Comparison · Chargers
BlitzWolf BW-S4 or USB charger (power supply) 5 V 3 A
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. 2.5); Ripple: BlitzWolf BW-S4 (200 mV vs. 700).
| Model |  BlitzWolf BW-S42017Read review → |  USB charger (power supply) 5 V 3 A2017Read review → |
|---|---|---|
| Test current, A | 10 | 2.5 |
| Ripple, mV | 200 | 700 |
| Review conclusion | Recommended | Not recommended |
Only in one review: Voltage 5 V (BlitzWolf BW-S4); Current 10 A (BlitzWolf BW-S4); Power 15 W (USB charger (power supply) 5 V 3 A); Under load 5.04 V (BlitzWolf BW-S4); Efficiency 89 % (BlitzWolf BW-S4); Protection 2.9 A (BlitzWolf BW-S4).
BlitzWolf BW-S4: It delivers the rated 10 A efficiently without overheating; the author liked it, though ripple is somewhat high.
USB charger (power supply) 5 V 3 A: The claimed 3 A is overly optimistic; the author recommends loading it to no more than 2 A.
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.
