In sleep mode, the 12W charger is able to charge the notebook in about 4-5hrs. In summary, a 5V/2.4A (12W) charger can keep a Macbook 12" operating continuously, charging it at the same time in slightly less than one day. Thus, a total charge would take approximately 4 hours (likely a bit more, due to the current drop-off when the battery is almost full). With the Macbook being folded shut (i.e., sleep mode) and at 70-80% battery capacity, the Macbook reports a charge of 0.36mAh per second. Meanwhile, the Macbook (Coconut Battery) reports a slight charge while in operation (playing a B&W movie) amounting to 0.077mAh per second, equivalent to a full charge in 19+ hours. Using an Orico charger with 2.4A (nominal) "Supercharger" port, and IOGEAR USB-A to USB-C charge cable (3.3ft), I record a power draw of 2.60A with a voltage of 4.72V (voltage drops from nominal 5.00 due to the strong draw). Please ignore my earlier post, as I re-measured many of my earlier data points. Short circuit and power surge protection.For anyone interested in the details of Macbook 12" charging via 5V USB, here some data points ( revised). USB-A port for charging smartphones and tablets up to 2.1amps. Compatible with all devices with a Type-C port up to 61W (the latest laptops, tablets, and smartphones). Plug & go: automatically detects voltage and power through power-delivery 3.0. USB-Type Cto MagSafeversion2 cable (T-Tip)įor use with Precision Audio 65W+ USB-C Wall Adapterīuilt-in LED light status to indicate charging status.ġx Universal Wall Charger with USB-A and USB Type-C Ports Thoroughly tested for performance and durability.ġxMagsafe 2 to USB Type-C Charge Cable 1.8 (CTAT001)ġx Precision Audio 65W+ USB-C Wall Adapter (TP601CA) With the cable's USB-C end, pair it with the Precision Audio 65W Wall Adapter for a more convenient modular set up that's also more affordable. Purchase the kit! Precision Audio's ownMagsafe 2 cable and wall adapter charge kit offers superior quality third party option to replace your Macbook, Macbook Pro or Macbook Air's charger.
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