Description
Specifications
K5XWW 6CYH6 725KY Battery for Dell Latitude 5289 12 inch 2-in-1 7390 13 inch 2-in-1 (11.1V 34Wh 3-Cell Li-Poly)
Voltage 11.1V,
Capacity 30000mAh/34Wh,
Cells 3(li-Poly),
Colour Black,
Compatible Part Numbers
- 71TG4. K5XWW
Compatible Devices
- Latitude 5289 12 inch 2-in-
- Latitude 7390 13 inch 2-in-1
- Latitude 7389 13 inch 2-in-1
- Latitude E5289
- Latitude L3180
- Latitude 12 5289 2 In 1
- Latitude 5289 2-in-1
- Latitude 7389 2-in-1
- Latitude 7390 2-in-1
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.









