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.
ULTRAMAX TTX14-BS (REPLACES YUASA YTX14-BS) Motorcycle Gel battery
Ultramax 12V 10Ah 240V (LiFePO4) Lithium Iron Phosphate Battery Charger
Ultramax 12V 20A 240V (LiFePO4) Lithium Iron Phosphate Battery Charger
Ultramax 24V 5Ah XLR Lithium (LiFePO4) Smart Charger 29.4V Charging Voltage
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Ultramax 48V 5Ah 240V Lithium-ion (Li-ion), LiNiMnCoO2 Battery Charger