Juice Pack Access Hardshell Battery Case for Apple iPhone 11 vs Juice Pack Battery Case for iPhone 15: which is safer?

Mophie Juice Pack Battery Case for iPhone 15 is the clear pick. Mophie Juice Pack Access Hardshell Battery Case for Apple iPhone 11 carries a failing PFAS grade, and we never recommend buying a failing product.

Mophie

Juice Pack Access Hardshell Battery Case for Apple iPhone 11

PFAS grade

F 50/100

Overall grade

F 24/100

Verdict

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Hazard flags

⚑ 3

Material

Hardshell plastic casing, internal battery

Confidence

35%

PossiblePlastic additives (flame retardants, plasticizers, water repellents) with unknown composit

LikelyLithium-ion battery thermal hazard and electrolyte leakage

PossibleMicroplastics from degradation during device lifetime

Why this grade

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

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