What is the best charging for Xiaomi Redmi Note 8: original and alternative options

Xiaomi Redmi Note 8

2019

what kind of charge

Redmi Note 8

Quick Charge 3.0

Xiaomi

In this article, we’ll take a look at all the nuances of charging the Redmi Note 8, from specifications to practical recommendations for choosing compatible adapters. You’ll learn why 18W is the best option, which cables are suitable for USB-C, and how to avoid common errors that shorten battery life. We’ll also analyze whether you can charge your smartphone with charges from the Redmi Note 9, POCO X3 or even iPhone – and what this will lead to.

Technical Charging Specifications of Xiaomi Redmi Note 8

Smartphone Xiaomi Redmi Note 8 is equipped with the original power adapter with the following parameters:

• 🔌 Type of connector: USB Type-C (reversible, supports fast charging)
• ⚡ Power: 18 Watt (9V/2A) - optimal value for Quick Charge 3.0
• 📦 Fast Charging Protocol: Quick Charge 3.0 (backward compatibility with the QC 2.0)
• 🔋 Battery capacity of the smartphone: 4000 mAh (full charge) ~1.5 hours to 2 hours)

It’s important to understand that the Redmi Note 8 supports Quick Charge 3.0, but not all adapters with this technology are equally effective.The original unit from Xiaomi is optimized for a specific model, so it provides stable voltage and protection against overheating. Using uncertified charging can lead to lower charging speeds or even damage to the battery.

The Redmi Note 8 also comes with a USB-C → USB-A cable (not USB-C → USB-C!) which means that an adapter will be required to connect to a laptop or power-bank if the device does not have a USB-A port.

⚠️ Warning: If you see the word "Fast Charging" on the screen while charging, it means that the Quick Charge protocol is used (5V/2A, and the process will take much longer.

Can I use charging from other Xiaomi models?

Many users are wondering whether charging from the Redmi Note 9, POCO X3 or Mi 10 will work for the Redmi Note 8? The answer depends on the power and fast charging protocol.

As you can see from the table, charging from the Redmi Note 9 or POCO X3 will do, but their high power (33 W) will not be used to the full – the Redmi Note 8 does not physically support charging above 18 W. However, this is not harmful to the battery: the smartphone will simply “take” as much energy as it needs.

But the Redmi Note 7’s 10W charge will be standard charging, which will significantly increase the full charge time (up to 3-4 hours).

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If you use a charger from another Xiaomi model, check its power on the case. The optimal option is 18 watts (9V/2A) or 30/33 watts (but the smartphone will still be limited to 18 watts).

Third-party charging: what to choose and what to pay attention to

If the original adapter is lost or broken, you can buy a third-party charger, but there are a few critical points here:

1. Quick Charge 3.0 support – without this, charging will go in standard mode (5V/2A).
2. Power of 18 watts or higher – there is no point in charging faster because the smartphone won’t charge faster.
3. Certification – Look for adapters labeled Qualcomm Quick Charge Certified.
4. USB-C cables should support data transfer and fast charging (not all cheap cables can do this).

Recommended brands of third-party charging:

• 🔋 Anker (models with QC 3.0, for example, PowerPort III Nano)
• 🔌 Baseus (GaN series with fast charging support)
• ⚡ Ugreen (adapters with 18-30 watts)
• 📱 Xiaomi Mi Charge (official accessories, but not included)

Avoid no-name charges without certification – they can:

• 🔥 Overheat and melt.
• 📉 Charge the battery unevenly, reducing its service life.
• ⚡ Give unstable voltage, which leads to malfunctions in the smartphone.

⚠️ Attention: Cheap cables USB-C Often have only 2 power contacts (out of 4 possible), making it impossible to charge fast. Check the cable for "Quick Charge" or "Power Delivery" labels".

Check Quick Charge 3.0 support on the package|Choose power of 18 watts or higher|Make sure you have a certification (Qualcomm, USB-IF)|Use a quality cable USB-C|Avoid suspiciously cheap adapters-->

Wireless charging: Does the Redmi Note 8 support?

Unfortunately, the Xiaomi Redmi Note 8 does not support wireless charging either at the hardware or software level.

• 📱 Lack of built-in coil for induction charging.
• 🔋 Body design (metal back panel interferes with energy transfer).
• 💰 Xiaomi’s desire to reduce the cost of the model (wireless charging adds) ~20–30$ cost).

If you really need wireless charging, you can consider overhead adapters (for example, from Nillkin or Yootech), but they have a number of drawbacks:

• ⚠️ Requires connection to the connector USB-C, That blocks it for other purposes.
• 🐢 The charging speed will be lower than that of wired (usually 5-7.5 W).
• 📦 Increase the thickness of the smartphone, which is inconvenient for covers.

The conclusion is that wireless charging for the Redmi Note 8 is not the best solution. Better to use a quality wired adapter with Quick Charge 3.0.

How to extend the battery life when charging

Even with the right adapter, the wrong charging habits can shorten the life of the Redmi Note 8 battery.

• 🔋 Avoid full discharge - optimal charge range: 20-80%. Constant discharges up to 0% accelerate battery degradation.
• ⚡ Do not leave on charging overnight – after 100% smartphone continues to recharge “microcurrents”, which increases wear and tear.
• 🌡️ Watch the temperature - charging at temperatures above 35°C or below 0°C damages the battery. Remove the case if the smartphone is warming.
• 📵 Turn off fast charging on a constant basis – if you’re not in a hurry, use the standard mode (5V/2(A) for gentle charging.

In the settings of Redmi Note 8, you can enable charging optimization:

1. Go to Settings → Battery and Performance.
2. Select Battery Settings → Charging Optimization.
3. Activate the option to limit charge to 80% (if available after the MIUI update).

It is also useful to calibrate the battery once every 2-3 months:

1. Discharge the smartphone before automatically shutting down.
2. Charge to 100% without interruptions (use original charging).
3. Repeat the cycle 2-3 times.

⚠️ Note: If the Redmi Note 8 battery is running out quickly (less than 4-5 hours of screen time), check its status in the Settings menu. → Battery → Battery condition: Replacement is recommended for a capacity below 80% of the original capacity.

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Using Quick Charge 3.0 (18W) charging and following charging rules (20-80%, without overheating) can extend the life of the Redmi Note 8 battery by 30-50% longer than the standard (3-4 years instead of 2).

Frequent charging problems and their solutions

Redmi Note 8 users sometimes face problems when charging, and consider the most common ways to fix them:

If none of these methods worked, the problem could be the power controller on the motherboard, which would require a diagnosis at a service center, and the cost of repairs is usually 1,500-3,000 rubles (depending on the damage).

It is also worth checking the status of the battery through the engineering menu:

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In Battery information, look at the health setting, and if it's different from "Good," it's time to change the battery.

FAQ: Answers to popular questions