Beisite
Beisite 3RNFD laptop battery 7.4 V 54Wh for Latitude E7440 E7450 E7420
Replacement lithium-ion battery rated 7.4 V and 54 Wh for Dell Latitude E7440, E7450 and E7420 models
- ColorBlack
- TypeBattery
- CompatibilityFor Latitude E7440 E7450 E7420 Series
- Battery TypeLithium-Ion
- Battery Voltage7.4 V
- Battery Capacity54Wh
- Reliable power for Latitude E7440 E7450 E7420 with 54Wh lithium-ion cell
- Direct replacement for part numbers 3RNFD 34GKR PFXCR V8XN3 and more
- 4 V output matches original specification for stable performance
- New battery backed by 12 month warranty for peace of mind
- Fits Latitude 14 7000 series models for straightforward installation
Replacement battery for Latitude E7440 E7450 E7420
This 7.4 V 54 Wh lithium-ion pack is built to fit the Latitude E7440, E7450 and E7420 series as well as the Latitude 14-7000 line. It replaces a long list of original part numbers including 3RNFD, 34GKR, PFXCR and V8XN3. The unit ships new in black and carries a twelve-month warranty from the supplier.
Single battery in the package
The box contains only the battery itself; no tools, screws, installation guide or software are included. Buyers must reuse any mounting hardware from the original pack and follow the laptop manufacturer's own replacement instructions. There is no bundled diagnostic utility or firmware update.
Limited to listed Dell Latitude models
The pack is electrically rated at 7.4 V and 54 Wh, so it cannot be used in systems that require a different voltage or a higher capacity cell arrangement. It will not fit laptops outside the E7440, E7450, E7420 and 14-7000 families, nor will it work with ultrabook chassis that use a thinner or differently keyed battery form factor.
Highlights
- Reliable power for Latitude E7440 E7450 E7420 with 54Wh lithium-ion cell
- Direct replacement for part numbers 3RNFD 34GKR PFXCR V8XN3 and more
- 4 V output matches original specification for stable performance
- New battery backed by 12 month warranty for peace of mind
- Fits Latitude 14 7000 series models for straightforward installation
Specifications
| Brand | 3RNFD |
|---|---|
| Model | 3RNFD |
| Part Number | 3RNFD |
| Color | Black |
| Type | Battery |
| Compatibility | For Latitude E7440 E7450 E7420 Series |
| Battery Type | Lithium-Ion |
| Battery Voltage | 7.4 V |
| Battery Capacity | 54Wh |
Questions about this item
How often will the 54 Wh lithium-ion cell need replacement?
The 12-month warranty covers defects; typical lithium-ion cells degrade after several hundred full charge cycles, so plan a replacement when run-time no longer meets your needs
What limits continuous operation on a single charge?
The 54 Wh capacity at 7.4 V sets the energy ceiling; sustained heavy workloads will drain it faster than light use
Does the battery get hot or noisy during all-day use?
Lithium-ion packs run silently and produce only modest warmth; excessive heat suggests a faulty cell or poor ventilation in the Latitude chassis
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
Kensington Desk Mount Cable Anchor K64613WW accessory
- Black
- Provides a secure a…
Panasonic CF-VDR291U laptop cooling pad
- Optical Drive
- Buffer Size: 2 MB B…
eReplacements PB992A-ER laptop battery 14.4V
- Battery
- Lithium-Ion



