AC14B8K Battery for Acer Swift 3 Aspire Spin 5 — 48Wh 15.2V

Product Overview

The AC14B8K is an OEM-grade 48Wh / 3220mAh Li-ion replacement battery engineered for a wide range of Acer laptops, including the Acer Swift 3 SF314-52, the Acer Spin 5 SP513-51 convertible and popular Acer Aspire notebooks such as the CB3-111 / CB5-311, the ES1-131 / ES1-311 / ES1-511 / ES1-512 / ES1-520 / ES1-521 / ES1-531 / ES1-731 series and the E5-771 / E5-771G, V3-111 / V3-371 / V5-122, R3-131T / R5-431T / R5-471T lines. Precision-matched to the original factory specification at 15.2V, it restores the full all-day runtime, stable charging and dependable power delivery of your Acer notebook. Built with Grade-A high-density cells and an integrated BMS with overcharge, over-discharge and short-circuit protection. Ships 100% brand new, backed by a 1-year warranty.

Specifications

Attribute	Details
Standard Model	AC14B8K
Capacity	48Wh / 3220mAh
Voltage	15.2V
Battery Type	Li-ion Polymer
Cell	Grade-A, high quality guarantee
Condition	Replacement Battery (100% Brand New)
Warranty	1-Year Warranty

Replace Part Numbers

• AC14B8K
• 4ICP5/57/80

Compatible Models

• For Acer Aspire CB3-111
• For Acer Aspire CB5-311
• For Acer Aspire ES1-131
• For Acer Aspire ES1-311
• For Acer Aspire ES1-511
• For Acer Aspire ES1-512
• For Acer Aspire ES1-520
• For Acer Aspire ES1-521
• For Acer Aspire ES1-531
• For Acer Aspire ES1-731
• For Acer Aspire E5-771
• For Acer Aspire E5-771G
• For Acer Aspire V3-111
• For Acer Aspire V3-371
• For Acer Aspire V5-122
• For Acer Aspire R3-131T
• For Acer Aspire R5-431T
• For Acer Aspire R5-471T
• For Acer Swift 3 SF314-52
• For Acer Spin 5 SP513-51

FAQ

Which Acer laptops does the AC14B8K battery fit?

The AC14B8K battery fits the Acer Swift 3 SF314-52, the Acer Spin 5 SP513-51, and a wide range of Acer Aspire notebooks including the CB3-111 / CB5-311, the ES1-131 / ES1-311 / ES1-511 / ES1-512 / ES1-520 / ES1-521 / ES1-531 / ES1-731 series, and the E5-771 / E5-771G, V3-111 / V3-371 / V5-122, R3-131T / R5-431T / R5-471T models. Check the model code printed on the bottom cover of your laptop before ordering.

What is the capacity and voltage of the AC14B8K battery?

The battery delivers 48Wh / 3220mAh at 15.2V, matching the original Acer factory specification. Built with fresh Grade-A cells, it restores dependable battery life for everyday work, streaming and light productivity.

How can I confirm the AC14B8K battery matches my laptop before buying?

Turn off the laptop, remove the bottom cover and read the label on your original battery. If it lists AC14B8K or 4ICP5/57/80, this battery is a direct drop-in replacement. Also confirm the voltage printed on your old battery is 15.2V before ordering.

Is the AC14B8K battery brand new and covered by a warranty?

Yes — it is 100% brand new with Grade-A cells and built-in protection against overcharge, over-discharge and short circuit. Every unit is backed by a 1-year warranty and ships quickly from stock.