Dell J1KND T7JN Replacement Laptop Battery

An extended-capacity replacement battery for compatible Dell laptops that use the J1KND and 4T7JN battery family. Its 7800mAh, nine-cell design helps provide longer runtime than standard batteries. Because of the extended housing, the battery may naturally protrude below or behind the laptop.

This version's specifications:

• Battery type: Lithium-ion (Li-ion)
• Cells: 9-cell
• Voltage: 11.1V
• Capacity: 7800mAh
• Approximate energy: 86.6Wh
• Design: Extended battery that may raise the laptop slightly when installed

Compatible and reference battery part numbers:

• J1KND, 4T7JN, 9T48V
• 04YRJH, 06P6PN, 07XFJJ, 0YXVK2
• 312-0233, 312-0234, 383CW, 451-11510

Key compatible laptops:

• Dell Inspiron 13R, 14R, 15R, and 17R versions that use the same battery shape
• Dell Inspiron N3010, N4010, N4050, and N4110
• Dell Inspiron N5010, N5030, N5040, N5050, and N5110
• Dell Inspiron N7010 and N7110
• Dell Inspiron M5010, M5030, and M5110
• Compatible Dell Inspiron 3420 and 3520 configurations

Important: The standard original J1KND battery is commonly offered with a lower capacity and a six-cell design, while this product is an extended nine-cell replacement. Confirm that there is enough clearance, then match the battery part number, voltage, physical shape, connector, and locking tabs with the original battery.

If you are unsure about compatibility, contact us and send the full laptop model or a clear photo of the old battery label. We will help you choose the correct battery.