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Black rectangular 9-cell lithium-ion laptop battery pack

MSI

MSI BTY-L77 9-Cell 7500mAh 83Wh 11.1V Battery for GT72 GT80 WT72

SKU CH-NQHJ-06AYM

A 9-cell 7500mAh lithium-ion battery delivering 83Wh at 11.1V for compatible GT72, GT80 and WT72 laptops

  • Battery typeLithium-Ion
  • Compatible withGT72 GT72 2PE-022CN GT72 2QD-005XCN GT72 2QD-1019XCN GT72 2Q
  • High-capacity 7500mAh 83Wh extends runtime
  • 9-cell lithium-ion design delivers lasting power
  • Compatible with GT72 GT80 WT72 series laptops
  • Fits 11.1V or 10.8V systems perfectly
  • CE and RoHS certified for safety

Battery for MSI GT72 GT80 WT72

This 9-cell lithium-ion replacement battery delivers 7500mAh and 83Wh at 11.1V. It fits the MSI GT72, GT80 and WT72 series notebooks and matches the original BTY-L77 part specification.

Verify your laptop model and voltage before ordering

Check that your device appears in the supported model list such as GT72 2QD, GT72 6QE or GT72S 6QD variants. Confirm the original battery is rated for 11.1V or 10.8V operation to ensure correct electrical compatibility.

Thermals noise and power in normal use

Lithium-ion chemistry runs cool and silent during typical workloads with no moving parts to generate noise. The 83Wh capacity supports extended unplugged sessions while the CE and RoHS certified cells maintain stable voltage under load.

How it compares

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

Price $29.99
Typical for this category: the median of 27,790 items is $30.99.

Specifications

Product
Part numberBTY-L77 MS-1781 MS-1782 MS-1783 MS-1785
Power
Battery typeLithium-Ion

Questions about this item

What is included with the BTY-L77 battery and do I need to buy anything else?

The package contains the 9-cell lithium-ion battery rated at 7500mAh and 83Wh. No extra cables or adapters are required; it fits directly into the compatible MSI chassis.

Which version of the BTY-L77 should I choose for my GT72 6QD-839XCN?

The BTY-L77 carries part numbers MS-1781, MS-1782, MS-1783 and MS-1785 and is listed as compatible with the GT72 6QD-839XCN among other models.

What does the 83Wh rating mean for real-world runtime on a GT80?

The 83Wh capacity delivers a high-performance charge for the 11.1V system, extending usage time for work or entertainment compared to lower-capacity packs.

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