Description
Product Overview
Genuine MSI BTY L77 83.5Wh replacement battery. Designed specifically for compatible MSI gaming and workstation laptops.
Specifications
- Battery Part Number: BTY-L77
- Capacity: 83.5Wh
- Voltage: 11.4V
- Chemistry: Lithium-Ion
- Condition: Brand new, original replacement
Compatibility Information
Compatible Part Numbers
- MSI-BTY-L77-83.5Wh
- BTY-L77
Compatible Models
- MSI GT72 2QDs
- MSI GT72S 6QFs
- MSI GT80 2QEs
- MSI WT72 2PE-022CN
- MSI WT72 2QD-1019XCN
- MSI WT72 2QD-292XCN
- MSI WT72 MS-1781
- MSI WT72 MS-1783
Note: This list represents commonly compatible models. Many additional part numbers and models are supported. If you’re unsure about compatibility, please leave your specific laptop model or current battery part number in the order notes, and we’ll verify before shipping.
When to Consider Battery Replacement
| Symptom | Description | Recommended Action |
|---|---|---|
| Short Runtime | Battery lasts less than 1 hour under normal use | Replace immediately |
| Swelling/Bulging | Battery case appears expanded or distorted | Replace urgently – safety risk |
| Charging Issues | Won’t charge fully or charges intermittently | Replace battery |
| System Warnings | “Consider replacing your battery” messages | Replace soon |
| Age | Battery over 2-3 years old with reduced performance | Consider replacement |
| Random Shutdowns | Laptop turns off unexpectedly when unplugged | Replace immediately |
Estimated Battery Life by Usage
| Usage Scenario | Estimated Runtime | Power Settings |
|---|---|---|
| Web Browsing/Office Work | 2-3 hours | Balanced mode, medium brightness |
| Video Streaming | 1.5-2.5 hours | Power saver, 50% brightness |
| Gaming | 45-90 minutes | High performance, max brightness |
| Idle/Standby | 4-6 hours | Power saver, minimum brightness |
| Video Editing | 1-1.5 hours | High performance, high brightness |
Important Note: These are conservative estimates for new batteries used with older hardware. Actual runtime may be shorter than when your laptop was new due to increased software demands and hardware aging.
Purchase Benefits
- One business day shipping
- 30-day money back guarantee
- 1-year warranty
- In stock, ready to ship
- Brand new genuine product
- Free shipping
Reviews
There are no reviews yet