ASUS VivoBook S 15 OLED K5504 battery capacity & backup time
Quick answer: The ASUS VivoBook S 15 OLED K5504 (2023) shipped with a 75 Wh battery (ASUS spec). Estimated for a new 75 Wh pack at about 60% brightness: 7 h 10 min of office work or 5 h 30 min of video calls; about 5 h 40 min of office work at 80% battery health.
Factory battery options for the ASUS VivoBook S 15 OLED K5504
| Option | Capacity |
|---|---|
| Factory battery | 75 Wh |
Note: 75 Wh 2S2P 4-cell Li-ion. Source: ASUS's own spec page on asus.com. Screen as researched: 15.6" 2.8K OLED.
Across the 6 ASUS VivoBook models in our database, the middle value for the largest factory pack is 42 Wh; the ASUS VivoBook S 15 OLED K5504's largest option (75 Wh) is above that.
Estimated backup time by workload
Estimates at about 60% brightness, on a new battery (100% health) and a typical used one (80% health). Same maths as our load-shedding backup calculator; your result depends on settings, apps and battery age.
| Workload | Typical draw | 75 Wh new / 80% |
|---|---|---|
| Browsing / office work | ~10 W | 7 h 10 min / 5 h 40 min |
| Coding / many tabs | ~12 W | 5 h 55 min / 4 h 45 min |
| Zoom / Teams video calls | ~13 W | 5 h 30 min / 4 h 25 min |
| Video editing / rendering | ~32 W | 2 h 15 min / 1 h 45 min |
| Gaming | ~45 W | 1 h 35 min / 1 h 15 min |
Planning for load-shedding? Open the calculator with the ASUS VivoBook S 15 OLED K5504 and the 75 Wh pack already chosen to add your router, a power bank, mini UPS or inverter.
Replacing the ASUS VivoBook S 15 OLED K5504 battery
- • Check health first: run
powercfg /batteryreportand compare full-charge capacity with design capacity, or use our battery health analyzer. - • Replace when full-charge capacity is near 60-70% of design (about 49 Wh on a 75 Wh pack) or the laptop shuts down early.
- • A swollen battery is a fire risk: stop charging it and bring it in. Do not press the case back down.
We do not publish a fixed battery price for the ASUS VivoBook S 15 OLED K5504; send the model and the part number on the old battery on WhatsApp for a quote.
See the laptop battery replacement cost guide and all laptop batteries in stock. Fitting at our Hafeez Center repair bench, 30-day warranty, pay cash at the shop, by bank transfer, JazzCash or Easypaisa.
ASUS VivoBook S 15 OLED K5504 battery FAQ
What battery capacity does the ASUS VivoBook S 15 OLED K5504 have?
ASUS's spec page lists 75 Wh for the ASUS VivoBook S 15 OLED K5504 (75 Wh 2S2P 4-cell Li-ion). The capacity of yours is printed on the battery label and shown as "design capacity" in a Windows battery report.
How many hours does the ASUS VivoBook S 15 OLED K5504 battery last?
Estimated for a new 75 Wh pack at about 60% brightness: 7 h 10 min of browsing or office work, 5 h 30 min of video calls and 1 h 35 min of gaming. These are estimates from typical power draw, not measurements.
Will a ASUS VivoBook S 15 OLED K5504 last through a 2-hour load-shedding?
On a used battery at 80% health with the 75 Wh pack, office work runs for about 5 h 40 min, so a 2-hour outage is covered for the laptop itself. Your Wi-Fi router still needs a mini UPS; the load-shedding calculator works out both.
When should I replace the ASUS VivoBook S 15 OLED K5504 battery?
Replace it when the full-charge capacity falls to about 60-70% of the design capacity (around 49 Wh on a 75 Wh pack), when the laptop shuts down at 20-40%, or straight away if the battery swells and lifts the keyboard or bottom cover. Run powercfg /batteryreport in Windows to see both numbers.
How much does the ASUS VivoBook S 15 OLED K5504 battery cost in Pakistan?
We do not publish a fixed battery price for the ASUS VivoBook S 15 OLED K5504; send the model and the part number on the old battery on WhatsApp for a quote. Every battery and fitting job carries our 30-day warranty. Pay cash at the shop, by bank transfer, JazzCash or Easypaisa.
Free battery & power tools
- Battery Health AnalyzerPaste your battery report — see wear, life left and replacement cost.
- Load-Shedding Backup CalculatorSee how long your laptop and Wi-Fi will last on battery or UPS.
- Laptop Charger FinderFind the right charger wattage and connector for your laptop.
- Laptop Repair DiagnosisDescribe the fault — get the likely cause and a rough repair cost.