Well it looks like Raymond is doing some marketing, a lot more than Electrovaya was doing! The linked article is from Plant Magazine.
"The up-front purchasing costs are typically three to four times higher than a lead battery, but the return on investment makes them worth the additional cost, DasGupta argues.
“If you’re replacing three lead acid batteries with one lithium-ion battery, then with the energy savings, maintenance savings and longer life span, you’re looking at an ROI in three to four months for heavy users. If you’re a lighter user, then within a year or two,” he said."
https://www.plant.ca/features/getting-the-lead-out/