NP7-12L, 12V 7.2AH Ultra Max Lead-Acid Battery with 6.3mm connection
It is made from lead-acid and is compatible with a range of devices that require a 12V power source. For standby power this range has a nominal 5 - 8 year life. (12V 7.2Ah). Fully Sealed (cannot spill) - Rechargable - Deep Cycle battery.