Techsmarter 20000mAh Portable Phone Charger Power Bank vs Techsmarter Waterproof Rugged Laptop Power Bank: which is safer?
Techsmarter 20000mAh Portable Phone Charger Power Bank is the clear pick. Techsmarter Waterproof Rugged Laptop Power Bank carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
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
Samsung
Techsmarter Waterproof Rugged Laptop Power Bank
PFAS grade
F 40/100
Overall grade
analysis pending
Verdict
pending
Hazard flags
none flagged
Material
Plastic body with unspecified waterproof coating
Confidence
45%
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