ITEM NAME:XH-M401 DC-DC Step Down Buck Converter Power Supply Module XL4016E1 Board #gib Store Home Promotion Hot Item Add to Fav.1 x M401 DC-DC Step Down Module. Chip: the switch regulator XL4016 has a protective current protection, over temperature protection, short circuit protection. Maximum output current: 8A. Add to Fav. Maximum power: 200W.