What quick settings can extend laptop battery life?

Enable Battery Saver/Power Saver, reduce screen brightness, close unused apps/tabs, turn off Wi-Fi/Bluetooth when not needed, and avoid heat buildup by keeping vents clear.

MSI BTY-L77 GT72 2QD 2QE 2PE 6QE GT72S 6QF 6QD GT72VR 6RD GT80 2QE 2QD 2QC GT80S 6QE Dominator WT72 6QK 2OL MS-1781 MS-1783 2PE-022CN 2QD-1019XCN [11.1V / 73Wh] Laptop Battery Replacement

BTY-L77 Battery for MSI GT72 GT72S GT72VR WT72 GT80 GT80S Series MSI MS-1781 MS-1782 MS-1783 MS-1784 MS-1785 Series Laptop [11.1V] Compatible Battery

Q: Where can I find the battery part number?

Shut down the laptop, unplug power, remove the battery (if removable), and read the label printed on the battery itself. That part number is the best way to confirm compatibility.

Q: Are different battery voltages interchangeable?

No. You must match the voltage on your original battery. Note: 10.8V equals 11.1V, and 14.4V equals 14.8V.

Q: Can I use my laptop model number instead of the battery part number?

You can use a laptop model number to narrow it down, but the battery part number is more precise. One laptop model can support multiple battery types, so the printed battery part number is best.

$55.90 USD

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Minimum Qty	Discount
Buy 5 +	Price with 10% off: $50.31
Buy 10 +	Price with 20% off: $44.72

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Product variants

Product Info

Type Laptop Battery
SKU LMI205-db-001
Compatible Brand MSI
Capacity 6600mAh / 73Wh
Cell Type Conventional Li-ion
Shipping Free Shipping

COMPATIBLE LAPTOP MODELS

MSI GT72 Series

MSI GT72 2PC Series

MSI GT72 2PE Series:

2PE-022CN and more

MSI GT72 2QD Series:

2QD-005XCN | 2QD-1019XCN | 2QD-292XCN and more

MSI GT72 2QE Series:

2QE-209CN | 2QE-212CN | 2QE-1679CN | 2QE-1813CN and more

MSI GT72 6QD Series:

6QD-005XCN | 6QD-201XCN | 6QD-839XCN | 6QD-840XCN and more

MSI GT72 6QE Series:

6QE-209CN and more

MSI GT72S Series

MSI GT72S 6QD Series:

6QD-007CN | 6QD-841XCN and more

MSI GT72S 6QE Series:

6QE-007CN | 6QE-487CN and more

MSI GT72S 6QF Series:

6QF-018CN | 6QF-054CN | 6QF-064CN | 6QF-065CN and more

MSI GT72VR Series

MSI GT72VR 6QD Series

MSI GT72VR 6QE Series

MSI GT72VR 7RD Series

MSI GT72VR 7RE Series

MSI GT80 Series:

2QC-221CN | 2QD-042CN | 2QE-034CN | 2QE-035CN | 2QE-040CN and more

MSI GT80S Series:

6QE-050CN | 6QE-217CN | 6QE-218CN and more

MSI WT72 Series

MSI WT72 2OK Series

MSI WT72 2OL Series

MSI WT72 2OM Series

MSI WT72 6QI Series

MSI WT72 6QJ Series

MSI WT72 6QK Series:

6QK-419FR and more

MSI WT72 6QL Series:

6QL-400US and more

MSI WT72 6QM Series:

6QM-423US | 6QM-859TR and more

MSI WT72 6QN Series:

6QN-229UK | 6QN-218US and more

MSI MS-1781 Series

MSI MS-1782 Series

MSI MS-1783 Series

MSI MS-1784 Series

MSI MS-1785 Series

COMPATIBLE ORIGINAL PART NUMBERS

BTY-L77

REMARKS

Please confirm your laptop model and battery number before placing an order

Laptop Battery FAQs How To Find The Correct Battery?

How do I know if a laptop battery will fit my device?

The most reliable method is matching the part number printed on your original battery. Also confirm the voltage and compare the battery shape and connector position with the product photos and specifications.

Where can I find the battery part number?

Shut down the laptop, unplug the power adapter, remove the battery if it is removable, and read the label printed directly on the battery. This part number is the best way to confirm compatibility.

Are different battery voltages interchangeable?

No. You must match the voltage shown on your original battery. Note that 10.8V equals 11.1V, and 14.4V equals 14.8V, but other voltage differences are not compatible.

What should I compare before ordering a replacement battery online?

Compare the original battery’s part number and voltage first, then check the size and shape, connector type and location, latch position, and orientation against the product photos and specifications.

Can I use my laptop model number instead of the battery part number?

You can use the laptop model number to narrow down options, but the battery part number is more precise. A single laptop model can support multiple battery types, so matching the printed battery part number is best.

What quick settings can help extend laptop battery life?

Enable Battery Saver or Power Saver mode, reduce screen brightness, close unused apps and browser tabs, turn off Wi-Fi or Bluetooth when not needed, and avoid heat by keeping the laptop vents clear.

Choosing the correct replacement battery or adapter is critical for safety, performance, and compatibility. DrBattery.com carries over 120,000 compatible models and part numbers for major laptop brands. Follow these steps before placing your order:

1. Check Your Device Information

Look at your device’s owner’s manual or label on the bottom of your laptop. Both should show the brand and exact model number.
If you are buying an adapter, confirm the model number, input voltage, and current listed on your device label.

2. Verify the Original Battery Part Number

Always shut down your laptop before removing the original battery. On the battery label, you will find a part number. This part number is the most reliable way to ensure compatibility.

3. Recognize Common Part Number Formats

Major manufacturers use standard codes. Here are some examples:

HP / Compaq:
123456-001

Sony:
PCGA-BP12, VGP-BP1

Dell:
312-1234, 1234P

IBM / Lenovo:
02K1234, 08K1234

Toshiba:
PA1234U-1BRS

4. Compare the Physical Details

Check the size, connector type, latch position, and orientation of your original battery. Compare these details with the product photos on our website before ordering.

5. Watch Out for Voltage Differences

Some models have two different voltage options — for example, 11.1V vs. 14.8V. They are NOT interchangeable. Always confirm the voltage printed on your original battery.