4pcs Panasonic NCR18650BF(NCR18650B) 3.6 Volt 18650 Battery 3400 mAh

if you want to weldering tabs
you can buy Spot Welder on yokodai.jp HSW-03
Applications
Model Name NCR18650B
Cell Type NCR18650BF
* Building portable power device that needs high energy density and low weight.
Product Specifications Specification
Item Content Capacity
Nominal Capacity: 3350 mAh
Typical Capacity: 3250 mAh
Minimum Capacity: 3250 mAh
Nominal Voltage 3.6 V
Internal Impednce 32mohm
Discharge Cut-off Voltage 3.0 V
Max Charge Voltage 4.20±0.05 V
Standard Charge Current 0.52 A
Rapid Charge Current 1.3 A
Standard Discharge Current 1.5 A or more
Rapid Discharge Current 1.9 A or more
Max Pulse discharge Current less than 6 A
Weight 48g(1.69 oz)
Dimensions Diameter: 18 mm(0.7 inch) Height: 65 mm(2.559 inch)
Operating Temperature Charge: 0~45 oC Discharge: -20~60 oC
Storage Temperature During 1 month: -5~35 oC During 6 month: 0~35 oC
WARNING
* Caution: when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mishandled
*Protective Circuit Board is required when making packs * User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging, and assembly before use
* Put the batteries in fire-proof container
* Never leave batteries unattended when charging
* Do not put batteries on wood surface or carpet when charging
* We are not responsible for damage if there is any modification of the batteries in form, shape,or made into packs
* We are not responsible for any damage caused by misuse or mishandling of theses Li-Ion batteries