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Rectangular black laptop battery pack with label showing 11.25V 43.08Wh 3831mAh

Adafruit

Adafruit 2 in 1 Accessory 11.25V 43.08Wh 3831mAh Li-ion

SKU CH-8SVX-9JHK0

Replacement battery for select Acer Aspire, Swift, TravelMate and Extensa laptops, 11.25 V, 43.08 Wh, 3831 mAh Li-ion

  • Reliable power with 11.25 V 43.08 Wh Li-ion cell
  • Replaces AP19B8K AP19B5K 3INP5/82/70 part numbers directly
  • Fits Aspire 3 315-56 315-58 315-59 317-52 317-53 models
  • Certified UL CE FCC RoHS for safe operation
  • Low self-discharge design keeps charge during storage

Replacement Battery for Acer Laptops

This 11.25V lithium-ion pack delivers 43.08Wh and 3831mAh to restore mobility to compatible Acer Aspire, Swift, TravelMate and Extensa models. It replaces part numbers AP19B8K, AP19B5K and 3INP5/82/70. The unit is brand new and built with quality cells and a smart protection circuit.

Sustained Power Delivery

The battery maintains stable current output during extended work sessions thanks to its integrated smart chip and low self-discharge characteristics. Quality control testing verifies true capacity so runtime remains consistent across charge cycles. UL, CE, FCC and RoHS certifications confirm safe operation under continuous load.

Interface and Fit Constraints

This pack fits only the listed Acer chassis; it will not suit other brands or unlisted Acer series. Buyers who need a different voltage, capacity or form factor must select another part number. No charging cable or installation tools are included in the package.

How it compares

Measured against everything we stock in 2-in-1 Device Accessories, at today’s prices. Recalculated every night.

Price $50.99
Cheaper than about 59% of the 7,473 comparable items (median $56.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does the 11.25V 43.08Wh Li-ion battery run hot or draw extra power during all-day use?

The battery is built with a smart chip and high-quality circuit boards to deliver stable current and low self-discharge, keeping heat and power draw consistent.

What must I already own to install this AP19B8K / AP19B5K replacement battery?

You need a compatible Acer laptop such as an Aspire 3 A315-56, A315-57, A315-58, A315-59, A317-52 or A317-53, an Aspire 5 A514-53, a Swift 3 SF314-42 or SF314-57, a TravelMate P2 TMP214-51, TMP214-52 or TMP215-51, or an Extensa 15 EX215-54.

Will this 3831mAh pack work alongside the original charger and BIOS on my older Acer Aspire 3 A315-56?

Yes, it replaces part numbers AP19B8K, AP19B5K and 3INP5/82/70 and carries UL, CE, FCC and RoHS certification for safe operation with the existing charger and firmware.

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