🔋 Astrum Battery for Dell Inspiron 14 / 15 / 17 Series, Latitude & Vostro – 11.1V 4400mAh (6‑Cell Li‑Ion)

SKU: ABT‑DL3521‑11 | Warranty: 12 months | Condition: Brand New

Power up your productivity with the Astrum ABT‑DL3521‑11 — a premium replacement battery designed for extended runtime, wide compatibility, and certified safety across Dell Inspiron, Latitude, and Vostro models. Ideal for users who demand reliability and performance.

🌟 Key Features
High Capacity: 4400mAh at 11.1V for longer unplugged sessions
Broad Compatibility: Supports over 30 Dell models across Inspiron, Latitude, and Vostro series
Certified Safe: CE and RoHS compliant with built‑in protections against overcharge, overheating, and short‑circuit
Durable Performance: Up to 500 recharge cycles with consistent power output
Easy Installation: Plug‑and‑play replacement with no tools required
12‑Month Warranty: Full coverage for peace of mind

📋 Technical Specifications
Feature Details
Battery Type Lithium‑Ion
Voltage 11.1V
Capacity 4400mAh
Cells 6‑Cell
Certifications CE, RoHS
Protections Overcharge, Overheat, Short‑circuit
SKU ABT‑DL3521‑11
Warranty 12 months

💻 Compatible Dell Laptop Models
Inspiron Series 14 (3437), 14‑3421, 14‑5421, 14‑N3421, 14‑N5421, 14R‑3421 15 (3537), 15‑3000, 15‑3543, 15‑3521, 15R‑5521, 15R‑5537, 15R‑N3521, 15R‑N5521, 15R‑N5537 17‑3721, 17R (5737), 17R‑N3721, 17R‑N3737, 17R‑N5721, 17R‑N5737 3421, 3437, N5521, N5537, N5721, N5737

Latitude Series 14‑3000, 15‑3000, 3440, 3540, E3440, E3540

Vostro Series 2421, 2521

🔑 Compatible Part Numbers
0MF69, 24DRM, 312‑1387, 312‑1390, 312‑1392, 312‑1433, 49VTP, 4DMNG, 4WY7C, 68DTP, 6HY59, 6K73M, 6KP1N, 6XH00, 8RT13, 8TT5W, 9K1VP, DJ9W6, FW1MN, ABT‑DL35211, G019Y, G35K4, MK1R0, MR90Y, N121Y, PVJ7J, T1G4M, V1YJ7, V8VNT, VR7HM, W6XNM, X29KD, XCMRD, XRDW2, YGMTN

🛠 Installation & Battery Care
Power Down: Turn off your laptop and unplug the charger
Replace Battery: Remove old battery and insert Astrum ABT‑DL3521‑11 securely
Initial Charge: Fully charge before first use to calibrate performance
Maintenance: Avoid extreme temperatures and perform full discharge cycles monthly

📦 What’s in the Box
1 × Astrum ABT‑DL3521‑11 Battery (11.1V 4400mAh)
1 × User Guide with Safety Instructions