Oppo K9
6.43″
1080 x 2400
(20:9 ratio)

8GB RAM

128GB to 256GB

Triple
64MP+8MP+2MP
 Chipset
Qualcomm SM7250-AC Snapdragon 768G 5G

4300 mAh
15.91 Wh

 ~98 h
 ~21 h
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Oppo K9 was released in 2021 and is powered by the Qualcomm SM7250-AC Snapdragon 768G 5G chipset manufactured on a 7 nm process technology. It comes with 8GB of RAM and 128GB to 256GB of storage. The battery capacity is 4300 mAh and the phone is 7.9 mm thick.

Oppo K9 Battery life

Oppo K9 battery life can vary significantly, ranging from 10 hours and 28 minutes to 98 hours, depending on how the phone is used. The following usage profiles are relevant:

1.  Active Standby: ~98 hours

4 days and 2 hours? Really? This profile prioritizes a phone that's always reliable, perfect for emergencies or extended trips. Keep in mind, standby time will take a significant hit when you actually use the phone. Active standby time of the Oppo K9 depends on using it wisely and avoiding battery-draining background apps.

2.  Light Usage Profile: ~44 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 Oppo K9 to last for approximately 44 hours. That means 1 day and 20 hours.

3.  Moderate Usage Profile: ~35 hours

If you're a fan of YouTube and social media but don't have all day for it, this profile is for you. In this scenario, you can expect the phone to last for approximately 35 hours. That means 1 day and 11 hours.

4.  Heavy Usage Profile: ~22 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 22 hours.

Within this category, there are three extreme subprofiles:

  • Continuous voice calls: ~21 hours.
  • Continuous video playback: ~14 hours and 17 minutes.
  • Continuous intense web activity: ~10 hours and 28 minutes.

It is important to note that these are just estimates, and actual battery life 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 battery life of Oppo K9 phone.

Basic specifications

General specifications
Release year 2021
Networks technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G (2G+3G+4G+5G)
Size (mm) 159.1 x 73.4 x 7.9 mm
Size (in) 6.26 x 2.89 x 0.31 in
Weight 172 g
Software Android 11, ColorOS 11.1
Screen
Screen size 6.43 inches
Screen resolution 1080 x 2400 pixels (20:9 ratio)
Screen Type Super AMOLED, 90Hz
Performance
Chipset Qualcomm SM7250-AC Snapdragon 768G 5G
Architecture Octa-core (1×2.8 GHz Kryo 475 Prime + 1×2.4 GHz Kryo 475 Gold + 6×1.8 GHz Kryo 475 Silver)
GPU Adreno 620
Technology 7 nm process
Memory
Storage 128GB to 256GB
RAM 8GB
Memory versions
  • 128GB storage, 8GB RAM
  • 256GB storage, 8GB RAM
Card No
Multimedia & Connectivity
Main Camera Triple (64MP + 8MP + 2MP)
Front Camera Single (32 MP)
Radio No
NFC No
Positioning GPS, GLONASS, GALILEO, BDS, QZSS
USB USB Type-C 2.0, OTG
Jack 3.5mm Yes
Battery
Battery Type Non-removable Li-Po
Battery Capacity 4300 mAh
Battery Energy 15.91 Wh
Phone Power density 25 mAh/g weight
544.3 mAh/mm thickness
Charging 65W wired, 100% in 35 min (advertised)
Battery Life Stand-by time: ~98 h
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