USB-DC-5B : USB Power & Charge cord for Yaesu & Vertex radios.

E-DC-5BA : USB Power & Charge cord for Yaesu, Vertex, & Standard Horizon radios. Replaces DC cables such as Yaseu & Vertex E-DC-5B, SDD-13, SDD-12, E-DC-19, etc. INPUT: USB 5VDC 1.0-2.4A. Output: 12VDC, 0.4-1A.

The USB-DC-5B can be used several ways:

(1) Plug into radio. Provides power for operating the radio (full Rx & low Watt Tx), and for charging batteries thru the radio.

(2) Plug into back of base chargers such as CD-15, CD-41, CD-41BA, CD-47, etc. Provides power for these desktop rapid chargers.

Fits radios such as VX-8R, FT5D, FT-5DR, FT-5D, FT-1DR, FT2DR, FT1D, FT2D, FT3DR, FT-70R, FT-65R, FT-60R, FT-50R, VXA-700, VXA-710, FT-70R, FT-65R, VX-7R, VX-7Rb, VX-6, VX-6R, VX-5, VX-5R, VX-5Rs, VXA-100, VX-120, VX-150, VX-177, FT-250, FT-817, FT-530, VXA-300, FT-270R, FT-277R, FTA-250L, FTA-450L, FTA-550L, FTA-750L, STANDARD-HORIZON HX270S, HX370S, HX471/S, HX500S, HX600S, and many more. 
If your Yaesu radio has a DC plug port, coax center Pos(+), then this is the ideal USB Power Cable.

The 1A output from the cable is achieved when using a USB port with 2.4A output.