: Reliable power delivery even as the battery nears low capacity. Compact Form Factor
Lead-acid batteries degrade rapidly if left below 10.5V. Try to keep the resting voltage above 12.4V for optimal health. ytst-c01 battery
YUASA No Maintenance Battery with Acid | Parts & Accessories : Reliable power delivery even as the battery
Alternatively, it could be a serial number or a batch code rather than a model number. For example, batteries might have batch codes to track production. But usually, that would be more numerical. that would be more numerical.