①2.1A single output,max total output of 4.2A.
②dual usb QC3.0 fast charging,max total output of 36W. (2021 Latest)

Two Size:

①HTWU / HTWU(QC) 26x44mm ≈1.02x1.73inch
②HHTWU / HHTWU(QC) 23x36mm ≈0.9x1.42inch

Warm tip:

The product is manufactured to fit in the OEM space Available in your car or truck, works great as a replacement or extra USB charger in Honda, But it's not compatible with all Honda cars, Please check the dimension of the item and the slot of your vehicle to make sure it fits before placing an order.

️If you find the product don't work after installation, please check if there are some conditions:
1.Are the positive and negative poles reversed?
2. Is the fuse in the wiring blowned?
3.Whether the power supply is short of electricity? ?
4.Take the product apart and test it individually to confirm if it is a single car charger issue or a wiring issue?
5.Power connecting wires, usb cable and devices should support QC 3.0 fast charge.
6.The voltage meter reading led will show up after the item is connected to the battery.
7. The error value of voltmeter is within 0.1 ~ 0.2V, which is a normal phenomenon.

Please feel free to let us know if there is a defective problem with the product, we will reply online within 24 hours!

Notice :

Compared to other products, they only use one fast charging chip, which does not fast charge at the same time, or even a low quality fast charging chip. Our products use two high quality fast charging chips, which can fast charge two phones at the same time and last longer.