Astrum Lenovo T440 45N1145 Battery ABT‑LNT440
Brand: Astrum
SKU: ABT‑LNT440
Manufacturer Part Number: ABT‑LNT440
Product Overview
The Astrum 45N1145 Replacement Battery is engineered for Lenovo ThinkPad T440 laptops, delivering dependable power and extended runtime.
Operating at 11.1V with a 44Wh capacity, this battery ensures efficient energy storage, reduced memory effect, and consistent performance for professionals, students, and mobile users.
With advanced safety protections and durable construction, it provides reliable daily use while supporting sustainable practices.
Key Features
44Wh high‑capacity design for extended unplugged productivity
Optimized compatibility with Lenovo ThinkPad T440 series laptops
Premium Li‑Polymer cells with no memory effect
Multi‑protection circuit prevents overcharging, overheating, and short circuits
Certified safe: CE and RoHS compliant
Easy drop‑in installation, no tools required
Backed by a 12‑month warranty
Technical Specifications
Feature Specification
Voltage 11.1V
Capacity 44Wh
Chemistry Li‑Polymer
Compatible Part No 45N1145, ABT‑LNT440
Safety Protections Overcharge, overheat, short‑circuit
Warranty 12 months
Compatible Model Numbers
Lenovo ThinkPad T440 Series
Installation & Maintenance Tips
Power Off: Shut down the laptop and disconnect the AC adapter
Remove Old Battery: Unlock and slide out the old 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 44Wh Battery (ABT‑LNT440)
1 × User Manual (with safety guidelines)