Dell RJ40G Latitude Replacement Laptop Battery

A 63Wh replacement battery for compatible Dell laptops, designed to restore dependable runtime for work and everyday mobility. It uses a four-cell lithium-ion design with a 15.2V rating and is intended only for systems that match its electrical and physical specifications.

Specifications:

• Battery type: Lithium-ion (Li-ion)
• Cells: 4-cell
• Voltage: 15.2V
• Energy: 63Wh

Compatible and reference battery part numbers:

• RJ40G
• M033W
• 6RNMX
• 01K2CF
• 075X16

Compatible laptops:

• Dell Latitude 5420
• Dell Latitude 5520
• Dell Precision 3560

Important: The same laptop model may be available with different battery voltage and capacity options. Before ordering, match the RJ40G or corresponding part number, 15.2V rating, 63Wh capacity, physical shape, connector, and screw positions 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.