Huawei produces several models of car charger under its own Huawei or Honor brand. Different model of the car charger looks about the same, but their maximum charging output is different, and their price is different too.
Let's take a look on their differences, so that if you want to buy one, you could buy the correct model at the right price tag.
Huawei CP39S
Technology: SuperCharge wireless
Maximum power output: 27W
15-layers safety protection
You won't get this wrong, as this model is a wireless charger which looks different from the other models. It can only charge handphones that support wireless charging, such as Huawei P20 Pro, P30 Pro, Mate 20 Pro, Mate 30 Pro 5G, Mate RS, Mate 20 RS, Mate 20 X, etc.
Huawei CP37
Technology: SuperCharge 2.0
Maximum power output: 40W
12-layers safety protection
Charging USB #1: 5V2A
Charging USB #2: 10V4A max
Huawei AP38
Technology: SuperCharge
Maximum power output: 27.5W
Charging USB #1: 5V1A
Charging USB #2: 4.5V5A / 9V2A
5-layers safety protection
This is the same as Honor AP38C, but under Huawei brand.
Honor AP38C
Technology: SuperCharge
Maximum power output: 27.5W
Charging USB #1: 5V1A
Charging USB #2: 4.5V5A / 9V2A
5-layers safety protection
This is the same as Huawei AP38, but under Honor brand.
Huawei CP31
Technology: QuickCharge
Power output: 18W + 5W
Charging USB #1: 9V2A
Charging USB #2: 5V1A
5-layers safety protection
This is the same as Honor AP31, but under Huawei brand.
Honor AP31
Technology: QuickCharge
Power output: 18W + 5W
Charging USB #1: 9V2A
Charging USB #2: 5V1A
5-layers safety protection
This is the same as Huawei CP31, but under Honor brand.