Battery Type: Li-ion; Voltage: 11.1V; Capacity: 5200mAh; Cell: 6 Cells;Model:3521.
Compatible for Dell Insprion N3421 N3437 N3442 N3521 N3537 N3542 N3721 N3737 N5421 N5437 N5521 N5537
CE-/FCC-/RoHS-Certified for safety. Short circuit, overheat, and overload protections.
100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery.
RISK-FREE.You're covered by our lifetime manufacturer warranty and 100% satisfaction guarantee.