Mobik 63Wh Laptop Battery for Dell Latitude

Mobik 7FMXV is a direct-fit 63Wh (15.2V, 3941mAh) Li-ion replacement battery engineered to restore runtime for Dell Latitude 5320, 7320, 7420 and 7520 series laptops.

If your Latitude has declining battery life or unexpected shutdowns, this Mobik pack offers a plug-and-play alternative to OEM cells with safety certifications and a lineup of compatible part numbers. It arrives as a 4-cell, grade-A Li-ion unit, includes installation tools, and matches the electrical specifications required for the listed Dell models so you can quickly swap and return to work.

Will this battery physically and electrically fit my Latitude model?

Yes — the 7FMXV replacement is made to the same voltage and form factor used by the referenced Dell models. It carries the same rated output so your laptop’s power management can recognize and run from it without altering system behavior.

• Voltage: 15.2V matches Dell battery requirements.
• Capacity: 63Wh / 3941mAh for comparable runtime to original packs.
• Compatible part numbers: 7FMXV, 0TN2GY, TN2GY, 9JM71, 4M1JN, 1PP63, HDGJ8, MHR4G, 727CG, 0727CG, CN-0TN2GY.
• Designed for Dell Latitude 5320, 7320, 7420, 7520 series models.

How safe and durable is this replacement battery?

Mobik builds this battery with UL, CE, FCC and RoHS certifications and applies multiple protection features to guard against common electrical faults. The cells are grade-A Li-ion, chosen for longevity across many charge cycles while meeting standard safety tests.

• Protection against short circuit, overheating, and overcurrent events.
• Grade-A cells rated for up to ~500 recharge cycles under normal use.
• Compliance: UL / CE / FCC / RoHS documented for transit and operation safety.
• Pack includes screwdrivers for a correct, secure installation.

What should I do if the new battery is not immediately recognized?

Occasionally a fresh battery requires a simple reset routine to be accepted by the laptop firmware. Follow a few troubleshooting steps to ensure the connector is seated and the pack completes a conditioning cycle that helps the system calibrate capacity reporting.

• Reseat the battery and confirm the interface is fully engaged.
• If still not recognized, discharge to about 5% (avoid 0%), then recharge fully.
• Repeat 3–4 charge/discharge cycles to stabilize the battery’s state-of-charge reporting.

How do performance and support compare to the original battery?

Mobik's replacement aims to match OEM performance within the published voltage and capacity parameters, offering reliable runtime and certified protection. Mobik also provides customer support to help with installation and returns within seller policies.

• Electrical match to OEM specs for consistent runtime and compatibility.
• 24/7 email support for installation questions and warranty concerns.
• Follow seller return procedures if issues arise within the platform’s return window.

Who is this for: technicians, business travelers, IT departments or any Dell Latitude owner who needs to replace a worn-out battery with a certified, direct-replacement pack. It’s especially suitable for users who want OEM-level specifications, built-in safety protections, and a straightforward installation with included tools.