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  1. General Car Audio Discussion
    Hi, Does anyone know how to keep battery from discharging while making adjustments in HU, amps, processor? I have CTEK MXS 5.0 charger and I wonder if it would help and more importantly if it would be SAFE to connect it to my battery and dc socket while I'll be listening to my audio pounding...
  2. General Car Audio Discussion
    Hi. I have '98 BMW E39 520i EUR. I just noticed that after several days of not driving my battery drains dead so I can forget about starting my car. I have 2 amps + 4 speakers + aftermarket HU + 12" sub. Before that I've installed standard (let's say not budget but also not a premium MA) 85Ah...
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