On-set iPhone charging solutions using available power sources

Gear

ZephyrCan I fly my Alexa or RED on a Zephyr?389

Master SeriesIs a used Master Series rig worth buying as a first big rig?191

BFDHow do I power my BFD receiver from my camera or sled?186

VoltCan I retrofit a Volt onto my existing sled or gimbal?168

ArtemisHow do I power my camera and accessories from an Artemis sled?166

MDRWhere can I mount my Preston MDR on my rig?143

ModulusIs there a Modulus option for HD wireless video?141

G-70Will my G-70 fit my vest, gimbal or sled?126

FI+ZCan I control iris and zoom wirelessly, not just focus?60

HU3Where can I get my HU3 repaired, refurbished or repainted?60

CineLiveHow do I pack and case my CineLive rig for transport?54

G-70XHow does the G-70X compare to Pro Titan, Xarm and other arms?46

Trinity 2Is Trinity 2 SUP 3.0 firmware safe to install or buggy?46

Ultra VestWhich vest should I choose for my body size, comfort and operator type?39

2010Batteries/Power forum

16 years old. Gear and prices may have changed since.

A custom charger can be built to supply iPhone power directly from P-Tap connections without requiring separate rechargeable batteries or AC mains
A 4-pin XLR to cigarette lighter socket adapter enables connection to standard on-set power distribution
Portable battery packs with built-in lithium batteries and USB outputs can charge iPhones multiple times before needing recharge
Solar-powered portable chargers with multiple device adapters provide an alternative for field use
Direct chargers tapping existing on-set power eliminate the need to carry and maintain additional batteries

Discussion is from 2010 and references older iPhone models and charging standards
No technical specifications provided for the custom P-Tap charger design
Effectiveness of solar charging solution depends on available sunlight conditions
Specific on-set safety considerations when drawing power from main power sources not discussed