AP16B4J Laptop Battery for Acer Aspire Switch Alpha 12 SA5-271 SA5-271-5030 707Z 52YL 3981 EU Stock

Product Overview

The AP16B4J is a high-performance OEM-grade replacement battery with 37Wh capacity (4870mAh / 7.6V) for the Acer Aspire Switch Alpha 12 SA5-271 Series 2-in-1 convertible laptops. It directly replaces original part numbers AP16B4J and 2ICP4/78/104, restoring factory-level runtime and stable power for study, work and on-the-go use. Compatible with Acer Switch Alpha 12 models SA5-271-5030, SA5-271-707Z, SA5-271-52YL and SA5-271-3981. 100% brand new, rigorously tested and backed by a 1-year warranty. Shipped from our EU warehouse with fast local dispatch for quick delivery across Europe.

Specifications

Attribute	Details
Standard Model	AP16B4J
Capacity	4870mAh / 37Wh
Voltage	7.6V
Battery Type	Li-ion
Cell	Made in China, high quality guarantee
Color	Black
Condition	100% Brand New Replacement (1-Year Warranty)
Warranty	1-Year Warranty

Replace Part Numbers

• AP16B4J
• 2ICP4/78/104

Compatible Models

• Acer Aspire Switch Alpha 12 SA5-271 Series
• Acer Aspire Switch Alpha 12 SA5-271
• Acer Aspire Switch Alpha 12 SA5-271-5030
• Acer Aspire Switch Alpha 12 SA5-271-707Z
• Acer Aspire Switch Alpha 12 SA5-271-52YL
• Acer Aspire Switch Alpha 12 SA5-271-3981

FAQ

Which Acer laptops does the AP16B4J battery fit?

The AP16B4J fits the Acer Aspire Switch Alpha 12 SA5-271 Series 2-in-1 convertible, including models SA5-271-5030, SA5-271-707Z, SA5-271-52YL and SA5-271-3981. Please check the model code printed on your original battery label to confirm compatibility before ordering.

Is this AP16B4J battery 100% brand new and safe?

Yes — it is 100% brand new with premium Li-ion cells rated at 37Wh (4870mAh / 7.6V) and a built-in BMS protection circuit against overcharge, over-discharge and short circuit, delivering stable power for your convertible.

Do you ship to Europe and how fast is delivery?

Yes — this battery is held in EU stock and ships from our EU warehouse with fast local delivery, so you receive it quickly without long international shipping times.

What warranty is included with the AP16B4J battery?

A 1-year warranty is included with dedicated after-sales support. Installation is plug-and-play with a 1:1 factory fit — no drivers or modification required.