 33ah sealed lead acid batteries a 72 volt motor geared, but the gearing needs to get a speed of 18,000 rpm, also i want use 3x12v alternaters to charge or use at 36v to prolong the life of the battery pack CAN ANYONE HELP…