We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black rectangular lithium-ion laptop battery pack with label showing 10.8V 31WH

KingSener

KingSener NC2040HD laptop battery 10.8V 31WH

SKU CH-M2ZB-TMKPE MPN NC2040HD

10.8 V lithium-ion replacement battery delivering 31 Wh capacity for compatible laptops

  • Battery Voltage10.8V
  • Battery Capacity31WH/2900mAh
  • 8V lithium-ion chemistry delivers stable voltage for consistent laptop operation
  • 31Wh rated capacity provides extended runtime between charges
  • Replacement part numbers NC2040HD NC2040HD34 NC2040A22 ensure direct fit without modification
  • High-quality cells and PCB prevent false capacity claims matching design specifications
  • Brand-new condition with 1-year warranty guarantees reliable power from first use

Purpose & fit

The KingSener NC2040HD is a 10.8V 31WH lithium-ion replacement battery built for compatible laptops. It matches the original dimensions so installation requires no modification. The pack suits users who need a direct swap to restore mobility on supported devices. It is not intended for systems that require a different voltage or a higher watt-hour rating.

Sustained behaviour

The 2900mAh cells deliver stable capacity across repeated cycles when conditioned with two or three full charge and discharge passes. Continuous connection to an AC adapter while the battery is fitted can degrade long-term health. Storing the pack above 80% charge once a month during extended downtime preserves usable runtime.

Thermals noise power

Li-ion chemistry runs silently and generates minimal heat during normal discharge. The black housing contains no moving parts, so acoustic output is negligible. Power draw follows the host system demand without introducing additional thermal load. Avoid hot or humid environments to prevent cell stress and capacity loss.

Highlights

  • 8V lithium-ion chemistry delivers stable voltage for consistent laptop operation
  • 31Wh rated capacity provides extended runtime between charges
  • Replacement part numbers NC2040HD NC2040HD34 NC2040A22 ensure direct fit without modification
  • High-quality cells and PCB prevent false capacity claims matching design specifications
  • Brand-new condition with 1-year warranty guarantees reliable power from first use

Specifications

BrandKingSener
ModelNC2040HD
Part NumberNC2040 NC2040HD NC2040HD34 NC2040A22 NC2040A24 NC2040HD22 NC2040NO29
NC2040HD24 NC2040HD29 NC2040HD31 NC2040XD24 NC2040OL24 NSN # 6140-01-628-9637
Battery Voltage10.8V
Battery Capacity31WH/2900mAh

Questions about this item

How much heat does the 10.8V 31WH Li-ion pack generate during all-day use?

Li-ion cells of this capacity run cool under normal loads; keeping vents clear and avoiding hot environments prevents excess heat buildup.

What must my laptop already have for the NC2040HD to fit and charge?

Your laptop must use one of the listed part numbers such as NC2040HD, NC2040HD34 or NC2040A22 and accept a 10.8V 31WH pack.

Will the NC2040HD work alongside my original charger and docking station?

Yes, the battery charges from the standard 10.8V adapter and fits the same bay, so existing chargers and docks remain compatible.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.