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Oppo A3 5G

Oppo A3 5G

$230.19Mid-Range ($150-$300)5G

Oppo A3 5G Battery Highlights

Capacity

5100 mAh

Fast Charging

45W

Wireless Charging

Not supported

0→50% Time

30 min min

Charger in Box

45

Battery Overview

The Oppo A3 5G is powered by a 5100mAh Li-Polymer with 45W fast charging support, reaching 50% in just 30 min minutes. Charger in box: 45.

Full Battery & Charging Specifications

Battery & Charging

Capacity (mAh)5100
Battery TypeLi-Polymer
Wired Charging45
0→50% Time30 min
Full Charge Time65 min
Reverse WiredNo
Charger in Box45
Battery HealthBasic

Oppo A3 5G — In-Depth Analysis

The Oppo A3 5G houses a 5100mAh Li-Polymer cell — a generous capacity that should comfortably power through a full day of heavy usage including streaming, gaming, and social media, with some charge remaining at bedtime. Keep in mind that the 6.67" 120Hz display is a significant power consumer — so real-world endurance depends heavily on screen brightness and content type.

Wired charging tops out at 45W. This is a reasonable fast-charging speed that balances charge time with battery longevity. Specifically, 0-50% takes approximately 30 min minutes, with a full charge completing in around 65 min minutes.

The charging ecosystem extends beyond basic fill-ups: battery health management (Basic). The battery health features are particularly noteworthy — they help maintain long-term battery capacity by intelligently managing charge cycles, meaning the Oppo A3 5G should hold its charge capacity better over 2-3 years of ownership.

Note that a charger is not included in the box. To achieve the full 45W charging speed, you'll need a compatible USB-C PD adapter, typically costing $20-40 extra. Using a lower-wattage charger will work but charge significantly slower.

Pros & Cons

Pros

  • +Large 5100mAh battery
  • +45W fast charging
  • +Battery health management

Cons

  • No wireless charging
  • No charger in box

Who Is This For?

Heavy Users

5100mAh provides all-day endurance

Expert Tip

Pro tip: Enable battery saver mode when below 20% and reduce screen brightness to extend battery life significantly. Dark mode on OLED displays can also help.

Battery life is one of the most impactful daily-use specs. Compare the Oppo A3 5G's 5100mAh and 45W charging against alternatives in our comparison tool.

Compare Oppo A3 5G