3.7 Volt Battery with Thermistor Wire

I see a few post talking about single cell LiPo batteries with three wires. I also see that everyone is saying the white wire is for a thermistor. Here's my question which I have not been able to find an answer on. How can I charge a single cell battery that has the three wires using a PiPo Balance Charger? I can test the red and black wires using my DMM and show voltage so one would think I could connect the red to red and black to black coming from the charger and it would work but for some reason it wont. As soon as I try to charge the battery I get a warning on the screen that says "connection break". I will add that I though this was an issue with a specific battery so I tried another one exactly like it and got the same results. Thoughts?
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