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Rectangular black 6-cell lithium-ion laptop battery pack

PowerWarehouse

PowerWarehouse W0Y6W laptop battery Dell XPS 15 L521x 11.1V 65Whr

SKU CH-K4FD-AMPS3

A 6-cell lithium-ion replacement battery delivering 11.1 volts and 65 watt-hours for the Dell XPS 15 L521x

  • Battery Type6 Cell Lithium-Ion
  • Direct replacement for Dell XPS 15 L521x
  • Matches OEM parts W0Y6W, 3NPC0, 9F233
  • 1V 65Whr capacity powers extended sessions
  • Six-cell lithium-ion design delivers reliable runtime
  • New condition ensures full performance from day one

Compatible Dell XPS 15 L521x Battery

This replacement battery fits Dell XPS 15 L521x notebooks. It matches OEM part numbers W0Y6W, 3NPC0 and 9F233. The pack uses six lithium-ion cells rated at 11.1 volts and 65 watt-hours. It arrives new and ready to install.

Who this suits and who should look elsewhere

Owners of a Dell XPS 15 L521x needing a direct-fit replacement will find the correct voltage and connector. Buyers with other Dell models or different XPS 15 chassis codes cannot use this pack. The six-cell form factor does not fit systems designed for nine-cell or three-cell batteries.

Deciding specification — 11.1V 65Whr six-cell pack

The 11.1 volt, 65 watt-hour rating determines both runtime and physical compatibility. A lower or higher voltage pack will not operate safely in the L521x. Confirm the watt-hour figure on your original battery before ordering.

Highlights

  • Direct replacement for Dell XPS 15 L521x
  • Matches OEM parts W0Y6W, 3NPC0, 9F233
  • 1V 65Whr capacity powers extended sessions
  • Six-cell lithium-ion design delivers reliable runtime
  • New condition ensures full performance from day one

Specifications

Battery Type6 Cell Lithium-Ion

Questions about this item

How long will the 65 Whr capacity last before it degrades under daily charging?

The 6-cell lithium-ion pack is rated at 65 Whr and 11.1 V; capacity fade depends on charge cycles, temperature and depth of discharge rather than a fixed time limit.

Does the battery run hot or make noise during all-day use?

The battery itself is a passive 6-cell lithium-ion unit with no fan or moving parts, so it generates only normal warmth during charge or discharge and produces no audible noise.

What must my Dell XPS 15 L521x already have for this W0Y6W pack to fit and work?

The laptop must use the original 11.1 V 6-cell bay that accepts OEM part numbers W0Y6W, 3NPC0 or 9F233; no additional hardware or cables are required.

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