Comparison · Chargers

QC 3.0 charger or BlitzWolf BW-S4

Two models side by side: measurements taken by the author in their reviews, and their conclusions. The better value in each row is highlighted.

In brief: Based on review measurements: Test current: BlitzWolf BW-S4 (10 A vs. 3.2).

Model	QC 3.0 charger2018Read review →	BlitzWolf BW-S42017Read review →
Test current, A	3.2	10
Under load, V	5.21	5.04
Ripple, mV	200	200
Review conclusion	With reservations	Recommended

Only in one review: Voltage 5 V (BlitzWolf BW-S4); Current 10 A (BlitzWolf BW-S4); Efficiency 89 % (BlitzWolf BW-S4); Protection 2.9 A (BlitzWolf BW-S4); Temperature rise 115 °C (QC 3.0 charger).

QC 3.0 charger: It delivers the rated current and regulates voltage well, but overheats and has high ripple at 5 V.

BlitzWolf BW-S4: It delivers the rated 10 A efficiently without overheating; the author liked it, though ripple is somewhat high.

Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.