Nitecore Battery 18650 Extension Battery Case For NU40、NU43、NU50

Input: 5V⎓2A
Output: 5V⎓2A
Battery Option: 18650 Li-ion Battery (Flat Top Battery Excluded)
Dimensions: 106mm x 40mm x 35mm (4.17" x 1.57" x 1.38")
Weight: 65g (2.29 oz)