I have a raleigh 48 volt electric bike. It has a 4-pin battery connector, two wires are red and black I know those are obvious positive and negative. It has two small wires that are blue and white. I'm having trouble finding a four-pin replacement battery for this bike. What are the smaller wires for and how can I connect it to a two or a three-pin battery?
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sorry friend, without pictures, a model number or what type of battery it is its hard to help. you can start with the manufacturer to see what kind it is. also a good example of how premade ebikes can screw you, their batteries are a limiting factor for sure, and more prone to failure than professional custom made ones