Below we find a useful comparison between X4 Air FPV (H501S) and PowerRay from PowerVision. The first product turns out to reach a maximum speed higher than that of the second product. The second product has a maximum time of autonomy greater than that of the first. PowerRay is priced higher than X4 Air FPV (H501S). The battery of PowerRay (6400 mAh) has a capacity greater than that of X4 Air FPV (H501S) (2700 mAh). X4 Air FPV (H501S) takes up less space than PowerRay. PowerRay is heavier than X4 Air FPV (H501S). Below we find more information on various aspects between X4 Air FPV (H501S) and PowerRay. Published data is always indicative and may contain errors or be subject to change. Always check official sources.