Astrum Battery for Lenovo 360, 430, 450, 550 – 11.1 V, 4400 mAh (Li-Ion)

SKU: ABT-LNG450 | Warranty: 12 months

Engineered to deliver extended runtime and precise OEM fit for a broad range of Lenovo IdeaPad and 3000 series notebooks.

Key Benefits
Extended power: 4400 mAh capacity at 11.1 V for hours of unplugged use
OEM-form factor: Perfect drop-in replacement for models 360, 430, 450, 550 and Lenovo 3000 series
Smart safety: Built-in protection against overcharge, over-discharge, and short circuits
Durable performance: Consistent capacity over hundreds of recharge cycles
Easy installation: Slide-in design for quick, tool-free replacement
Peace of mind: Covered by a 12-month manufacturer warranty

Technical Specifications
Specification Details
Battery Type Lithium-Ion (Li-Ion)
Voltage 11.1 V
Capacity 4400 mAh
Colour Black
Astrum SKU ABT-LNG450
Warranty 12 months
Protections Overcharge, Over-discharge, Short-circuit
Certifications CE, RoHS

Compatible Part Numbers
121000723
121000791
121000792
121000793
42T2722
42T4577
42T4579
42T4581
42T4583
42T4584
42T4585
42T4586
42T4721
42T4725
42T4726
42T4729
42T4730
51J0226
57Y6266
BAT-LEG430
L08L6C02
L08N6Y02
L08O6C02
L08S6Y02

Compatible Models
IdeaPad G430, G430 20003
Z360, Z360-091232U, Z360-091233U, Z360A-ITH, Z360A-PSI
Lenovo 3000 B460, B550
Lenovo 3000 G430 (4152, 4153, G430A, G430L, G430M)
Lenovo 3000 G450 (2949, G450A, G450M)
Lenovo 3000 G455
Lenovo 3000 G530 (4151, 444-23U, DC T3400, G530A, G530M)
Lenovo 3000 G550, G555
Lenovo 3000 N500 (4233-52U)

Installation & Care Tips
Power off the notebook and unplug the AC adapter.
Release the existing battery using the latch and remove it.
Align contacts and slide in the Astrum ABT-LNG450 until it clicks.
Fully charge before first use to calibrate the battery gauge.
Perform a full discharge/charge cycle monthly to maintain accuracy.
Store at room temperature with ~40 % charge if unused for extended periods.

What’s Included
1 × Astrum ABT-LNG450 11.1 V / 4400 mAh Battery
1 × Quick-Start Guide with Safety & Installation Instructions