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Rectangular black lithium-ion battery pack with label showing 90Wh 15.52V 5800mAh

BFKK

BFKK C41N2109 90Wh 15.52V 5800mAh laptop battery

SKU CH-Y9ZX-6E7S9 MPN C41N2109

90 Wh, 15.52 V Li-ion replacement battery rated for 500 recharge cycles, compatible with multiple ASUS ROG Flow, Strix, Zephyrus and SCAR 16-inch and 18-inch models

  • 90 Wh capacity powers demanding ASUS ROG laptops through long sessions
  • 52 V 5800 mAh lithium-ion cells rated for up to 500 recharge cycles
  • Certified UL CE FCC RoHS with short-circuit overheat and overload protection
  • Direct replacement for C41N2109 across Flow X16 Strix G16 G18 SCAR 16 18 Zephyrus M16 G16
  • Includes screwdrivers for straightforward self-installation

Battery for ASUS ROG laptops

This 90 Wh lithium-ion unit replaces the C41N2109 cell used in several ASUS ROG Flow X16, Strix G16, Strix G18, Strix SCAR 16, Strix SCAR 18 and Zephyrus M16 models. It delivers 15.52 V and 5800 mAh from grade A cells rated for up to 500 recharge cycles. A screwdriver set is included for installation.

Suits owners of listed ASUS ROG notebooks

Buyers whose laptop uses a different part number or voltage should look elsewhere. The battery is built to match the original C41N2109, 0B200-04200000 and 4ICP5/51/139 specifications and carries UL, CE, FCC and RoHS certification. It is not a universal pack and will not fit devices outside the named series.

90 Wh capacity at 15.52 V

This single figure determines whether the part matches your machine. Verify that your current battery shows the same watt-hour rating and voltage before ordering. If the original label lists a different capacity or voltage, this replacement will not be compatible.

Highlights

  • 90 Wh capacity powers demanding ASUS ROG laptops through long sessions
  • 52 V 5800 mAh lithium-ion cells rated for up to 500 recharge cycles
  • Certified UL CE FCC RoHS with short-circuit overheat and overload protection
  • Direct replacement for C41N2109 across Flow X16 Strix G16 G18 SCAR 16 18 Zephyrus M16 G16
  • Includes screwdrivers for straightforward self-installation

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the C41N2109 battery in my ASUS ROG laptop and what step do people often miss?

Power off the laptop, remove the bottom case screws, disconnect the old battery connector, fit the new 15.52V 90Wh pack, reconnect the interface firmly, then discharge to 5% and charge for 3–4 cycles to wake the cells.

What maintenance or replacement will the C41N2109 battery need over its life?

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

What limit appears first when the C41N2109 runs under sustained heavy load?

The built-in short-circuit, overheat and overload protections will throttle or cut output before the 5800mAh cells reach a thermal limit.

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