AP16B4J Battery for Acer Switch Alpha 12 SA5-271 Series

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.

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.

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.