Panasonic NCR18650B 3400mAh

Panasonic lithium-ion Battery

specification
Model: NCR18650B
Typical capacity: 3350mAh
Minimum capacity: 3250mAh
Nominal voltage:  3.6V
Life cycle: more than 300 time
weight: 48g
dimensions: 18.3mm x 65.1mm

Panasonic
Specification sheet: Download here