Do the Amp-hour and watt-hour ratings apply at all voltages out of the PD USB-C ports? If not, what are the ratings at 15V and 20V output? null

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Anker Team · Accepted Answer

Dear LennyDog.

Thank you for your interest in the C300X DC Portable Power Station!

The total capacity of the device is 288Wh. At 15V output, the rated current is 3A; at 20V output, the rated current is 5A.

To calculate the remaining runtime, we will recommend using the formula:
Remaining time = Capacity × Remaining battery % ÷ Discharge power × Conversion efficiency (approx. 0.8)

For example, at 80% battery and 100W discharge:
Remaining time = 288Wh × 80% ÷ 100W × 0.8 ≈ 1.8 hours.

Let us know if you have further questions!

“Do the Amp-hour and watt-hour ratings apply at all voltages out of the PD USB-C ports? If not, what are the ratings at 15V and 20V output?”

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