All ULTRAMAX YT series "Liquifix" batteries use AGM technology which consists of an Absorbent Glass-fibre Matting between the lead plates inside the battery. We are only human, and occasionally things do go wrong.
Genuine Yuasa YT12B-BS High Power AGM GEL Motorbike Motorcycle Battery YT12BBS
ULTRAMAX ETZ12S Classic AGM Motorcycle Battery (REPLACES YT12A-BS / YTZ12S)
Ultramax NP14-12 12v 14Ah 20HR (as 12Ah & 15Ah) Mobility Scooter Wheelchair Battery
ULTRAMAX TTX14-BS (REPLACES YUASA YTX14-BS) Motorcycle Gel battery
Ultramax NPG35-12, 12V 35Ah 20HR 36 Hole Golf Trolley Battery(as 30Ah, 31Ah, 32Ah, 33Ah, & 36Ah)