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Black rectangular lithium polymer laptop battery with three cells

NShi

NShi 266J9 laptop battery 11.4V 51Wh 3-cell

SKU CH-WVVE-XANG2

A 11.4 V, 51 Wh lithium-polymer replacement battery with three cells and up to 500 recharge cycles for compatible Dell G3, G5 and Inspiron models

  • Battery typeLithium Polymer
  • Li-ion chemistry delivers reliable power for daily use
  • 4 V 51 Wh capacity matches original Dell specifications
  • 3-cell design keeps weight low without sacrificing runtime
  • Replaces part numbers 266J9 0415CG C9VNH 0PN1VN 0M4GWP for exact fit
  • CE and UL certified for safety and environmental compliance

Direct replacement for Dell G3 and G5

The NShi 266J9 lithium-polymer battery matches the original 11.4V 51Wh three-cell specification. It fits Dell G3 15 3500, 3590, 3790, G5 15 5500 and 5505 models plus listed Inspiron variants. Buyers who need the 68Wh four-cell MV07R version cannot use this pack.

Low heat and silent operation

The battery produces no audible noise and minimal warmth during typical office or media workloads. Power draw follows the laptop's own management, delivering up to 500 recharge cycles over its service life. CE and UL certifications confirm baseline electrical safety.

Ready to install with no extra software

The package contains only the battery itself; no drivers, calibration tools or mounting hardware are included. Compatibility is verified against part numbers 266J9, 0415CG, C9VNH, 0PN1VN and 0M4GWP. Systems that require a different connector or cell count will not recognise this unit.

How it compares

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

Price $36.99
Pricier than about 66% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLithium Polymer

Questions about this item

How do I install the 266J9 battery in my Dell G3 3500, and what step is often missed?

Power off the laptop, disconnect the AC adapter, remove the base screws, detach the old battery connector, fit the 3-cell 51Wh pack, reconnect the cable, replace the cover, then charge to 100% before first use to calibrate the fuel gauge.

What maintenance or replacement will the 266J9 battery need over its life?

The lithium-polymer pack is rated for up to 500 recharge cycles; after that capacity drops noticeably and a replacement battery will be required.

What limit appears first during sustained heavy use of the 266J9 battery?

The 51Wh capacity sets the runtime ceiling; under continuous load the pack will deplete faster than higher-capacity alternatives such as the 68Wh 4-cell option.

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