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Guides, explainers, comparisons, and informed commentary from Phone Gadgets.

Plain gray three-cable charger on a desk beside a closed laptop and a face-down phone

Charging & Power

100W USB-C Shared Power: What the Other Ports Still Hold

October 20, 2026

Conceptual magnetic power bank beside a phone, with separate stored-energy, delivered-energy and heat symbols.

Charging & Power

MagSafe Power Bank: Real Usable Capacity and Heat Loss

October 19, 2026

Conceptual phone and magnetic charging puck with alignment, certification and power-path symbols.

Charging & Power

Qi2 Wireless Charger: Magnetic Power Profile Guide

October 19, 2026

An open vehicle auxiliary power socket on a dark console beside an unbranded cylindrical car charger showing two oval USB-C ports and one rectangular USB-A port.

Charging & Power

USB-C Car Chargers for Laptops: Check Input Voltage and Shared Output

October 17, 2026

Example of an unbranded smartphone, USB-C cable and charger on a desk.

Charging & Power

USB-C Charger Ripple Reports: Which Measurements Can You Compare?

October 16, 2026

An unplugged white USB-C charger and a disconnected cable rest on a pale wooden desk.

Charging & Power

UL 94 V-0 Rating: What It Means for Charger Casings

October 15, 2026

A white charger sits in the lower socket of a wall outlet, and its USB-C port is empty.

Charging & Power

Phone Charger Standby Power: Read Measurements and Estimate Energy

October 14, 2026

A white plug in the lower socket of a wall outlet, with the cable seated in a dark power bank on a wood nightstand and a face-down phone beside it.

Charging & Power

Can You Charge a Pass-Through Power Bank Safely?

October 13, 2026

A blank two-prong plug adapter beside a larger unmarked metal box, with a small phone charger and a larger laptop charger set apart on the desk.

Charging & Power

Travel Adapter or Voltage Converter? Check Each Charger

October 12, 2026

Example of an unbranded white USB-C wall charger beside lined paper, a pen and a coiled USB-C cable on a wooden desk, with a closed laptop and a mug nearby.

Charging & Power

UL, CE and FCC Charger Marks: What Each One Proves

October 11, 2026

Example of a small white single-port USB-C charger and a larger charcoal multiport charger with visible USB-C and USB-A ports beside a disconnected USB-C cable.

Charging & Power

GaN vs Silicon Chargers: Efficiency, Heat and Potting

October 10, 2026

Example of a laptop, phone and earbud case connected to one generic multiport charger.

Charging & Power

Multiport Charger Power Sharing: Splits and Charging Pauses

October 9, 2026