• Daniel Chaparro

OPPO A15 ViserMark Battery Life

Updated: Mar 18

Battery Life Testing Report – March 2021


At the end of 2020, OPPO presented the A15, an entry-level device offering similar features to other devices in the same price range. A triple camera with limited resolution and a well-sized battery without a fast charge option stand out from this economic classic line.

Release Date December 2020

Product Features and Specification

  • Design: 3D curved design

  • Main Camera: 13 MP, f/2.2, (Wide), 1/3.1”, 1.12µm

2 MP, f/2.4, (macro)

2 MP f/2.4, (depth)

Video: 1080p@30fps

  • Selfie Camera: 5 MP, f2/4, (wide)

  • Battery: 4230 mAh

  • Display: 6.52"

  • Size: 164 x 75.4 x 7.9 mm

  • Weight: 175g

  • Memory: 32GB RAM: 2GB

  • Chipset: MediaTek MT6765 Helio P35 (12nm)

  • Android: Android 10, ColorOS 7.2

  • Software Version: CPH2185_11_A.16

Success Metrics


The OPPO A15 is a low tier device (less than 200 EURO), it is equipped with a humble chipset, the MediaTek MT6765. OPPO has powered the A15 with a 4230 mAh capacity battery, more than enough to serve its modest component

Testing Results

Through the ViserMark test protocol, the A15 battery autonomy is 52 hours obtaining a 240 ViserMark Battery Life and Performance Score. Compared with the low tier average ViserMark score of 221, A15 autonomy is higher.

Test Graphics


To conclude, the OPPO A15 performance is good given the battery capacity (4230mAh) and the modest components it uses, its score stands very close to other low tier devices with a similar battery capacity like the Wiko view 3 (265), Hisense H30 (241) or the Xiaomi Redmi 7(237).

ViserMark tests are performed with the strictest protocol in a controlled environment to ensure repetition and consistency powered and automated by SmartViser’s test automation solution viSer. The automation test includes a variety of user actions from calls to social media and periods of standby times.

VCX (Valued Camera eXperience)

The VCX Forum has been working with its members on the system and infrastructure as a non-profit organisation. We strive to improve our technology to develop and exchange accurate and objective quality and performance indicators that are our ultimate goal. We will also serve as a compass for the smart-phone camera industry. We appreciate your interest in VCX-Forum.


Camera Rating Details

See More Reviews


OPPO is part of and owned by, BBK Electronics, a major Chinese consumer electronics firm. Launched by CEO Cheng Mingyong in 2004, OPPO became China's largest smartphone manufacturer in a mere 12 years. By 2016, the brand could be found everywhere, with OPPO phones being sold in over 200,000 retail outlets across the nation.

Latest Reviews

If you're looking for the best smartphone on the market, battery performance is one of the key decisive aspects then ViserMark is for you.

Not only is ViserMark the first label that measures battery performance, translating mAh into direct battery life scores, but it is also a highly valuable marketing asset to device manufacturers and end-users. ViserMark is a benchmark to help make better-informed choices when buying a Smartphone. 

If you are a smartphone manufacturer and looking to improve your devices battery life and performance get in touch now to discuss how we can help.

Recent Posts

See All