TÜV Rheinland certified a OnePlus charger that outputs a maximum of 9 Volts at 2 Amps, which equals to 18 Watts. That’s a pretty common number for QuickCharge and USB Power Delivery chargers, but it’s odd to see it on a OnePlus-branded product. So far we’ve only seen two varieties of fast chargers from the company – 20 Watts (5 V, 4 A) and 30 Watts (5 V, 6 A). Keeping the voltage low is a major feature of the technology as it reduces heat. This new charger is clearly not part of the Warp/Dash family. OnePlus has hinted at plans to introduce more affordable smartphones after the Nord...
Source: https://www.gsmarena.com/oneplus_is_working_on_a_18_w_charger_presumably_for_a_cheaper_nord-news-44777.php