Description
Specifications
GRT01 0P3TJ R05P0 Battery for Dell Latitude 5421 5431 5521 3561 Precision 3561 3571 3581 3470 (15.4V 3950mAh/61Wh 4-Cell Li-Poly)
Voltage 15.4V,
Capacity 3950mAh/61Wh
Number of Cells/type (Li-Polymer) 4
Colour Black,
Compatible Part Numbers
- GRT01
- 0P3TJ
- R05P0
Compatible Devices
- Latitude 5421
- Latitude 5431
- Latitude 5521
- Latitude 5531
- Latitude 3561
- Precision 3561
- Precision 3571
- Precision 3581
- Precision 3470
- Precision 3591
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.









