iPhone Battery Health & Lifecycle Simulator

iPhone 13 128GB

Cell State of Health (SoH) Telemetry

Nominal: 3,227 mAh
Max Capacity 84% Normal Peak
Usable Capacity 2710.7mAh −516.3 mAh fade
Estimated Cycles 688cyc ~2.2 yrs usage
To 80% Service 5.4mo AppleCare threshold
Active SOT 6.2hrs Mixed balanced
Daily Drain Rate 7.1%/h Combined active
84%
Daily Charging Routine / Thermal Regimen Overnight 100%
Electrochemical Capacity Fade vs. Cycle Count (0–1200 Cycles) Hover / Scrub curve
Simulated Degradation Path
Apple 80% Service Threshold (~₱4,500 ASP)
Ideal Chem Baseline

Screen-On Time (SOT) by Daily Workload

Current Cell: 2,710.7 mAh

Select a primary workload profile to inspect real-world runtime under current internal resistance and usable milliampere-hour reserves:

Social & Text 💬
8.4h
Wi-Fi, Reddit, messaging, Safari 50% brightness
Balanced Daily 📱
6.2h
Mixed 4G/Wi-Fi, YouTube streaming, camera, Spotify
Streaming & GPS 🧭
4.9h
Waze navigation, 1080p Netflix, cellular data
3D Gaming 🎮
3.5h
Genshin, MLBB 60fps high thermal load

r/classifiedsph Listing Provenance Scorecard

Unit: Antipolo, Rizal

Auditing claims from u/Nyl2804 for iPhone 13 128GB at ₱16,000 Last Price:

Secondary Market Valuation & True TCO

Philippine Market
Antipolo Listing Base Price ₱16,000
Official Apple ASP Replacement (Beyond the Box / Power Mac) ₱4,500
Effective Value Retention Adjustment −₱0
True TCO with New 100% Battery ₱20,500
Fair Market Value (Recommended Buy)
At ₱16,000, this unit is priced ₱4,000 below market average for 90%+ battery iPhone 13 units (~₱20,000–₱21,500). Even factoring an immediate ₱4,500 authorized OEM battery swap, the true investment of ₱20,500 yields a fresh 3,227 mAh unit with factory water seal.
Current 84% Health runway: 5.4 months

Battery health, workload and scenario assumptions

Read the explanation

This tool is a scenario model, not a measurement of your phone. It begins with a nominal capacity of three thousand two hundred twenty seven milliamp hours and eighty four percent health. Multiplying capacity by point eight four gives two thousand seven hundred ten point seven usable milliamp hours, rounded as the source does. The filled fraction of this bar is exactly eighty four percent. Endurance also depends on the assumed workload current. The same usable capacity divided by four hundred thirty seven point two milliamps gives six point two hours of balanced use. Gaming uses seven hundred seventy four point five milliamps in the code, producing three point five hours. These are fixed illustrative averages, not measured app consumption. Changing the workload changes endurance without changing capacity. The service runway is another calibrated assumption. Four health percentage points above eighty produce five point four months under the overnight routine. The optimized routine divides this by point six two, giving eight point seven months. Fast charging divides by one point three five, giving four months. The health and current capacity remain the same when you switch routines. These forecasts express the source assumptions, not a promise about actual battery aging. The purchase audit simply adds the asking price and the replacement estimate. Sixteen thousand plus four thousand five hundred gives twenty thousand five hundred pesos. The code labels totals at or below twenty one thousand as fair value. Raising the asking price to seventeen thousand crosses that threshold. Export the actual scenario and verification checkboxes as JSON, and reset to the original fixture. Treat this financial label as a rule in the simulator, not current market advice.

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