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Rectangular black 4-cell lithium-ion laptop battery with connector, 220 grams

No Sew

No Sew 7FMXV 63Wh 15.2V 3941mAh laptop battery

SKU CH-587B-S380A MPN 7FMXV

A 63Wh 4-cell lithium-ion replacement battery for Dell Latitude 5320, 7320, 7420 and 7520 series laptops, compatible with multiple original part numbers and supplied with a screwdriver kit

  • ColorBlack
  • TypeCharger
  • Compatibility7FMXV / 0TN2GY / TN2GY / 9JM71 / 4M1JN / 1PP63 / HDGJ8 / MHR
  • Battery Type96W
  • Battery Voltage20V
  • AC Adapter Voltage20V
  • 63Wh capacity delivers reliable runtime for daily work
  • 2V 3941mAh Li-ion design fits Latitude 5320 7320 7420 7520 series
  • Replaces multiple part numbers including 7FMXV and TN2GY
  • UL CE FCC RoHS certified with short-circuit and overheat protection
  • Includes screwdriver kit and manual for straightforward installation

Direct replacement for Latitude 5320 7320 7420 7520

This 63Wh 4-cell lithium-ion battery replaces the original 7FMXV pack in Dell Latitude 5320 7320 7420 and 7520 series laptops. It matches the 15.2V 3941mAh specification and fits the same internal connector. The unit weighs 220 grams and ships with a screwdriver kit and manual for owner installation.

Runs cool with built-in safeguards

Integrated protection circuits guard against short-circuit overheat and overload during charging and daily use. The pack is certified to UL CE FCC RoHS standards and uses Grade-A cells rated for up to 500 recharge cycles. Normal operation stays within the laptop's thermal design without added fan noise.

Upgrades from a depleted or swollen original

When the factory battery no longer holds charge or shows physical swelling this restores full mobile runtime. The jump is worth it if the laptop otherwise meets your needs and the original part number appears on the supported list. Allow 34 conditioning cycles after an initial discharge to five percent for optimal calibration.

Highlights

  • 63Wh capacity delivers reliable runtime for daily work
  • 2V 3941mAh Li-ion design fits Latitude 5320 7320 7420 7520 series
  • Replaces multiple part numbers including 7FMXV and TN2GY
  • UL CE FCC RoHS certified with short-circuit and overheat protection
  • Includes screwdriver kit and manual for straightforward installation

Specifications

Model7FMXV
Part Number7FMXV
ColorBlack
TypeCharger
Compatibility7FMXV / 0TN2GY / TN2GY / 9JM71 / 4M1JN / 1PP63 / HDGJ8 / MHR4G / 727CG / 0727CG /CN-0TN2GY / CN-0727CG
Battery Type96W
Battery Voltage20V
AC Adapter Voltage20V
Featureslithium_ion, Rechargeable, 15.2 volts, 3941 milliamp_hours, 63 watt_hours, 7FMXV / 0TN2GY / TN2GY / 9JM71 / 4M1JN / 1PP63 / HDGJ8 / MHR4G / 727CG / 0727CG /CN-0TN2GY / CN-0727CG, Laptop
Weight220 grams

Questions about this item

How do I install the 7FMXV battery in my Latitude 7420 and what step is often missed?

Open the case, disconnect the old pack, and connect the new 15.2V 63Wh battery. The step most people miss is fully seating the connector; if the laptop does not recognise it, reseat the connector and then run 34 full charge cycles after discharging to about 5%.

What maintenance will this 3941mAh Li-ion pack need later?

The cells are rated for roughly 500 recharge cycles. After that capacity will drop noticeably and the battery should be replaced; no other routine maintenance is required.

What limit appears first during sustained heavy use of this 63Wh battery?

The 63Wh capacity sets the runtime ceiling; under continuous load the pack will deplete before any thermal or cycle limit is reached.

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