ZTHY 7FMXV 63Wh Laptop Battery for Dell Latitude

The ZTHY 7FMXV 63Wh replacement battery restores portable power to compatible Dell Latitude 13/14 models, delivering a 15.2V, 4-cell Li-ion pack rated at 3941mAh for full-day productivity.

If your Dell Latitude laptop shows short runtime or suddenly powers off, this ZTHY battery is built to fit specified Latitude 5320/7320/7420/7520 lines and their 2-in-1 variants. It replaces OEM part numbers such as 7FMXV, TN2GY, and 9JM71 and ships with basic installation guidance plus 12 months of after-sales support. Designed to meet safety and environmental standards, the pack offers a straightforward swap to extend the usable life of your existing laptop.

How do I know this battery fits my Dell laptop?

Check the replacement part number printed on your current battery and compare it against the list ZTHY provides. This pack matches multiple Dell part numbers and specific Latitude 13 and 14 series — it is not universal, so verifying your model and part code prevents installation errors.

• Compatible with Latitude 5320, 7320, 7420, 7520 and their 2-in-1 models
• Cross-references: 7FMXV, TN2GY, 9JM71, CN-0727CG and others
• Not compatible with Dell Latitude 7320 Detachable
• Confirm the OEM part number on your existing battery before ordering

What are the technical specs and performance expectations?

This ZTHY replacement is a 4-cell lithium-ion battery with a nominal voltage of 15.2V and a capacity of 63Wh (3941mAh). Expect run times similar to the original OEM pack when the system is in good condition; actual battery life varies with workload, screen brightness, and power settings.

• Battery type: Li-ion, 4-cell configuration
• Voltage: 15.2V, Capacity: 63Wh / 3941mAh
• Designed to match OEM electrical and mechanical specifications
• Operates with standard Dell charging and power management behavior

How should I install and initialize the new battery?

Installation is a direct swap for compatible models — power down, unplug, and remove the old battery following Dell’s hardware guidance. If the system doesn’t recognize the new pack immediately, reseat the connector and perform a few charge-discharge cycles to calibrate the battery controller.

• Power off and unplug before replacing the battery
• Ensure the battery interface is fully seated in the bay
• If unrecognized: discharge to 10–20%, then fully charge and repeat 3–4 cycles
• Contact ZTHY support if recognition or performance issues persist

What safety and support does ZTHY provide?

ZTHY batteries undergo safety checks and comply with environmental standards to reduce risk during normal use. The product comes with a 12-month after-sales warranty for quality-related problems and guidance from the support team if you encounter abnormal behavior.

• Meets required safety and environmental certifications
• 12-month limited support for manufacturing-related defects
• Helpful troubleshooting steps included in the product notes
• Prompt customer service to resolve fitment or performance queries

Who is this for: The ZTHY 7FMXV 63Wh battery is aimed at Dell Latitude owners who need a reliable, direct-fit replacement to restore original runtime — ideal for professionals, students, or technicians who want a cost-effective alternative to buying a new laptop. Before purchasing, confirm your laptop’s battery part number and model compatibility to ensure a smooth installation and consistent power performance.