iPhone 15 Pro Max vs. Galaxy S23 Ultra Battery Test

Battery test between the Apple iPhone 15 Pro Max and Samsung Galaxy S23 Ultra to see which phone lasts longer. Galaxy S23 Ultra at Samsung: TEST NOTES: - Screens were calibrated to 200 nits with auto-brightness turned off. - Speakers calibrated to the same decibel count. - Tested within equal distance of a mini cell tower. - Tested in a temperature-controlled environment. About PhoneBuff: It’s not official until it’s done #phonebuffstyle! Home of the best smartphone speed tests, drop tests, and battery tests. Send Products To: PhoneBuff 23811 Washington Ave 110-394 Murrieta, CA 92562 iPhone 15 Pro Max vs. Galaxy S23 Ultra Battery Test PhoneBuff