Description
Specifications
Dell Precision M3800 Mobile Workstation XPS 15 9530 Battery (P/N: 0H76MY 245RR 7D1WJ H76MV T0TRM Y758W)
Voltage 11.1V,
Capacity 4000mAh/44Wh,
Number of Cells/type 3 (Li-Poly),
Colour Black,
Compatible Part Numbers
- 0H76MY
- 245RR
- 7D1WJ
- H76MV
- T0TRM
- Y758W
Compatible Devices
- Precision M3800 Mobile Workstation
- XPS 15 9530
- XPS 9530
Tips to Extend Your Battery’s Lifespan
1. Keep it cool – heat is the biggest cause of battery wear, so avoid leaving your Dell laptop in direct sun, a hot car, or on soft surfaces that block the vents.
2. Avoid charging to 100% every time – Dell Power Manager’s battery-extender/primarily-AC-use setting can cap charging around 50-80%, which can meaningfully extend your battery’s usable lifespan.
3. Don’t let it run flat – regularly draining the battery to 0% wears it out much faster than topping up before it gets critically low.
4. Store at around 50% charge – if you won’t be using the laptop for a few weeks or more, store it half-charged in a cool, dry place rather than fully charged or fully empty.
5. Go easy on fast charging – rapid chargers generate extra heat, so standard charging (especially overnight or while idle) is gentler on the battery over time.










