About this replacement
Designed for Gateway devices. Compatible models include M350S, M350WVN, M350X, M350XL, 400SD, 400SD4. Replacement part numbers include 6500673, 6500674, 6500712, 6500713, 6500742, 6500743, 6500775, 6500776, SQU-211, 4UR18650F-3-QC-OA4L, GT-400SD4. Key specifications: 14.8V, 6600mAh, Li-ion.