Works but doesn't charge well

My phone is a Samsung galaxy s9+. This one fits my phone well and works well for Android Auto. However, it seems to only charge it just enough to not lose charge. I have a 20-30 minute commute and don't notice any gain in charge, where I had a clear gain in charge over very brief periods before when I plugged directly into the same charger. If you're primarily looking for a charger, I can't recommend it. If you're looking for a way to get to Android Auto without losing existing battery life, this one will work for you.

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