The "+" works fine and is a good indicator that the charger and cable are properly connected and working. This is a reassurance that we didn't have before. We used to have to take it on faith that the charging was underway whenever the cable was connected.
An indication of 97% during the charging of a Li-ion battery, most likely means the actual charging has been stopped and the charging circuit is testing the charge and will report 100% soon.
Luck;
Ken
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