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Rectangular black lithium-ion laptop battery pack

DELL

DELL 52Wh Laptop Battery for Inspiron 13 5390 5391 14 7490 7390 7391 2-in-1

SKU CH-M791-67M6V

A 52 Wh lithium-ion replacement battery delivering 7.6 V for select Dell Inspiron 13 and 14 models

  • Battery typeLithium-Ion
  • Compatible withCompatible with Dell Inspiron 13 5390 5391 14 7490 13 7390 2
  • 52Wh capacity extends runtime between charges
  • Lithium-Ion 4-cell design delivers reliable daily power
  • 6V output matches original Dell specification
  • Fits Inspiron 13 5390 5391 14 7490 13 7390 2-in-1 7391 2-in-1
  • CE and RoHS certified for safety and environmental compliance

Compatible Dell Inspiron Models

This 52Wh lithium-ion battery fits Dell Inspiron 13 5390, 5391, 14 7490, 13 7390 2-in-1 and 7391 2-in-1 laptops. It is built for owners of those specific models who need a direct replacement. Buyers with other Inspiron series, including non-2-in-1 7390 or 7391 units, cannot use this pack.

Thermal Behaviour and Power Draw

The 4-cell lithium-ion design operates at 7.6V and delivers 52Wh of capacity for typical daily workloads. Normal charging and discharging produce low heat output and silent operation. No active cooling is required and power draw matches the original factory specification.

Build Quality and Connector Fit

CE and RoHS certifications confirm compliance with safety and environmental standards. The pack uses premium-quality cells and matches the original form factor for a secure fit inside the battery bay. The connector aligns with the motherboard header on the listed models, enabling tool-free installation. Not suitable for laptops outside the named compatibility list.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $34.99
Pricier than about 62% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLithium-Ion
Compatibility
Compatible withCompatible with Dell Inspiron 13 5390 5391 14 7490 13 7390 2-in-1 7391 2-in-1

Questions about this item

How do I install the battery in an Inspiron 13 5390, and what step is often missed?

Remove the base cover screws, disconnect the old pack from the motherboard connector, fit the new 4-cell unit, reconnect the cable firmly, then replace the cover before powering on.

What maintenance or replacement will this 52Wh lithium-ion pack need later?

The pack is rated for one year; after that, expect reduced runtime and plan a replacement when charge no longer lasts through a typical work session.

What limit appears first during sustained use of this 7.6V battery?

Thermal throttling of the laptop itself will cap performance before the 52Wh cells reach their discharge limit under heavy load.

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