After putting 4 batteries in series in the battery box which will not close the Zuumer launches out of the garage but then the batteries sag with my 235 pounds on the trike and the best it will do is walk back to the garage under power all of 25 feet. The batteries are so old (2004) while the charger light goes green they are done. Well at least it was enough to test the Zuumer and now I am not taking a chance on a stiff Lithium pack. I know the electronics work. Light, horn and a fancy alarm system. Really cool scooter with tilting suspension(trike). https://www.youtube.com/watch?v=UoEqL4l5XBg https://www.youtube.com/watch?v=Dvvt6DSsXSs However the Lithium pack is at a higher voltage. Like 56 volts. It might be possible the 48v lead pack is too low in voltage and is going below the working threshold of the Zuumer. If anyone knows how to get a manual for this vehicle I would appreciate it. Even better where to get a set of batteries. Lawrence Rhodes
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