Juice Pack Battery Case for iPhone 15 vs Shield Phone Case for Samsung Galaxy S24 Plus: which is safer?

Mophie Juice Pack Battery Case for iPhone 15 is our pick: better on PFAS and on the overall hazard picture.

Our pick

Mophie

Juice Pack Battery Case for iPhone 15

PFAS grade

B 85/100

Overall grade

C 73/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Lithium-ion battery, plastic housing, metal contacts

Confidence

65%

PossibleLithium-ion battery thermal runaway risk

PossibleElectromagnetic field exposure

PossibleCounterfeit or degraded battery cell defects

Why this gradeBuy

Pelican

Shield Phone Case for Samsung Galaxy S24 Plus

PFAS grade

B 85/100

Overall grade

D 69/100

Verdict

Buy

Hazard flags

⚑ 4

Material

Polycarbonate shell, rubber grip

Confidence

72%

PossiblePolycarbonate thermal degradation and leaching

PossibleRubber grip degradation and allergens

PossibleMicroplastic shedding from wear

Why this gradeBuy

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 smartphone cases: see the full ranking