Power & Electronics

Battery System

Dual Battery Setup

• Anker Nano Power Bank 20K (20,000 mAh) - 11.0 oz
• Nitecore NB10000 Gen 3 (10,000 mAh) - 5.3 oz
• Total Capacity: 30,000 mAh

Wall Charger (Towns Only)

• UGREEN Nexode 65W GaN Charger (3-port) - 4.5 oz

Advantage: Both batteries have built-in USB-C cables. Dual system provides redundancy and 30k mAh total capacity - sufficient for 5-day stretches with Ray-Ban Meta content creation.

5-Day Power Budget

Estimated Total Demand: ~24,000-26,000 mAh over 5 days
Available Capacity: 30,000 mAh

• 4 days: Comfortable margin (~6k mAh reserve)
• 5 days: Achievable with normal use (~4k mAh reserve)
• 6 days: Requires power discipline

Daily Charging Routine

Every Night (Non-Negotiable)

Charge iPhone to ~90-95%

Every Other Night

Charge Apple Watch Ultra to ~80-90%

As Needed

• Garmin: charge if below 35%
• Headlamp: charge if below 40%

Device Priority (Fail-Safe Order)

NEVER SACRIFICE

1. iPhone 17 Pro Max — Navigation, communication, documentation
2. Garmin inReach Mini 2 — Emergency communication

LIMIT IF NECESSARY

3. Apple Watch Ultra — Time, weather, backup navigation
4. Nitecore NU25 Headlamp — Night hiking, camp tasks

FIRST TO DROP

5. Ray-Ban Meta Glasses — Content creation only (non-essential)

Power-Save Mode

Trigger Power-Save Mode If:

• Extended cold rain
• No service for 24+ hours
• Battery bank drops below 35%

Actions:

• iPhone: Low Power Mode ON, brightness <40%, uploads delayed
• Apple Watch: Disable activity tracking
• Garmin Mini: Tracking interval → 30 minutes
• Ray-Ban Glasses: No video unless exceptional

Result: Gains approximately +1 extra trail day

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