You should charge your OPPO phone frequently, aiming to keep the battery between 20% and 80%, avoiding deep drains below 20% and prolonged periods at 100% to extend its overall lifespan. Short, frequent top-ups are better than draining to zero and charging to full; don't stress over perfect habits, but avoid overnight charging to minimize battery stress and heat.
All phone manufacturers recommend keeping the charge between 20% and up to 80% or 90% as a maximum. However, there are no risks from overcharging the battery, because as we mentioned a little while ago, all batteries are designed to stop the charging process once it is fully charged to preserve its default life.
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The 80/20 charging rule is a guideline for lithium-ion batteries (phones, EVs, etc.) suggesting you keep the charge between 20% and 80% for daily use to extend battery longevity, avoiding deep discharges (below 20%) and prolonged full charges (above 80%) that stress the battery's electrodes, thereby slowing degradation and preserving maximum capacity longer, though modern devices have software to help manage this.
Here are some of the most common ones for poor battery health:
Take care of your battery
As the software behind OPPO's Battery Health Engine, Breathe Life enables the Reno8 Series to retain 90% capacity after two years and 80% capacity after four years of usage, the equivalent of 1600 charging cycles.
From my experience, OPPO phones can easily last 2.5–4 years with proper care — like avoiding overnight charging and keeping storage under control.
Some apps may continue to run in the background even when you're not using them, which can drain your battery. To manage background apps, go to Settings > App Management > Auto-Start Management and disable auto-start for apps that you don't need to run in the background.
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In the company's study, it found that TikTok drained 825% of a fully charged battery per month. That's almost half Netflix's 1,500%, but still makes it one of the most battery-draining apps you can have installed on your smartphone.
Don't worry, it's still safe to charge your device overnight since OPPO phones will automatically stop charging when it's fully charged. This will not damage the battery or reduce its lifespan. With Optimized night charging to ColorOS 11 and above, your device will intelligently learn your charging habits.
Ideally, you should charge your phone when its battery level drops to around 20-30% and unplug it once it reaches 80-90%. There's no specific number of times you should charge your phone in a day; it depends on your usage. Just avoid letting the battery drain completely and frequently charging it to 100%.
Store it half-charged when you store it long term.
Therefore, we recommend the following: Do not fully charge or fully discharge your device's battery — charge it to around 50%.
Disadvantages of Oppo phones often include heavy pre-installed bloatware and ads, slow Android/ColorOS updates, and sometimes poor value for money with weaker processors or plastic builds in budget models. Other issues can be camera over-smoothing or poor low-light detail, and inconsistent performance, though these vary by model, with some users citing good features like fast charging.
Both are impressive, but OPPO's real-time AI tools offer more language and productivity utility out of the box. Verdict: Apple wins in ecosystem polish, but OPPO delivers real-world utility that many users will appreciate—especially travelers and professionals.
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Common problems with Oppo phones include software glitches (notifications, app crashes, slow performance after updates), battery issues (rapid drain, overheating), camera problems (blurry photos, black screen, disappearing images), and charging/hardware faults (slow charging, loose ports, screen damage, unresponsive touchscreens). Many issues stem from heavy ColorOS usage, background apps, or insufficient storage, but hardware damage (like water exposure) also causes problems.
Keep Your Phone Cool: Extreme temperatures, both hot and cold, can negatively impact battery life. Avoid leaving your phone in direct sunlight or in very hot or cold environments.
The 20/80 battery rule suggests keeping lithium-ion batteries (in phones, EVs, etc.) charged between 20% and 80% for daily use to slow degradation and extend overall lifespan, avoiding the stress and heat from frequent full charges (100%) or deep discharges (near 0%). While not strictly necessary for short-term use, following this guideline minimizes battery strain, leading to better long-term health, though modern devices have built-in optimization features.
Heat permanently degrades battery health. Master Your Settings: Your screen is the biggest power drain. Lower your brightness, use Dark Mode (on OLED screens), and shorten your screen timeout. Manage Connections: 5G, Location Services (GPS), and Background App Refresh are major battery drains.
Optimizing battery health
While it is technically recommended to unplug your phone once the battery reaches 100% to help extend its lifespan, the actual benefit is quite minimal.
Keeping the phone plugged in continuously can lead to more frequent small charge cycles, which can reduce the overall lifespan of the battery. Disconnect your phone once it's fully charged to reduce the time it spends at 100%.