Most Energy-Dense Electric Vehicle Batteries

Apart from cells and chips, the startup has absolute control over the components and raw materials it sources for manufacturing batteries and battery swap stations. Reddy says his startup is focusing on the B2B space as most of the B2C electric vehicle users commute for a limited number of kilometres every day.

“Our electric vehicle batteries come packed with almost 170Wh per kg of energy density,” Arun Sreyas Reddy, Founder of RACEnergy, shared in an exclusive conversation with
Electronics For You. In absolute numbers, four of these batteries allow an electric three-wheeler (E3W) with a range of about 110km. Reddy adds that it takes about 30 to 60 seconds to swap these batteries. This results in E3Ws spending more time on the road, a prerequisite for a sustainable business for E3W owners and fleet operators.

Weighing around 9.5kg each, these batteries feature an IP68 rating. Reddy explains that the process of developing these batteries was the toughest part of the start-up’s journey that started in 2019. Their initial designs included a plastic enclosure which was replaced with aluminium because of the latter’s heat dissipating properties. To ensure the designed batteries work with the software built in-house, the startup also had to design its own battery management system (BMS).

Reddy highlights, “BMS sourced from third parties was not an ideal match for our batteries, so we worked on the same ourselves. Even the cells inside the battery feature immersion technology which dissipates the heat to aluminium. It has been hard because the more density you pack inside a battery, the more sensitive it becomes.”

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