Description
Specifications
11.1V 6600mAh/73Wh 9-Cell Battery for Dell Latitude E5420 E5420m E5430 E5520 E5520m E5530 (P/N: 04NW9 05G67C 312-1163 312-1311 312-1324 451-11694 451-12048)
Voltage 11.1V,
Capacity 6600mAh/73Wh,
Number of Cells/type 9,
Colour Black,
Compatible Part Numbers
- 04NW9
- 05G67C
- 312-1163
- 312-1311
- 312-1324
- 451-11694
- 451-12048
- 8P3YX
- 911MD
- DHT0W
- HCJWT
- KJ321
- M5Y0X
- P8TC7
- P9TJ0
- PRRRF
- T54F3
- T54FJ
- YKF0M
- 8858X
- XV2VV
- NHXVW
- Y76FF
- 9KN44
- 71R31
- CRT6P
Compatible Devices
- Latitude E5420
- Latitude E5420 ATG
- Latitude E5420m
- Latitude E5430
- Latitude E5520
- Latitude E5520m
- Latitude E5530
- Latitude E6420
- Latitude E6430
- Latitude E6520
- Inspiron 17R SE 7720
- Latitude E6540
Note:
This 9-cell battery is not compatible with the following Dell laptops due to the fact that the battery will prevent the screen
to be opened fully: Inspiron 14R (5420), Inspiron 14R (7420), Inspiron 15R (5520), Inspiron 15R (7520), Inspiron 17R (5720)
- Inspiron 17R (7720)
- Vostro 3460
- Vostro 3560
- Precision M2800
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.









