Astrum Replacement Battery for Dell 5280 Series – 11.4V 4100mAh Li-Polymer
SKU: ABT-DL3DDDG | 12-Month Warranty | High Compatibility | Reliable Performance
Optimized Power for Dell Inspiron and Vostro Series – Extended Runtime and Durability
Keep your Dell Inspiron or Vostro laptop running smoothly with the Astrum 11.4V 4100mAh Replacement Battery, designed for seamless compatibility with Dell Inspiron 1520, 1521, 1721, and Vostro 1500, 1700 models. Featuring Li-Polymer technology, advanced safety protections, and eco-friendly design, this battery delivers ** reliable power** for everyday use.
🔥 Key Features
✔ High Compatibility – Supports Dell Inspiron 1520, 1521, 1721, Vostro 1500, 1700
✔ Li-Polymer Technology – Lightweight, efficient, and resistant to memory effect
✔ Multi-Protection Circuit – Safeguards against overcharging, overheating, and short circuits
✔ Easy Installation – Drop-in replacement; no tools required
✔ 12-Month Warranty – Reliable performance with hassle-free support
📊 Technical Specifications
Feature Specification
Voltage 11.4V
Capacity 4100mAh
Chemistry Li-Polymer
Compatible Part No W280, 0UW280, NR239, 312-0589, 451-10477, FK890, GK476, GK479, 312-0504, 312-0575, 312-0576, 312-0590, 312-0594, FP282
Safety Protections Overcharge, overheat, short-circuit protection
✅ Compatible Model Numbers
Dell Inspiron 1520
Dell Inspiron 1521
Dell Inspiron 1721
Dell Vostro 1500
Dell Vostro 1700
Note: Verify your laptop model and original battery part number before purchase.
🛠️ Installation & Maintenance Tips
Power Off – Shut down the laptop and disconnect the AC adapter.
Remove Old Battery – Slide the locking latch to release and remove the old battery.
Insert New Battery – Align and slide the Astrum battery into place until it clicks.
Initial Charge – Charge fully before first use for optimal performance.
Maximize Lifespan – Avoid extreme temperatures; perform full discharge cycles monthly.
📦 What’s Included
1 × Astrum 11.4V 4100mAh Battery (compatible with multiple Dell part numbers)
1 × User Manual (with safety guidelines)
"Stay powered and productive—backed by a 12-month warranty!"