Introduction
The Samsung Galaxy S25 Edge, with its hardware innovation, has become the thinnest smartphone in the Galaxy S series, measuring just 5.8mm in thickness and weighing only 163g. It is powered by the Snapdragon 8 elite mobile platform, delivering robust performance not only for daily tasks but also with a more powerful NPU. Now let’s take a look at its charging compatibility.
Charging Compatibility Test
Original Chargers
Let’s start by examining the charging compatibility of the Galaxy S25 Edge with Samsung’s own chargers across various power levels.

When charging the Galaxy S25 Edge with the Samsung GaN 25W charger (model: EP-T2510), the ChargerLAB POWER-Z KM003C tester measured the input power at 8.31V 2.32A, or 19.28W.

We tested a range of Samsung chargers with different power ratings using the original C-to-C charging cable. The maximum charging power reached approximately 19.35W.

In terms of compatibility with Samsung’s original chargers, the Galaxy S25 Edge showed minimal differences in charging performance with chargers rated between 25W and 65W, maintaining a consistent power draw of around 19W. This is similar to the performance of the Galaxy S25.
Third-party Chargers
After reviewing the original charger results, we then evaluated the S25 Edge's compatibility with third-party chargers. Nearly 100 different models were tested, and the detailed results are as follows.

When charging the phone with the AOHi 67W charger, we recorded a power draw of 8.50V 2.32A, or 19.72W.

Summarizing the data from all third-party chargers, they generally triggered the 9V voltage range with a peak current close to 2.5A. No compatibility issues were observed, indicating stable charging compatibility.

A bar chart of the charging power shows that most results fall within three power levels: 14W, 16W, and 20W. Chargers supporting the PPS fast-charging protocol delivered slightly higher power, around 20W. Although the maximum charging power reached only around 20W, the Galaxy S25 Edge demonstrated excellent compatibility with third-party chargers with no observed issues.
Power Banks

Lastly, using the AOHi 27600mAh 240W power bank to charge the Galaxy S25 Edge, we recorded a power input of 8.77V 2.30A, or 20.17W.

It’s clear that third-party power banks also triggered the 9V voltage level, with current ranging from 1.5A to 2.5A. Compatibility results were largely similar to those of third-party wall chargers.

Regarding power bank compatibility, the result was similar to that of third-party chargers, mostly falling within 15W and 20W. Power banks supporting the PPS protocol showed slightly higher charging power, and the test results were largely consistent with the third-party charger data.
Summary of ChargerLAB
Overall, the Samsung Galaxy S25 Edge maintains a maximum charging power of around 20W when used with original chargers, third-party chargers, or power banks, showing broad compatibility with mainstream charging devices on the market. This means users have the flexibility to choose charging accessories that suit their needs—whether at home, at the office, or on the go—ensuring both efficient charging and strong accessory compatibility.
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3. Samsung Galaxy S25 Battery Test