A4N heating vest battery

A4N-100000: 4.2V input, 3v 4.2v output ***for 3v 5v electronic gears A4N-10000U: 4.2V input, 5.5V output [USB standard output] ***for USB electronic gears A4N-10000N: 5.2V input, 5.5V output [USB standard input/output] ***for USB electronic gears A4N-143442: 4.2V input, 3v 4.2v output with adjustable power levels ***for heated warm wear gears A4N-143040: 4.2V input, 3v 4.2v output with battery power gauge ***for 3v 5v electronic gears A4N-143448: 4.2V input, 3V 4.2V output adjustable + 5.5V output [USB standard output], with battery gauge ***for 3V 6V all gears A4N-143049: 4.2V input, 3V 4.2V output nonadjustable + 5.5V output [USB standard output], with battery gauge ***for 3V 6V all gears A4N-14304U: 4.2V input, 5.5V output [USB standard output], with battery gauge ***for USB electronic gears A4N-14304N: 5.2V input, 5.5V output [USB standard input/output], with battery gauge ***for USB electronic gears A4N-200000: 8.4V input, 6v 8.4v output ***for 6v 9v electronic gears A4N-20000U: 8.4V input, 5.5V output [USB standard output] ***for USB electronic gears A4N-243442: 8.4V input, 6v 8.4v output output with adjustable power levels ***for 6v 9v electronic heated warm wears A4N-243040: 8.4V input, 6v 8.4v output with battery power gauge ***for 6v 9v electronic gears A4N-243448: 8.4V input, 6v 8.4v output adjustable + 5.5V output [USB standard output], with battery gauge ***for USB electronic gears A4N-243049: 8.4V input, 6v 8.4v output nonadjustable + 5.5V output [USB standard output], with battery gauge ***for USB electronic gears A4N-24304U: 8.4V input, 5.5V output [USB standard output], with battery gauge ***for USB electronic gears 3.7V-4400MAH garanteed UL cell inside made to customer's specification accessory wires for wide connection ....