Diy free welding mobile power kit 4 sections 18650 power box battery box charging treasure

Product information:
Cover = shell+main board
Input: 5v/1a
Output: 5v/1a
Instruction: charge white led light flash, diskharge often light
Size: l90mmxw76mmxh20mm
Features: fashion appearance, convenient installlation.
Selling point: diy belongs to its own charging treasure, and since then refuses to empty capacity standard

Note: 1.Picture with positive and negative poles. don't put on the battery.
- when installlation is completed, it is difficult to dismantle. please make sure the installlation is complete and the front cover is closed.
Please note!Pointed 18650 cannot be used in this mobile power kit! (For flat head 18650 core only)