VRLA AGM: design life 7-10 years
The AGM range has very low internal resistance making them particularly suitable for high current discharge applications such as for inverters, thrusters and winches.
12V 8Ah AGM Deep Cycle Battery
Nominal voltage : 12 V
Nominal capacity @ 25 °C : 8Ah
Cycle life @ 80 % DoD and 25 °C : 400 cycles
https://www.victronenergy.com/upload/documents/Datasheet-GEL-and-AGM-Batteries-EN.pdf
