30 kiloWatt-hour Nissan Leaf battery pack manufacturing details

Battery cells traversing the machinery. Each cell is a pouch, with two tabs for the positive and negative connections.

Battery cells are taken along a conveyor, with visual checks performed

Visual check being performed.

Battery module on the assembly line. Where the previous modules (for the 24 kWh packs) had single-height modules, this is a double-height module.

For comparison, this is the old Leaf battery module which goes into the 24 kWh packs.

Battery modules undergoing visual inspection

Another view of the module inspection process. It’s clear from the video the modules are held aloft by suction force, so the workers can inspect on all sides and the bottom.

Closeup of battery module during inspection process.

Close-up look at the module during the inspection process.

Another angle to look closely at the battery modules. You’ll also notice a magic marker in his hand, that in the video is used to make marks that probably indicate the visual inspection was performed.

A rack of modules getting ready to go into a completed battery pack.

Busbar being readied to attach to the group of modules.

Bolting the busbar to the modules.

Close-up of bolting down the busbar to the modules.

Assembling the battery pack. Lowering the group of modules into the pack, and preparing to wire everything together.

Bolting down the battery module assembly into the pack.

Close-up of the battery pack assembly.

Finished battery pack on a trolley going to who-knows-where. The video shows that this trolley is robotic, and is probably following the orange lines painted on the floor.