| Battery Recharge Threshold || 4.1V
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| Ports & Connectors || *DC power jack - 5.5x2.1mm|-|  || *4-cell 21700 battery socket x1|-|  || *5.1V Power output connector x2 - XH2.54 2-pin|-|  || *USB2.0 type-A power output socket x2|-|  || *External power button connector x1 - XH2.54-2P
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| PCB Size || 108mm x 85mm