25W Power Adapter 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.
Samsung
25W Power Adapter
PFAS grade
B 85/100
Overall grade
C 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Plastic housing, internal electronics
Confidence
72%
PossibleBrominated flame retardants in housing plastic
PossibleVolatile organic compounds (VOCs) off-gassing
Samsung
Techsmarter 20000mAh Portable Phone Charger Power Bank
PFAS grade
B 85/100
Overall grade
C 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
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