Will Your Galaxy S25 Charger Work With Galaxy S23 Ultra?
Cable, wall adapter, wireless charging & MagSafe compatibility (2026)
Works but with caveats
Your Galaxy S25 charger works with the Galaxy S23 Ultra — but charges slower than max speed. Upgrade your adapter for full 45W charging.
🔌 Cable
CompatibleBoth use usb-c — your cable works. The Galaxy S23 Ultra supports up to 45W (vs 25W) so you may want a higher-wattage cable for max speed.
🔋 Wall Adapter
Works but slowerYour 25W adapter works but charges the Galaxy S23 Ultra at 25W instead of its 45W max. Upgrade to a 45W+ adapter for full speed.
⚡ Wireless Charging
CompatibleA standard Qi pad works for both phones at up to 7.5W.
🧲 MagSafe
IncompatibleNeither phone has built-in MagSafe magnets. MagSafe chargers will charge via Qi at ~5W without magnetic snap.
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Frequently Asked Questions
Will my Galaxy S25 charger work with Galaxy S23 Ultra?
Your Galaxy S25 charger works with the Galaxy S23 Ultra — but charges slower than max speed. Upgrade your adapter for full 45W charging.
Can I use my Galaxy S25 cable with Galaxy S23 Ultra?
Both use usb-c — your cable works. The Galaxy S23 Ultra supports up to 45W (vs 25W) so you may want a higher-wattage cable for max speed.
Does MagSafe work with both phones?
Neither phone has built-in MagSafe magnets. MagSafe chargers will charge via Qi at ~5W without magnetic snap.
Can I wirelessly charge both phones with the same charger?
A standard Qi pad works for both phones at up to 7.5W.