AP12A3i AP12A4i Battery for Acer Aspire Timeline Ultra M3 M5 Series — 11.1V 54Wh

The AP12A3i (AP12A4i) is a high-capacity 11.1V 54Wh (4850mAh) 6-cell Li-ion replacement battery for the Acer Aspire Timeline Ultra M3 (M3-481, M3-581) and Aspire Timeline Ultra M5 (M5-481, M5-581) series. It replaces original part numbers AP12A3i, AP12A4i and 3ICP7/67/90. Built with Grade-A cells and an integrated BMS, it ensures stable voltage delivery and protection against overcharge, restoring original all-day mobility for your ultrabook. Backed by a 1-year warranty.

Product Specifications

Battery Model	AP12A3i / AP12A4i / 3ICP7/67/90
Capacity	4850mAh / 54Wh
Voltage	11.1V
Battery Type	Li-ion, 6-cell
Color	Black
Condition	100% Brand New Replacement
Warranty	1-Year Warranty

Replace Part Numbers

• AP12A3i
• AP12A4i
• 3ICP7/67/90

Compatible Laptop Models

• Acer Aspire M3-481
• Acer Aspire M3-481TG
• Acer Aspire M3-581TG
• Acer Aspire M5-481T
• Acer Aspire M5-481TG
• Acer Aspire M5-581T
• Acer Aspire M5-581TG

FAQ

Q: Are AP12A3i and AP12A4i batteries interchangeable? A: Yes — the AP12A3i and AP12A4i are electrically identical and cross-compatible across all Acer Aspire M3 and M5 configurations listed above; the suffix simply denotes an OEM manufacturing variant. Q: How can I improve the lifespan of my new Acer ultrabook battery? A: Avoid keeping the laptop constantly plugged in at 100% charge; we recommend running a full calibration cycle (100% to 5%) once a month and using balanced power profiles in Windows to preserve cell health.