Samsung Galaxy S25 Ultra · Power banks

Which power banks fit Samsung Galaxy S25 Ultra?

2 products have passed evidence review for this device. 1 fits with a limitation. 2 include a note worth reading before buying.

Every answer cites a source

Compatibility evidence checked: Jul 30, 2026
Page materially updated: Jul 30, 2026
Retailer link checked: Jul 30, 2026
Model identity checked: Jul 30, 2026

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Scoped toSamsung Galaxy S25 UltraAll accessories for this device

The answers

Power banks for Samsung Galaxy S25 Ultra, one by one

Whether it fits is settled first. Whether it is worth buying is a separate label.

Is Samsung 25W 10,000mAh Wireless Battery Pack compatible with Samsung Galaxy S25 Ultra?

Samsung 25W 10,000mAh Wireless Battery Pack

Samsung · Part EB-U2510XUEGUS

Yes, it fits.CompatibleUseful

Samsung lists a 25W portable battery for Galaxy S25-series phones; EB-U2510 provides USB-C wired output and wireless charging.

Before you buyUse the USB-C output for the most reliable fast charging; wireless charging speed varies by alignment and case.

Confirmed by qualifying manufacturer evidence
No conflicting evidence found

Specification confirmedVerified Jul 30, 2026USFeature parity: Full

The source behind this answer

Samsung — Galaxy S25 FE, S25, S25+, S25 Edge, and S25 Ultra accessoriesLocationListing for "Samsung 25W 10,000mAh Wireless Battery Pack"SupportsSamsung's Galaxy S25 accessory guide lists a 25W Portable Battery for the S25 lineup.First-party documentation · Accessed Jul 30, 2026

Safety qualification: exact tier-1/2 manufacturer or certification evidence is linked, with no active conflicting evidence.

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Is Samsung 45W 20,000mAh Battery Pack compatible with Samsung Galaxy S25 Ultra?

Samsung 45W 20,000mAh Battery Pack

Samsung · Part EB-P4520XUEGUS

Yes, with a condition.Compatible with limitationsUseful

Samsung lists a 45W portable battery for Galaxy S25-series phones; EB-P4520 supplies USB-C Power Delivery from a 20,000mAh pack.

Feature limitationThe phone negotiates its own supported charging rate; the pack's 45W rating is a maximum shared output.

Confirmed by qualifying manufacturer evidence
No conflicting evidence found

Specification confirmedVerified Jul 30, 2026USFeature parity: Full

The source behind this answer

Samsung — Galaxy S25 FE, S25, S25+, S25 Edge, and S25 Ultra accessoriesLocationListing for "Samsung 45W 20,000mAh Battery Pack"SupportsSamsung's Galaxy S25 accessory guide lists a 45W Portable Battery for the S25 lineup.First-party documentation · Accessed Jul 30, 2026

Safety qualification: exact tier-1/2 manufacturer or certification evidence is linked, with no active conflicting evidence.

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Side by side

Comparing these power banks

Attribute	Samsung 25W 10,000mAh Wireless Battery Pack	Samsung 45W 20,000mAh Battery Pack
Fits Samsung Galaxy S25 Ultra	Compatible	Compatible with limitations
Worth buying	Useful	Useful
Capacity mAh	10,000 mAh	20,000 mAh
Maximum output	25 W	45 W
Genuine part	Yes	Yes
Made by	Samsung	Samsung
Part number	EB-U2510XUEGUS	EB-P4520XUEGUS
Note before buying	Before you buy: Use the USB-C output for the most reliable fast charging; wireless charging speed varies by alignment and case.	Feature limitation: The phone negotiates its own supported charging rate; the pack's 45W rating is a maximum shared output.
Evidence	Specification confirmed	Specification confirmed

Bottom line

Which of these is for you

Fit is settled above. This is who each one suits once fit is no longer the question.

Samsung 25W 10,000mAh Wireless Battery PackThe common second purchase once the essentials are covered. The only one on this page recording Capacity mAh — 10,000 mAh; Maximum output — 25 W.
Samsung 45W 20,000mAh Battery PackThe common second purchase once the essentials are covered. The only one on this page recording Capacity mAh — 20,000 mAh; Maximum output — 45 W. Not for you if this matters: The phone negotiates its own supported charging rate; the pack's 45W rating is a maximum shared output.

Already own one of these?

Which of these power banks also fit another device

Fit rarely carries across generations, so this lists only the exact models each product is separately documented to fit.

Product	Also documented to fit
Samsung 25W 10,000mAh Wireless Battery Pack	Samsung Galaxy S25
Samsung 45W 20,000mAh Battery Pack	Samsung Galaxy S25

Same device

Other accessories for Samsung Galaxy S25 Ultra

See the full device guide

Car mounts2 products Cases2 products Charging cables2 products Screen protectors2 products Stands2 products Wallets2 products Wireless chargers2 products

Different device

Power banks for other Samsung Galaxy models

Fit rarely carries across generations. Each of these is checked against its own device.

Samsung Galaxy S252 products

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