The AC105NC-3V3000 is 3000mAh version AC105 battery. It is made of single 18650 li ion rechargeable battery cell with smallest size and an extension cable. The AC105 battery comes with an ABS plastic case protection battery against drop, water, short circuit, more safe then PVC heat shrink version, better for external connection with device. Depending the cell inside used, 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: AC105-3V3000 Cell inside: 1pcs li ion 18650 cell Capacity: 3.7v 3000mAh Input: 4.2v 2.5A max Output: 4.2v~3V 2.5A max, Constant DC Dimension: 22*26*70mm Input/Ouput Terminal: 3.5*1.35mm coax type, or other type by extension cable. Weight: 60g Typical 18650 battery cell options: 18650 battery cells for low dis…