Description

Specifications

11.1V 38Wh 3-Cell Li-Poly Battery for Dell Vostro 14-5459 Inspiron 15-7548 15-7548 (P/N: 4P8PH D2VF9 PXR51) – 33Wh
Voltage 11.1V,
Capacity 3000mAh/33Wh,
Number of Cells/type 3 (Li-Poly),
Colour Black,

Compatible Part Numbers

Dell

4P8PH
D2VF9
PXR51

Compatible Devices

Dell

Vostro 14-5459
Inspiron 15-7548 15-7548

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.