Description
Specifications
11.1V 58Wh 6-cell battery for Dell Inspiron 14 (3421) 15 (3521) 15R (5521) 15 (3531) 15 (3537)
Voltage 11.1V,
Capacity 5200mAh/58Wh,
Number of Cells/type 6,
Colour Black,
Compatible Part Numbers
- 0MF69
- 24DRM
- 312-1387
- 312-1390
- 312-1392
- 312-1433
- 49VTP
- 4DMNG
- 4WY7C
- 68DTP
- 6HY59
- 6K73M
- 6KP1N
- 6XH00
- 8RT13
- 8TT5W
- 9K1VP
- DJ9W6
- FW1MN
- G019Y
- G35K4
- MK1R0
- MR90Y
- N121Y
- PVJ7J
- T1G4M
- V1YJ7
- V8VNT
- VR7HM
- W6XNM
- X29KD
- XRDW2
- YGMTN
Compatible Devices
- Inspiron 14 (3421)
- Inspiron 15 (3521)
- Inspiron 14R (5421)
- Inspiron 15R (5521)
- Inspiron 15 (3531)
- Inspiron 15 (3537)
- Inspiron 17 (3721)
- Inspiron 3421
- Inspiron 3521
- Inspiron 5421
- Inspiron 5521
- Inspiron 3531
- Inspiron 3537
- Inspiron 3721
- Inspiron 5721
- Vostro 2421
- Vostro 2521
- Inspiron 3737
- Inspiron 15-3737
- Inspiron 15 (3737)
- Inspiron 15 3737
- Inspiron 17R 5721
- Inspiron 17R-5721
- Inspiron 17R (5721)
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.









