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Before you believe a bad review about us

We would like to respond openly to every negative review about us. Many are posted anonymously, so we cannot reach those customers directly. This open letter is our reply, and we would be grateful if you took a moment to read it.

But here is what a one-star review will never tell you:

  • We import from 70+ official distributors. That is why you pay far less than local retail — and why delivery takes longer. We publish the date before you pay, never after.
  • You can pay only when your goods land in Johannesburg. Pay on Arrival, no full payment up front. Ask yourself what scammer offers that.
  • Nobody has ever lost money with us. You get the product, or you get a refund. There is no third option, and there never has been.
  • We are part of the ITwork group — ten years trading in Europe, nine stores, thousands of positive reviews.
  • Johannesburg and Cape Town stores open this year — real shelves, real stock, walk in and buy the same day.

We are not satisfied with our review scores, and we are not going to fix them by hiding anything. We are fixing them by being faster, clearer and easier to reach than any reason to complain.

Read the full letter — photos and video of real shipments, and a straight answer to every accusation.

Problem with an order right now? Write to [email protected], [email protected] or [email protected] — answered the same business day. The letter also lists our group and store owners' contacts.
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Extra Digital Advanced ASUS C21N1818-2 Laptop Battery 4150mAh 32Wh 7.7V Black

Extra Digital Advanced ASUS C21N1818-2 Laptop Battery 4150mAh 32Wh 7.7V Black
Extra Digital Advanced ASUS C21N1818-2 Laptop Battery 4150mAh 32Wh 7.7V Black
0 reviews • Write a review
R856
With a robust 4150mAh capacity and 32Wh energy rating, this Extra Digital Advanced battery keeps your ASUS VivoBook powered for extended work, study, or entertainment sessions. Engineered as a direct replacement for the original ASUS C21N1818-2, it matches the original specifications for a seamless ... Read More
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Stock Out Of Stock Code 3309597 Brand EXTRA DIGITAL Model NB432653 Warranty 2 Years

Shipping & Returns

Estimated delivery Wednesday, September 30
You will be kept updated through our detailed tracking system
Payment options
EFTPayFastBank CardSnapScanZapperGoogle PayApple PayMobicredMoreTymePay on Arrival

With a robust 4150mAh capacity and 32Wh energy rating, this Extra Digital Advanced battery keeps your ASUS VivoBook powered for extended work, study, or entertainment sessions. Engineered as a direct replacement for the original ASUS C21N1818-2, it matches the original specifications for a seamless swap.

Overview

This battery is specifically designed for select ASUS VivoBook models, including the 14-inch X412, F412, and R424, as well as the 15-inch X512, F512, and R524. Its 7.7V output and 2-cell lithium polymer construction deliver consistent power in a lightweight, durable package. The sleek black finish blends perfectly with your device.

What stands out

  • High-capacity 4150mAh for extended runtime
  • 2-cell Lithium Polymer design for efficiency
  • Multiple safety protections: overcharge, over-discharge, short circuit, and over-current
  • CE and RoHS certified for quality and environmental safety
  • Direct replacement for ASUS C21N1818-2 and compatible VivoBook series

Technical details

  • Battery Type: Lithium-ion (Li-ion)
  • Capacity: 4150 mAh
  • Energy Rating: 32 Wh
  • Voltage: 7.7 V
  • Number of Cells: 2
  • Cell Type: Lithium Polymer
  • Colour: Black
  • Operating Temperature: 0°C to 45°C
  • Storage Temperature: -20°C to 60°C
  • Compatibility: ASUS VivoBook 14 (X412, F412, R424) and 15 (X512, F512, R524)

Our verdict

This Extra Digital Advanced battery is a smart investment for anyone needing a reliable replacement. Its high capacity and robust safety features ensure long-lasting performance, making it a worthy companion for your ASUS VivoBook.

Specifications
AC (power) in
No
Audio formats supported
No
Audio output channels
No
Bluetooth
No
Bluetooth version
No
Brand
Extra Digital
Built-in microphone
No
Cables included
No
Card reader integrated
No
Category
Laptop Battery
Country of origin
China
DC-in jack
No
EAN
9990000432653
Export Control Classification Number (ECCN)
No
Manual
Yes
Model
NB432653
MPN
NB432653
Near Field Communication (NFC)
No
Number of speakers
0
On/off switch
No
Power consumption (standby)
No
Product colour
Black
Product type
Laptop Battery
RMS rated power
0
Type
Battery
Warranty period
12 month(s)
Wi-Fi
No
Price history over the last 6 months
Extra Digital Advanced ASUS C21N1818-2 Laptop Battery 4150mAh 32Wh 7.7V Black
Current
R856
Lowest
R835
Highest
R856
Change 24H
+R13   +2%
Week
+R21   +2%
Month
—   

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