About this replacement
Designed for Netgear, AT&T devices. Compatible models include Nighthawk M5, MR5000, MR5200, MR5200-100EUS, MR5100, Nighthawk M6, MR6150, Nighthawk M6 Pro, MR6110, MR6400, MR6500, MR6550. Replacement part numbers include W-20. Key specifications: 3.85V, 4750mAh, Li-ion.