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Black rectangular lithium-ion laptop battery with model label

LXHY

LXHY B31N1637 42Wh laptop battery

SKU CH-2628-NV3D1 MPN B31N1637

42Wh lithium-ion replacement battery for ASUS VivoBook F510, X510 and S510 series, 11.52V, 3653mAh

  • ColorBlack
  • TypeBattery
  • Battery TypeLithium-Ion
  • Battery Voltage11.52V
  • Battery Capacity3653mAh
  • 42Wh capacity powers ASUS VivoBook 15 and S15 series
  • 52V 3653mAh lithium-polymer cell matches original voltage and capacity
  • Replaces B31N1637 C31N1637 and multiple OEM part numbers
  • Includes two screwdrivers and a triangular prying tool for installation
  • Lightweight 4.27oz design keeps the laptop portable

Replacement Battery for ASUS VivoBook F510

This 42Wh lithium-polymer unit replaces the original B31N1637 cell in compatible ASUS VivoBook F510, F510QA, F510U, F510UA, F510UF, F510UN, F510UQ, F510UR, X510, X510U, X510UF, X510UQ, X510UAR, S15, S510U, S510UA, S510UF, S510UN, S510UQ, S510UR and X510UA models. It delivers 11.52V and 3653mAh through three A-grade cells. The pack includes two screwdrivers, a triangular prying tool and a user manual for installation. Buyers needing a different voltage, capacity or form factor should look elsewhere.

Verify Your Exact Model

Match the B31N1637, C31N1637, B31BI2H or B31BI9H part number printed on your existing battery. Confirm your notebook appears in the supported lists such as F510UA-AH55, F510UA-AH51, X510UA-BQ437, X510UA-BQ438, X510UA-BQ439T, S510UA-BQ156T, S510UA-BQ265T or S510UA-BQ514T. The connector layout and screw positions must align with the original 3-cell design. This pack will not fit laptops that require a different cell count, voltage or physical dimensions.

Normal Operation Runs Cool

Lithium-polymer chemistry produces minimal heat during typical charging and discharging cycles. No moving parts means silent operation in daily use. The 42Wh capacity at 11.52V matches the factory power envelope so the laptop's existing thermal management handles the load without extra fan activity. Capacity will gradually decline over hundreds of cycles as with any rechargeable cell.

Highlights

  • 42Wh capacity powers ASUS VivoBook 15 and S15 series
  • 52V 3653mAh lithium-polymer cell matches original voltage and capacity
  • Replaces B31N1637 C31N1637 and multiple OEM part numbers
  • Includes two screwdrivers and a triangular prying tool for installation
  • Lightweight 4.27oz design keeps the laptop portable

Specifications

ModelB31N1637
ColorBlack
TypeBattery
Battery TypeLithium-Ion
Battery Voltage11.52V
Battery Capacity3653mAh

Questions about this item

What comes in the box with the B31N1637 battery and do I need any extra tools to fit it?

The package includes the 42Wh B31N1637 battery, two screwdrivers, a triangular plastic prying tool and a user manual, so no separate tools are required for installation.

There are several ASUS VivoBook series listed — how do I know the B31N1637 is the right one for my laptop?

Match your original battery part number against B31N1637, C31N1637, B31BI2H, B31BI9H or 0B200-02590000, 0B200-02590100, 0B200-02590200; the battery fits F510, X510, S510 and S15 series models that use those numbers.

What does the 42Wh rating actually mean for daily runtime on a VivoBook 15?

At 11.52V and 3653mAh the 42Wh pack stores the same energy as the original ASUS cell, so you can expect comparable run time per charge under identical workloads.

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