How do I check the battery status on the FatMax PP1DCS?
Press the Battery Status Button to check the unit's battery charge level. The Battery Status Icon and Battery Voltage Indicator will display for 10 seconds, showing: four solid bars for full capacity, two or three bars for partial charge, one bar when nearly empty (unit should be charged), or four blank bars when completely empty (unit must be charged immediately). (Page 8)
From the official Stanley FatMax PP1DCS Portable Power Station Jump Starter manual, page 8
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