Acer Akku BTP-2J1, Aspire 2920, Extensa 3100

8 cubicles, 7800 mAh
Ratings
BrandMore from Acer
Delivered between 27.1.2026 and 16.2.2026
More than 10 pieces in stock at third-party supplier
Supplied by
free shipping

Product details

The BTP-2J1 battery is a powerful replacement battery specifically designed for various Acer laptop models, including the Aspire 2920 and Extensa 3100 series. With a capacity of 7800 mAh and a voltage of 11.1 volts, this lithium-ion battery provides a reliable power source for extended use. The battery is equipped with 8 cells, ensuring improved performance and a longer lifespan. It is an ideal solution for users looking for a cost-effective way to extend the runtime of their devices without compromising on quality. The battery is compatible with a wide range of Acer models, making it a versatile choice for various needs. Weighing only 291 grams and featuring compact dimensions, it is also easy to handle and install.

  • Compatible with a variety of Acer models, including Aspire and TravelMate series
  • High-quality lithium-ion technology for enhanced performance
  • 8 cells for extended battery life
  • Capacity of 7800 mAh for reliable power supply
  • Lightweight design with a weight of only 291 grams.

Key specifications

Compatible brand
Acer
Capacity
7800 mAh
Number of cells
8 cubicles
Item number
12977968

General information

Manufacturer
Acer
Category
Notebook batteries
Release date
24.3.2020

Notebook battery properties

Intended use
Spare battery
Compatible brand
Acer

Battery properties

Battery category
Device batteries
Battery
Rechargeable battery
Battery type
Li-ion
Battery size
Device specific
Number of cells
8 cubicles
Voltage
11.10 V
Capacity
7800 mAh

Sustainability

Manufacturer commitment
RE100, SBTi

Voluntary climate contribution

Manufacturer compensation
According to RE100, the manufacturer Acer fully compensates for its energy consumption, leading to a reduction in emissions.
CO₂-Emission
Climate contribution

Product dimensions

Length
203 mm
Height
21 mm
Width
50 mm
Weight
291 g

30-day right of return
No warranty

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Notebook batteries» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Acer
    Not enough data
  • 1.HP
    0.4 %
  • 2.Dell
    0.5 %
  • 3.Lenovo
    0.7 %
  • 4.GreenCell
    2.3 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Acer
    Not enough data
  • 1.GreenCell
    0 days
  • 2-Power
    Not enough data
  • AGI
    Not enough data
  • ASUS
    Not enough data

Return rate

How often is a product of this brand in the «Notebook batteries» category returned?

Source: Digitec Galaxus
  • Acer
    Not enough data
  • 1.2-Power
    3.8 %
  • 2.IPC
    4.6 %
  • 3.Dell
    5.3 %
  • 4.OEM
    5.8 %
Source: Digitec Galaxus