Description
Specifications
Voltage 7.4V,
Capacity 4500mAh/33Wh,
Number of Cells/type Li-Poly,
Colour Black,
Compatible Part Numbers
- 34GKR
- 451-BBFT
- F38HT
- T19VW
- PFXCR
- 3RNFD
- 909H5
- 451-BBFY
- 451-BBFS
- 0G95J5
- 451-BBFV
Compatible Devices
- Latitude E7440
- Latitude E7440 Touch
- Latitude 7000 series
- Latitude E7450
- Latitude 14 7000 Series
- Latitude E7450 Touch
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.
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