About this replacement
Designed for Frontier, AT&T, ARRIS devices. Compatible models include NVG589, U-Verse NVG589, NVG599 Gateway, NVG599, NVG589 VDSL2 Gateway. Replacement part numbers include 586185-001-00, 586185-002-00. Key specifications: 7.4V, 5600mAh, Li-ion.