UltraCharge 3-in-1 Qi2 Foldable Magnetic Charger 25W vs Techsmarter 20000mAh Portable Phone Charger Power Bank: which is safer?

These two grade almost identically. Pick on price and preference; neither has a PFAS edge.

Belkin UltraCharge 3-in-1 Qi2 Foldable Magnetic Charger 25W

Belkin

UltraCharge 3-in-1 Qi2 Foldable Magnetic Charger 25W

PFAS grade

Excellent 85/100

Overall grade

Excellent 77/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Aluminum alloy, silicone, plastic, magnets

Confidence

72%

PossibleSilicone degradation under repeated stress

PossibleNeodymium magnet ingestion (secondary hazard)

Techsmarter 20000mAh Portable Phone Charger Power Bank

Samsung

Techsmarter 20000mAh Portable Phone Charger Power Bank

PFAS grade

Excellent 85/100

Overall grade

Excellent 77/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Lithium-ion battery, plastic housing, circuit board components

Confidence

72%

PossibleLithium-ion thermal runaway and fire risk

PossibleBattery leakage or electrolyte exposure if damaged

Where these two actually differ

  • We flag Silicone degradation under repeated stress and Neodymium magnet ingestion (secondary hazard) on the Belkin and not on the Samsung.
  • We flag Lithium-ion thermal runaway and fire risk and Battery leakage or electrolyte exposure if damaged on the Samsung and not on the Belkin.
  • The Belkin is Aluminum alloy, silicone, plastic, magnets where the Samsung is Lithium-ion battery, plastic housing, circuit board components, which is most of the difference in these two grades.
  • These two are level, close enough that price and fit should decide it rather than our grade.

Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More waterproof phone chargers & cables: see the full ranking