The OnePlus 100 W SuperVOOC Power Bank has a USB-C output rated at up to 100 W and a stated capacity of 12,000 mAh. It can charge compatible smartphones and some laptops, while a second USB-A port provides up to 45 W.
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Capacity and battery cells
The power bank uses three 4,000 mAh cells connected in series. In a series connection, cell voltages add up, but their capacities in milliamp-hours do not: the series pack therefore has a capacity of 4,000 mAh at the battery pack’s voltage. Without knowing the voltage to which the 12,000 mAh figure refers, the two figures cannot be directly compared or the battery’s total energy reliably calculated in watt-hours.
The stated usable output capacity is approximately 7,200 mAh at 5 V, equivalent to approximately 36 Wh. This figure cannot be directly compared with the cell capacity without accounting for voltage and energy conversion losses. In practice, the energy available also depends on charging conditions and the power consumption of the connected device.
Power and charging protocols
The USB-C port supports charging at up to 100 W using SuperVOOC. Compatible devices can take advantage of that output, but the actual charging speed depends on the supported charging protocol and a suitable cable.
The USB-A port provides up to 45 W and can be used to connect another device. The power bank can charge multiple devices simultaneously, but the available specifications do not state how power is shared between the ports in that situation.
In addition to SuperVOOC, the power bank supports PD 3.0, PPS, QC 3.0 and AFC. These protocols broaden compatibility with smartphones and other devices, including some laptops. The 100 W maximum does not mean every connected device will reach that power level. The charging input power for the power bank itself is not stated.
Dimensions and safety
At approximately 149 × 72.8 × 19.1 mm and 318 grams, the power bank is suited to carrying in a backpack or bag. It includes protection against overheating, overvoltage and short circuits, which helps reduce the risk of damage to the power bank and connected devices.
Before flying, check your airline’s rules for carrying power banks. Battery energy in watt-hours may be relevant when assessing limits, but it cannot be determined unambiguously from the available capacity figure.
Summary
The model’s main strengths are its 100 W USB-C output and support for multiple charging protocols. The second port is useful for charging devices simultaneously, although the power-sharing arrangement is not stated. When assessing capacity, distinguish between the cell figures and the usable capacity at the output.
