There was an investigation around using EBW and they found electron beam welding to be a much quicker process in comparison to resistance and laser welding.
The typical time to manufacture one battery pack using resistance welding is 12,000 seconds and 1,260 seconds using laser welding. In comparison, electron beam welding has demonstrated a speed of just 189 seconds per battery pack, with anticipated developments expected to take this number closer to just 75 seconds per pack, representing a 99.38% time saving.
The weld time comparison across resistance, laser, and electron beam welding results are shown in the table above.
(apologies for sharing a similar screenshot but just emphasizing the importance of EBW vs others)
How SBCL fits into the supply chain :-
- Product makers (SBCL) → Take raw materials + processes, use EBW internally, and deliver finished busbar/shunt assemblies.
- OEMs / Pack integrators → Receive ready-made EBW busbars and plug them directly into their module/pack manufacturing line.
And ISBH is EBW machine makers, contract welders.
The ola 2W batt pack teardown is really good and provides a lot of good insights
- The replacement cost , currently in the range of ₹66,000 to ₹88,000 , underscores that the battery pack remains one of the most valuable components in the scooter. Driving this cost down through localization efforts , such as the ramp-up of Ola’s own Bharat Cells , and by transitioning to higher-energy formats like 4680 cylindrical cells , will be critical to their competitive positioning.
Can be used a ref video too