Waterproof Phone Chargers & Cables, ranked by PFAS safety

15 products graded from Bad to Excellent, safest first. 11 grade Good or better and are worth buying.

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The best non-toxic waterproof phone chargers & cables, ranked safest first

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Bad · Better · Best waterproof phone chargers & cables

The quickest read, what to skip and the top-graded picks worth buying instead.

Avoid40Poor
Techsmarter Waterproof Rugged Laptop Power Bank

Samsung

Techsmarter Waterproof Rugged Laptop Power Bank

40/100 safety

Power bank waterproofing source unknown; avoid without confirmation.

Best pick85Excellent
Techsmarter 20000mAh Portable Phone Charger Power Bank

Samsung

Techsmarter 20000mAh Portable Phone Charger Power Bank

85/100 safety

Lower concern; power banks typically present minimal PFAS risk.

Worth buying Good or Excellent, safest first

Techsmarter 20000mAh Portable Phone Charger Power Bank

Samsung

Techsmarter 20000mAh Portable Phone Charger Power Bank

Lithium-ion battery, plastic housing, circuit board components

PFAS Grade85Excellent
Overall Grade77Excellent
⚠️

Lithium-ion thermal runaway and fire risk

Limited concern

70
⚠️

Battery leakage or electrolyte exposure if damaged

Limited concern

70

Lower concern; power banks typically present minimal PFAS risk.

Brand says nothing about PFAS

Samsung 25W Super Fast Charging Wall Charger

Samsung

25W Super Fast Charging Wall Charger

plastic housing, internal circuits, ceramic capacitors

PFAS Grade85Excellent
Overall Grade77Excellent
⚠️

Electrical/thermal safety (design integrity)

Limited concern

70
🏭

Manufacturing contamination or counterfeit units

Limited concern

70

Lower concern; standard charger with no PFAS exposure routes.

Brand says nothing about PFAS

Samsung Galaxy Magnetic Wireless Battery Pack

Samsung

Galaxy Magnetic Wireless Battery Pack

Lithium-ion battery, aluminum, stainless steel body

PFAS Grade85Excellent
Overall Grade71Good
⚠️

Lithium-ion thermal runaway (overcharge/physical damage)

Limited concern

70
⚠️

Internal electrolyte irritation (puncture hazard)

Moderate concern

45

Lower concern; battery pack materials unlikely to require PFAS treatment.

Brand says nothing about PFAS

Samsung 25W Power Adapter

Samsung

25W Power Adapter

Plastic housing, internal electronics

PFAS Grade85Excellent
Overall Grade77Excellent
🔥

Flame retardants

Limited concern

70
💨

Volatile organic compounds (VOCs) off-gassing

Limited concern

70

Lower concern; power adapters rarely use PFAS-containing materials.

Brand says nothing about PFAS

Belkin UltraCharge Pro 10K Power Bank

Belkin

UltraCharge Pro 10K Power Bank

lithium-ion battery, plastic housing, circuit board

PFAS Grade85Excellent
Overall Grade81Excellent
⚠️

Lithium-ion thermal runaway (overcharge/short circuit)

Limited concern

70

No PFAS risk signal; standard electronics component with lower concern.

Brand says nothing about PFAS

Belkin BoostCharge UV Sanitizer and Wireless Charger

Belkin

BoostCharge UV Sanitizer and Wireless Charger

Plastic housing, glass interior, UV-C LED, stainless steel contacts

PFAS Grade85Excellent
Overall Grade77Excellent
💨

Formaldehyde / VOCs

Limited concern

70
⚠️

Bacterial or fungal growth in the chamber

Limited concern

70

Lower concern; no PFAS-prone materials in standard design.

Brand says nothing about PFAS

Belkin BoostCharge Plus Power Bank

Belkin

BoostCharge Plus Power Bank

Lithium-ion battery, plastic housing, internal electronics

PFAS Grade85Excellent
Overall Grade67Good
⚠️

Lithium-ion thermal runaway risk

Limited concern

70
💨

Volatile organic compound (VOC) off-gassing from internal adhesives

Limited concern

70
⚠️

Battery swelling or venting under fault conditions

Moderate concern

45

Lower concern; no waterproofing or coatings typical of PFAS use.

