Samsung Galaxy S21 5G Battery FAQs – Fast Charging, Wireless Charging, Battery mAh

  • Screen: 2400 x 1080 Pixels, 421 PPI
  • Chipset: Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
  • Battery: Li-Ion 4000 mAh, non-removable
  • Main Camera: 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF …
  • OS: Android 11, upgradable to Android 13, One UI 5
  • SIM Card: Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by)

Samsung Galaxy S21 5G Battery FAQs – Find various frequantly asked questions related to the phone’s battery such as – Does the Samsung Galaxy S21 5G support fast charging or wireless Charging. What other features does Samsung Galaxy S21 5G support, such as type-c port, reverse charging charging?

Are you concerned about this type of question? If so, I’m sure we can answer all your questions. Give a quick look at Samsung Galaxy S21 5G Specifications before moving on to Samsung Galaxy S21 5G FAQs and Specifications.

Here we have divided the Samsung Galaxy S21 5G FAQs into five different categories such as Design, Display, Performance, Camera, and Battery. Our goal is to answer as many queries as we can. Please leave a comment below if you have any query left unanswered.

A quick overview

Display Size 6.2 inches, 94.1 cm 2 (~87.2% screen-to-body ratio)
Operating System Android 11, upgradable to Android 13, One UI 5
Chipset Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
Processor Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China
Battery Li-Ion 4000 mAh, non-removable
RAM & Storage 128GB 8GB RAM, 256GB 8GB RAM
Rear Camera 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video

This smartphone was announced on 14 January 2021 and released on 29 January 2021.

Samsung Galaxy S21 5G

The Samsung Galaxy S21 5G smartphone is powered by the MediaTek MT6769Z Helio G85 (12nm), which is an Octa-core processor.

It comes with a 6.2 inches touchscreen display with a resolution of 1080x2340 pixels at a pixel density of 421 pixels per inch (ppi) and an aspect ratio of 20:9.

The phone is available in two variants: 8GB RAM + 128GB storage, and 8GB RAM + 256GB storage. Unfortunately, There is no microSD card slot on the Samsung Galaxy S21 5G, meaning you're stuck with the storage variant you buy.

Battery FAQ

Does Samsung Galaxy S21 5G support Fast charging or quick charging?

Yes, Samsung Galaxy S21 5G support Fast charging or quick charging.

How much time Samsung Galaxy S21 5G takes to charge completely ?

The estimated charging completion time for Samsung Galaxy S21 5G is 00 hrs, 50 minutes, Please note this charging value is just an assumsion. We have calcutated this value based on battery capaticy (mAh) and it charging speed (Watt) with an average 3.7V.

Is fast charging possible with Micro-USB ?

No, only devices with USB-C or Type-C can use Fast Charge. Devices with Micro-USB are not eligible for fast charging like as it is limited to 9 Watts of power.

Benfits of USB-C:

  • Data transfer up to 10 Gbps.
  • Used on smartphones and laptops.
  • Capable of up to 100 Watts of power.
  • Can be inserted with any orientation.

Does Samsung Galaxy S21 5G support wireless charging ?

Yes, Samsung Galaxy S21 5G supports wireless charging.

Don’t forget to check other Samsung Galaxy S21 5G FAQs.


Quick note: It is important to note that we cannot guarantee the accuracy of all answers. We recommend confirming with the retailer before purchasing.

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