[Solved] iPhone 16 Pro Max Clean Energy Charging Pausing Battery at 80% Overnight (iOS 18.1) – Verified Troubleshooting

[Kyle Wood]

Diagnostic Hardware Specs: iPhone 16 Pro Max | OS Version: iOS 18.1 | Archive Source: Apple Support Community #256490035

I am running into a persistent issue on my iPhone 16 Pro Max running iOS 18.1.
Whenever the machine encounters Regional carbon forecast algorithm holding battery level, the following diagnostic log appears in Console:

PowerUI: [CleanEnergy] Scheduling charge hold based on regional grid emission forecast

I verified that hardware connections are intact and tested across different power sources. What is the verified diagnostic procedure to permanently eliminate this symptom?

MacBook Pro 14″ M4 (24GB) | DJI Mic 2 | Anker Prime 27,650mAh Bank | Bristol, UK

Digital Nomad & Travel Filmmaker | "Verified Apple Discussions Archive"

[Heather Scholz]

Apple Recommended / Verified Community Solution

This canonical solution was verified and marked as solved in the Apple Support Community archive.

Disabling Clean Energy Charging toggle or overriding charging hold directly from lock screen.

Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:

1. Navigate to Settings > Battery > Charging Optimization.
2. Toggle Clean Energy Charging to OFF.
3. For an immediate top-off, long press the lock screen notification and select Charge to 100% Now.

Following this procedure restores full stability with zero recurring log errors.

Mac Studio M2 Max (32GB) | EIZO ColorEdge CG279X | Wacom Intuos Pro | Oslo, NO

Apple Certified Support Professional (ACSP) | Commercial Photographer & Digitech

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