Brand says nothing about PFAS

Belkin 20K Power Bank

Belkin

20K Power Bank

Lithium-ion battery, plastic housing, circuit board components

PFAS Grade85Excellent
Overall Grade55Good
⚠️

Lithium-ion battery thermal runaway

Limited concern

70
⛏️

Heavy metals

Limited concern

70
⚠️

Counterfeit battery or unsafe third-party charging cable

High concern

20

USB port degradation and electrical hazard

Limited concern

70

Lower concern; power banks lack typical PFAS-risk features.

Brand says nothing about PFAS

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

Belkin

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

Aluminum alloy, silicone, plastic, magnets

PFAS Grade85Excellent
Overall Grade77Excellent

Silicone degradation under repeated stress

Limited concern

70
⚠️

Neodymium magnet ingestion (secondary hazard)

Limited concern

70

Lower concern; wireless charger uses common materials without PFAS coatings.

Brand says nothing about PFAS

Belkin BoostCharge Slim Magnetic Power Bank

Belkin

BoostCharge Slim Magnetic Power Bank

Lithium-ion battery, aluminum alloy, plastic housing

PFAS Grade85Excellent
Overall Grade77Excellent
⚠️

Lithium-ion battery thermal runaway / fire risk

Limited concern

70
⚠️

Battery electrolyte leakage

Limited concern

70

Power bank with no known PFAS risk; limited disclosure available.

Brand says nothing about PFAS

Belkin UltraCharge Pro 2-in-1 Convertible Magnetic Charger

Belkin

UltraCharge Pro 2-in-1 Convertible Magnetic Charger

Plastic housing, aluminum alloy, silicone magnetic pads

PFAS Grade85Excellent
Overall Grade77Excellent

Plastic housing degradation and brittleness

Limited concern

70
⚠️

Thermal stress on plastic housing during fast charging

Limited concern

70

Lower concern; charger lacks obvious PFAS-prone materials.

Brand says nothing about PFAS

Graded and flagged Poor and Bad, we’d swap these

30000mAh Waterproof Solar Charger & Solar Power Bank- 18 W Wireless Phone Charger - 6 Outputs & Type-C Input & Output -

Samsung

30000mAh Waterproof Solar Charger & Solar Power Bank- 18 W Wireless Phone Charger - 6 Outputs & Type-C Input & Output -

Plastic housing with unspecified waterproof coating

PFAS Grade45Poor
Overall Grade23Bad
♾️

PFAS

Limited concern

70
🔥

Flame retardants

Limited concern

70
💨

Volatile organic compound (VOC) off-gassing from internal electronics and adhesives

Moderate concern

45
⚠️

Battery thermal runaway or electrolyte leakage if housing integrity fails

Limited concern

70

Avoid until waterproof coating materials are disclosed.

Waterproof or stain-proof treatment

Techsmarter 10,000mAh Waterproof Wireless Power Bank

Samsung

Techsmarter 10,000mAh Waterproof Wireless Power Bank

Plastic housing, waterproof coating unspecified

PFAS Grade40Poor
Overall Grade0Bad
♾️

PFAS

Limited concern

70
💨

Plastic off-gassing and leaching

Limited concern

70

Coating degradation over time

Limited concern

70
⚠️

Battery thermal management and plastic stability

Moderate concern

45

Waterproof power banks often use water-repellent coating coatings; Samsung doesn't disclose PFAS.

Waterproof or stain-proof treatment

Solar Charger Power Bank

Samsung

Solar Charger Power Bank

Plastic housing, Li-ion battery, solar panel with adhesive/epoxy, likely waterproof sealant

PFAS Grade40Poor
Overall Grade14Bad
⚠️

Lithium-ion battery thermal runaway / fire risk

Limited concern

70
💨

Adhesive and epoxy leaching / offgassing

Limited concern

70
🫧

Plastic housing degradation and microplastic release

Limited concern

70
♾️

PFAS

Moderate concern

45

Moderate concern; waterproofing materials often contain PFAS without disclosure.

Waterproof or stain-proof treatment

Techsmarter Waterproof Rugged Laptop Power Bank

Samsung

Techsmarter Waterproof Rugged Laptop Power Bank

Plastic body with unspecified waterproof coating

PFAS Grade40Poor
Poor

Power bank waterproofing source unknown; avoid without confirmation.

Waterproof or stain-proof treatment

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