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4c is a great tint.

maybe an excuse to learn how to add two chips?

Is this a picture of the light you are writing about? Please examine your driver again. The driver on the picture looks exactly like the Nanjg 105C driver of my 8*7135 AMC Convoy S2+. IMHO 3 and 4 AMC drivers have the AMC’s on the inside of the pill, the 2 or 4 extra AMC’s go on the outside of the pill, at the spring-side. Because I can see 4 AMC’s I think this is an 8*7135 AMC driver. Put a Samsung 30Q in the light. This driver should pull some 2.7Amp at the tailcap.