Housing
1: 5 LED torch
2: 4 Level backup status
3: Size 149x64x22 mm
4: 5x 18650 cell compartment
Note: All 3.7V 18650 cell must be connected in parallel to form 3.7V total and then wire them to APCB + to + positive and - to - Negative.
we would suggest you use 1500mAh or 2000mAh 18650 cell from Megatronics