Sealead SL12-9 12V9AH Valve Regulated Lead-Acid Battery.
It is a 12V, 9Ah (10HR) battery, suitable for applications requiring a reliable power source like UPS systems.
It is a valve-regulated lead-acid (VRLA) battery, also known as a sealed lead-acid battery.
The battery has specific voltage recommendations for charging (14.4-14.7V) and standby use (13.5-13.8V).
It includes safety cautions against short-circuiting terminals and recommends ventilation during charging.