This year Huawei unveiled a new charging protocol that launched with the Mate 20 Pro. Called SuperCharge 2.0, it provides 40W of power at 10V and 4A. A new leak has revealed that the Chinese smartphone giant will unveil a new protocol next year and this may be available for more devices.
The new SuperCharge charging protocol also has a voltage rating of 10V like SuperCharge 2.0 but it cuts the amperage to 2A for a 20W power-rating. This means the new SuperCharge protocol won’t be as fast as the one in the Mate 20 Pro. However, the good news is that it will likely be available on a lot more devices instead of just flagships like SuperCharge 2.0.
Huawei’s 20W fast-charging is still faster than Qualcomm‘s Quick Charge 3.0 which has a power rating of 18W and is what most manufacturers adopt for their mid-range, upper mid-range and even some of their flagships. Qualcomm has a faster charging protocol (Quick Charge 4.0+) but adoption has been slow by manufacturers.
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Other than Huawei, OnePlus and OPPO are examples of other manufacturers that also have their own charging protocols. Yesterday, OnePlus announced a new charging protocol called Warp Charge 30 (30W) along with the OnePlus 6T McLaren Edition. OPPO, on the other hand, is the king with its SuperVOOC fast-charge technology which has a power rating of 50W (10V 5A).
(Source)
