Xiaomi Redmi Note 9

Xiaomi Redmi Note 9
6.53″
1080 x 2340
(19.5:9 ratio)

3GB to 6GB RAM

64GB to 128GB

Quad
48MP+8MP+2MP+2MP
 Chipset
Mediatek Helio G85

5020 mAh
18.57 Wh

 ~106 h
 ~23 h
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Xiaomi Redmi Note 9 was released in 2020 and is powered by the Mediatek Helio G85 chipset manufactured on a 12 nm process technology. It comes with 3GB to 6GB of RAM and 64GB to 128GB of storage. The battery capacity is 5020 mAh and the phone is 8.9 mm thick.

Xiaomi Redmi Note 9 Battery life

Xiaomi Redmi Note 9 battery life can vary significantly, ranging from 10 hours and 43 minutes to 106 hours, depending on how the phone is used.

Time Between Charges for Xiaomi Redmi Note 9 Based on Usage Profiles:

1.  Active Standby: ~106 hours

That means 4 days and 10 hours of active standby. This profile prioritizes reliability, making it perfect for emergencies or extended trips. Keep in mind, standby time will significantly decrease with actual phone use. The active standby time of the Xiaomi Redmi Note 9 depends on using it wisely and avoiding battery-draining background apps.

2.  Light Usage Profile: ~48 hours

If you primarily use your phone for communication but have all the apps you need and use them whenever you need them, you can expect the Xiaomi Redmi Note 9 to last for approximately 48 hours. That means 2 days.

3.  Moderate Usage Profile: ~38 hours

If you enjoy using YouTube and social media but don't spend all your time on them, this profile is for you. In this scenario, you can expect the phone to last for approximately 38 hours. That means 1 day and 14 hours.

4.  Heavy Usage Profile: ~24 hours

If you have high communication needs and staying informed is crucial for you, you will likely use your phone heavily. In this scenario, you can expect a battery life of approximately 24 hours.

Within this category, there are three extreme subprofiles:

  • Continuous voice calls: ~23 hours.
  • Continuous video playback: ~14 hours and 37 minutes.
  • Continuous intense web activity: ~10 hours and 43 minutes.

It is important to note that these are just estimates, and actual battery life of the Xiaomi Redmi Note 9 may vary depending on individual usage patterns and specific conditions.

Factors such as battery age, screen brightness, network signal strength, and background app activity can also impact the battery life of your Xiaomi Redmi Note 9 phone.

Xiaomi Redmi Note 9 basic Specifications

General specifications
Release year 2020
Networks technology GSM / HSPA / LTE (2G+3G+4G)
Size (mm) 162.3 x 77.2 x 8.9 mm
Size (in) 6.39 x 3.04 x 0.35 in
Weight 199 g
Software Android 10, upgradable to Android 11, MIUI 12.5 E
Screen
Screen size 6.53 inches
Screen resolution 1080 x 2340 pixels (19.5:9 ratio)
Screen Type IPS LCD
Performance
Chipset Mediatek Helio G85
Architecture Octa-core (2×2.0 GHz Cortex-A75 + 6×1.8 GHz Cortex-A55)
GPU Mali-G52 MC2
Technology 12 nm process
Memory
Storage 64GB to 128GB
RAM 3GB to 6GB
Memory versions
  • 64GB storage, 3GB RAM
  • 64GB storage, 4GB RAM
  • 128GB storage, 4GB RAM
  • 128GB storage, 6GB RAM
Card microSDXC – Dedicated slot
Multimedia & Connectivity
Main Camera Quad (48MP + 8MP + 2MP + 2MP)
Front Camera Single (13 MP)
Radio FM radio, built-in antenna
NFC Yes (version dependent)
Positioning GPS, GLONASS, GALILEO, BDS
USB USB Type-C 2.0
Jack 3.5mm Yes
Battery
Battery Type Non-removable Li-Po
Battery Capacity 5020 mAh
Battery Energy 18.57 Wh
Phone Power density 25.23 mAh/g weight
564.04 mAh/mm thickness
Charging 18W wired
9W reverse wired
Battery Life Stand-by time: ~106 h
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