This battery revived my Samsung Galaxy Note 3. After months of diminishing battery life, my phone got to the point where it could no longer charge. I wasn't sure if this battery would help, but it has. My phone charges pretty quickly now and holds the charge throughout the workday ( I don't have much time on my phone at work, but before replacing the old battery with this new one, I had to keep it plugged in to a charger the entire day). I'm just really pleased with this battery, and would recommend it to anyone.