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BarberSupplyHub/Compare/Supreme Trimmer Vader ST3778 Cordless Liner 210 Min vs Wahl 5-Star Cordless Detailer Li #8171
TRIMMERS · COMPARISON · 2026

SUPREME TRIMMER VADER ST3778 CORDLESS LINER 210 MIN vs WAHL 5-STAR CORDLESS DETAILER LI #8171

Full side-by-side: scores, specs, pros & cons. Our pick: Wahl 5-Star Cordless Detailer Li #8171 at 9.1/10.

🏆
🏆 OVERALL WINNER
Wahl 5-Star Cordless Detailer Li #8171
9.1/10
Check Price on AmazonRead Full Review
Supreme Trimmer Vader ST3778 Cordless Liner 210 Min
Supreme Trimmer
Vader ST3778 Cordless Liner 210 Min
8.5/10Check price
Read full review →
Specs and the Amazon link on the review page
🏆 OVERALL WINNER
Wahl 5-Star Cordless Detailer Li #8171
Wahl
5-Star Cordless Detailer Li #8171
9.1/10Check price
Read full review →
Specs and the Amazon link on the review page
VS
⚖️ Side-by-Side Comparison
Supreme Trimmer
Vader ST3778 Cordless Liner 210 Min
🏆 OVERALL WINNER
Wahl
5-Star Cordless Detailer Li #8171
Score8.5/109.1/10
PriceCheck priceCheck price
Motor7000 RPMRotary
Battery210 min100 min
Cordless✓ Yes✓ Yes
Zero-Gap✓ Yes✓ Yes
Best forBarbers who travel between locations or work full 10-hour days without access to charging during their shift.Barbers whose work is detail — sharp outlines, temple tapers and beard design.
Verdict

Supreme Trimmer Vader has the longest battery in its class at 210 minutes. DLC T-blade maintains zero-gap precision. USB-C charging. 7000 RPM motor handles dense hairlines without slowing.

The Wahl 5-Star Cordless Detailer Li #8171 is a fine-line detail trimmer: an extra-wide zero-overlap T-blade, a 0.4mm cut, a rotary motor and a 100-minute battery — built for outlines, edges and beard design.

Read full review →
Specs and the Amazon link on the review page
Read full review →
Specs and the Amazon link on the review page
📊 SCORE BREAKDOWN
SUPREME TRIMMER VADER ST3778 CORDLESS LINER 210 MIN
Battery Life
9.5
Blade Sharpness
8.5
Charging
8.8
Value
7.8
OVERALL SCORE8.5/10
WAHL 5-STAR CORDLESS DETAILER LI #8171
Detail Precision
9.5
Battery Life
9.0
Ergonomics
9.2
Value
8.8
OVERALL SCORE9.1/10
✓ PROS & ✗ CONS
SUPREME TRIMMER VADER ST3778 CORDLESS LINER 210 MIN
  • ✓210-min battery record in class
  • ✓DLC T-blade zero-gap
  • ✓USB-C charging
  • ✓7000 RPM motor
  • ✗New brand, no long track record
  • ✗Heavier than slim trimmers
  • ✗Price point high for brand
WAHL 5-STAR CORDLESS DETAILER LI #8171
  • ✓Extra-wide zero-overlap T-blade cuts a crisp 0.4mm line
  • ✓Rotary motor holds constant speed for clean detail passes
  • ✓100-minute battery with 45-minute fast charge and charging stand
  • ✓Specialist for outlines, temple tapers and beard design
  • ✗A specialist detailer, not an all-purpose trimmer
  • ✗Premium price for a single-job tool
COMMONQUESTIONS
Which is better: Supreme Trimmer Vader ST3778 Cordless Liner 210 Min or Wahl 5-Star Cordless Detailer Li #8171?

The Wahl 5-Star Cordless Detailer Li #8171 scores higher at 9.1/10 vs 8.5/10. The Wahl 5-Star Cordless Detailer Li #8171 is a fine-line detail trimmer: an extra-wide zero-overlap T-blade, a 0.4mm cut, a rotary motor and a 100-minute battery — built for outli

Which has better battery life: Supreme Trimmer Vader ST3778 Cordless Liner 210 Min or Wahl 5-Star Cordless Detailer Li #8171?

The Supreme Trimmer Vader ST3778 Cordless Liner 210 Min has 210 min of battery life vs 100 min for the rival.

Is the Wahl 5-Star Cordless Detailer Li #8171 worth it over the Supreme Trimmer Vader ST3778 Cordless Liner 210 Min?

At 9.1/10 vs 8.5/10, the Wahl 5-Star Cordless Detailer Li #8171 leads on performance. Barbers whose work is detail — sharp outlines, temple tapers and beard design.

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