Description
Specifications
11.1V 7800mAh/87Wh 9-Cell Battery for Dell XPS 14 15 17 L401X L501X L502X L701X L702X (P/N: 312-1123 312-1127 J70W7 453-10186 JWPHF)
Voltage 11.1V,
Capacity 7800mAh/87Wh,
Number of Cells/type 9,
Colour Black,
Compatible Part Numbers
- 312-1123
- 312-1127
- J70W7
- 453-10186
- JWPHF
- WHXY3
- R795X
- FP4TP
Compatible Devices
- XPS 14
- XPS 14 (L401X)
- XPS 15
- XPS 15 (L501X)
- XPS 17
- XPS 17 (L701X)
- XPS L401X
- XPS L501X
- XPS L502X
- XPS L701X
- XPS L702X
- XPS 15 L502X
- XPS 17 L702X
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.
