This is a great 12V Group 27 sealed AGM (maintenance free) battery from Trojan. Spec sheet linked below.

Model: 27-AGM
Voltage: 12 V
Capacity: 89 Amp-Hours (AH) @ 20 Hour Rate
Watt Hour Capacity: 1,068 Wh
Group: 27
Dimensions: 12.05 (306) x 6.84 (174) x 9.32 (237) Inches (mm)
Battery Type: VRLA AGM
Color: Maroon (case cover)
Material: Polypropylene
Watering System: N A
Design Life: 10 Years

NOTE: We typically do not ship these batteries. We have numerous locations that these batteries can be picked up locally at across the US. If you place an order for these online we will check into the closest pick-up locations with available stock and contact you.

Documents:
Trojan 27-AGM Battery Specsheet
Battery Wiring Diagrams
Trojan Battery Manual