Astrum Dell Latitude E5440/E5540 Battery ABT‑DLE5440
Brand: Astrum
SKU: ABT‑DLE5440
Manufacturer Part Number: ABT‑DLE5440
Product Overview
The Astrum ABT‑DLE5440 Replacement Battery is engineered for Dell Latitude E5440 and E5540 laptops, delivering dependable power and extended runtime.
Operating at 11.1V with a 4400mAh capacity, this external 6‑cell Li‑Ion battery ensures efficient energy storage, reduced memory effect, and consistent performance for business professionals, students, and mobile users.
With advanced safety protections and durable construction, it provides reliable daily use while supporting sustainable practices.
Key Features
4400mAh high‑capacity design for extended unplugged productivity
Optimized compatibility with Dell Latitude E5440 and E5540 laptops
Premium 6‑cell Li‑Ion design with no memory effect
Multi‑protection circuit prevents overcharging, overheating, and short circuits
Certified safe: CE and RoHS compliant
Easy external installation, no tools required
Backed by a 12‑month warranty
Technical Specifications
Feature Specification
Voltage 11.1V
Capacity 4400mAh
Chemistry Li‑Ion
Cells 6‑Cell
Compatible Part No 0K8HC, 1N9C0, 3K7J7, 451‑BBID, 451‑BBIE, 451‑BBIF, 7W6K0, 970V9, 9TJ2J, CXF66, F49WX, FT6D9, M7T5F, N5YH9, NVWGM, VJXMC, VVONF, WGCW6, ABT‑DLE5440
Safety Protections Overcharge, over‑discharge, overheat, short‑circuit
Warranty 12 months
Compatible Model Numbers
Dell Latitude Series:
Latitude E5440
Latitude E5540
Installation & Maintenance Tips
Power Off: Shut down the laptop and disconnect the AC adapter
Remove Old Battery: Unlock and slide out the old external battery
Insert New Battery: Align and secure the Astrum battery in place
Initial Charge: Fully charge before first use for optimal performance
Care Tips: Avoid extreme temperatures; perform full discharge cycles monthly
What’s in the Box
1 × Astrum 11.1V 4400mAh External Battery (ABT‑DLE5440)
1 × User Manual (with safety guidelines)