Incipio · Waterproof Phone Chargers & Cables
Incipio offGRID 4000mAh Portable Backup Battery IP-679
Portable battery with no known PFAS risk; no brand disclosure.
Portable power banks typically use lithium-ion cells and plastic casings without intentional PFAS treatment. Incipio provides no public PFAS statement, but the product category poses low inherent risk.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Lithium-ion battery, plastic housing, electronics
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
Category baseline
other is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
The Incipio offGRID 4000mAh uses a lithium-ion cell pack inside a plastic (likely polycarbonate or ABS) housing with standard electronics. Lithium-ion chemistry is well-established and poses minimal leaching risk under normal use, as the battery is sealed. The plastic housing is not food-contact and not heated during typical operation, so BPA or phthalate migration is not a realistic exposure pathway. The main material concern is battery safety itself, thermal runaway if damaged or overcharged, rather than chemical leaching.
The brand's record and disclosure
Incipio is a consumer electronics accessory maker with no known major product safety recalls involving this model. The brand does not publicly disclose PFAS use or avoidance in marketing materials, which is typical for portable battery manufacturers and does not indicate a safety violation. No established controversies or lawsuits tied to chemical contamination in their battery products are on record. Standard electronics industry compliance (CE, FCC) is expected but not independently verified here.
How it compares in its category
Portable power banks of this capacity (4000-5000mAh) are commodity products with minimal differentiation in chemical safety; most use similar lithium-ion cells and injection-molded plastic housings. Incipio's offGRID line is mid-range pricing and does not market premium materials or special safety certifications. Compared to brand-name competitors (Anker, RAVPower), there is no evidence of higher or lower chemical risk; all operate on the same battery chemistry and manufacturing standards.
If you buy it
Do not expose the unit to extreme heat (above 60°C/140°F) or physical crushing, as this increases lithium-ion fire risk, not chemical leaching. Avoid leaving it fully charged for months; store at 40-60% charge if unused long-term to extend battery lifespan and reduce degradation. Replace the unit if the housing cracks or the battery swells noticeably; do not attempt to open it. Keep away from water unless the product is explicitly rated IP67 or higher; this model's IP rating is unclear from the product name alone.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Lithium-ion battery thermal runaway
All lithium-ion portable batteries carry inherent risk of fire or rupture if damaged, short-circuited, or overcharged. This is a design and use-condition risk, not a chemical contamination issue, but remains the primary safety concern for this product class.
Plastic housing leachables (BPA/phthalates)
The plastic housing is not food-contact and not heated during normal charging or use. No evidence of BPA, BPS, or phthalate migration into skin or food. Risk is negligible under standard operating conditions.
Battery electrolyte or internal corrosion byproducts
The battery is sealed; electrolyte does not escape under normal use. Risk of exposure only occurs if the casing is physically damaged and contents leak, which would be immediately obvious and require medical attention if skin contact occurs.
Heavy metals in circuit board components (lead solder, cadmium)
Electronics in this price tier typically comply with RoHS directives limiting lead and cadmium in solders and components, though Incipio does not publicly certify this. No recalls or test failures are on record for this model.
Counterfeit or substandard lithium-ion cell substitution
Portable batteries are frequent targets for grey-market counterfeits with cheaper, unsafe cells. Purchase directly from authorized retailers (Incipio.com, Amazon, Best Buy) to minimize this risk; suspiciously low prices or third-party sellers should raise caution.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 65% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
More waterproof phone chargers & cables grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.