This page contains affiliate links. As an Amazon Associate I earn from qualifying purchases at no extra cost to you.
| Cable ↕ | Type ↕ | Length ↕ | Resistance ↕ | Max Power ↕ | Speed ↕ | E-Marker | Stress Test ↕ | Verdict ↕ | Price ↕ | Additional Info | Links |
|---|
| Charger ↕ | Ports | Power ↕ | Peak Efficiency ↕ | Ripple (peak) ↕ | Port Reset | Stress Test ↕ | Verdict ↕ | Price ↕ | Nuances | Links |
|---|
| Powerbank ↕ | Ports | Rated ↕ | Efficiency & Capacity ↕ | Output Power ↕ | Ripple (peak) ↕ | Charging Input | Stress Test ↕ | Pass-through | Verdict ↕ | Price ↕ | Nuances | Links |
|---|
My Testing Equipment
Power-Z KM003C
Primary USB-C tester. Reads voltage, current, wattage, all fast-charge protocols and e-marker chip data in real time. PD 3.1 capable.
WITRN K2
Secondary USB-C tester used for cross-verification of protocol detection and ripple measurements alongside Power-Z.
FNB58 (PD 3.1)
USB-A tester with fast sampling for dynamic load testing, efficiency measurements and protocol verification across all power profiles.
Alientek C2
Additional USB-C tester used to cross-check voltage, current and power readings from the main testers.
FNIRSI C2
Inline USB-C tester for quick checks of voltage, current, power and the negotiated fast-charge protocol.
WITRN U3
WITRN USB tester used as an extra meter for current and voltage readings and for cross-verification of results.
WITRN C5
Fast-sampling inline USB-C tester for voltage and current measurements during charging tests.
UNI-T UTi721M Thermal Camera
Thermal imaging used during stress tests to measure surface temperatures of charger bodies, port clusters, wall plugs and cable connectors under sustained load.
Wireless QI Tester WPX-0001A
Dedicated wireless charging tester for measuring actual power delivered over Qi, verifying wattage claims on wireless chargers.
WITRN UL004 Load Module
External load module for controlled discharge tests on powerbanks. Used to measure real capacity and efficiency at defined current levels.
ET5410A+ Electronic DC Load
Programmable DC electronic load for sustained stress testing at precise wattage targets. Used for full-load endurance tests on chargers and powerbanks.
ATORCH DL24EW Electronic Load
Electronic DC load for controlled discharge and sustained load tests on chargers and powerbanks.
ZEEWEII DSO3D12 Oscilloscope
Oscilloscope used to capture output ripple and noise on charger outputs.
FNIRSI 1013D Oscilloscope
Second oscilloscope for ripple and noise captures and for checking waveforms.
Support WhatWatts
🎯
Patreon — Monthly Support
Join as a monthly supporter and get early access to test results before they're published. Every dollar goes directly to new hardware for testing.
Support on Patreon
☕
Ko-fi — One-time Tip
No subscription needed. Send a one-time tip of any amount to help fund the next round of tests.
Tip on Ko-fi
▶️
Subscribe on YouTube
Completely free — and the single most impactful thing you can do. Every subscriber helps the algorithm push the channel further.
Subscribe
🛒
Use Affiliate Links
Buy gear through the links in the database or Test Gear page. You pay the same price — I earn a small commission at no extra cost to you.
Browse the database →
Where does the money go?
Every device in this database was purchased at full retail price — no freebies, no sponsorships, no brand relationships. Test equipment, thermal cameras, electronic loads, and the devices themselves all come out of pocket. Your support funds the next batch of hardware and keeps every verdict 100% independent.
Payments processed via Patreon and Ko-fi.
Every device in this database was purchased at full retail price — no freebies, no sponsorships, no brand relationships. Test equipment, thermal cameras, electronic loads, and the devices themselves all come out of pocket. Your support funds the next batch of hardware and keeps every verdict 100% independent.
Payments processed via Patreon and Ko-fi.