Lithium Ion 18650 Battery Pack 3.7v 2600mAh (18650C1) 

The 18650C1-2600 is 2600mAh version 18650C1(1pcs cell inside) battery. It is made of single 18650 li ion rechargeable battery cell with Protection PCB/PCM inside and Pointed Head.  The 18650 battery could be in danger if use unprotected due to possible frequent over discharge, over charge or short circuit. It is very important to have the 18650 battery protected by proper PCM with specifications matching cell manufacturer's guide.  Depending the cell inside used in 18650C1, the capacity can be from 1200mAh as lowest option to 3500mAh as the highest option. 3500mAh is already the highest capacity achieved so far in 2018, the claimed 4000mah/5000mah/6000mAh 18650 battery is total fake ones.  Battery ID: 18650C1-2600 Cell inside: 1pcs li ion 18650 cell Capacity: 3.7v 2600mAh. Input:  4.2v 2A max  Output: 4.2v~3V 2.5A max or as customer request Input/Output Connection: bare leads or as customer request  Dimension: 18.5mm diameter, 67mm lengt…