All ULTRAMAX YT series "Liquifix" batteries use AGM technology which consists of an Absorbent Glass-fibre Matting between the lead plates inside the battery. Also replaces: GT12B-4, GT12B-B4, YT12B-BS, CT12B-4, ET12-B4, YT12B-4, YT12B-BS, ET12B-4, FT12-12B, F12-12B, 512 901 019, Yamaha 4TX-82100-02-00, Yamaha 4TX-82100-02-00.
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