Bus
Powering the future of
the profitable bus fleet.
For bus OEMs and fleet operators, profitability hinges on Total Cost of Ownership (TCO), passenger capacity, and operational uptime. Off-the-shelf batteries force design compromises that negatively impact all three. We provide a new path forward. Our cell-to-pack architecture delivers fully bespoke battery systems that solve complex packaging challenges, reduce vehicle mass, and offer flexible, long-life chemistries, all while keeping development and unit costs affordable for you.
Custom battery packs for BEVs and plug-in hybrids, brought to market faster and more cost-effectively.
Truly Bespoke for Complex Packaging.
Your vehicle design shouldn't be compromised by an off-the-shelf battery. Our cell-to-pack architecture provides true design freedom, allowing us to engineer solutions around structural members, disabled ramps, and passenger seating. The result is a more competitive vehicle with maximised cabin space.
Engineered for a Lower Total Cost of Ownership.
A profitable fleet depends on lifetime value. We deliver a lower TCO by design: our optimised systems reduce unit cost, our multiple-chemistry options provide route flexibility, and our underwritten 15-year warranty guarantees a long, reliable service life.
Accelerated Development. 15-Year Peace of Mind.
Our pre-validated architecture offers a capital-efficient path from concept to a fully certified battery system with lower risk than ‘from scratch’ solutions. We deliver on an accelerated timeline and back our engineering with a 15-year warranty, giving you both speed-to-market and long-term operational confidence.
Our Platform Capabilities
Our cell-to-pack 'blade' architecture is the key to our design freedom. By eliminating “traditional modules”, we create a stiffer, lighter, and more space-efficient battery system. This allows us to engineer solutions that are structurally integrated into your vehicle chassis, solving complex packaging challenges while maximising energy density and lowering system cost.
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Low Profile
- Design to maximise use of space in the floor of single or double decker buses, while optimising torsion, shock, and loads unique to buses.
- Available in LFP and LMFP, to optimise for range, life, and cost targets.
- Our cell-to-pack architecture leads to best-in-class energy density, reducing overall vehicle weight to increase passenger capacity.
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Standard Pack
- Each pack is designed as part of a larger system, ensuring the final combination of packs gives operators the exact performance and range profile they need.
- Multiple versions can be fitted in series and parallel to maximise the use of space around the bus.
- Accelerate your vehicle validation program and de-risk procurement by building upon our pre-validated cell-to-pack architecture.
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High Energy Pack
- Designed around your vehicle needs, to minimise the number of battery packs, and maximise total cost of ownership.
- Can be combined with standard and low profile packs to achieve overall vehicle and customer attribute targets.
- Simplify your vehicle's high-voltage architecture and cooling systems by using fewer, more energy-dense battery packs.
Engineering the Next-Generation Electric Bus
For a bus OEM developing a new electric bus, integrating the battery system was a complex, multi-faceted challenge. Standard battery solutions were too rigid, failing to meet the intricate design trade-offs required and forcing compromises that would impact passenger capacity, accessibility, and long-term profitability.
The Challenge
The project's primary challenge was a set of complex packaging constraints. The battery system had to be precisely integrated around essential passenger features, including disabled access ramps and seat belt mounts, while also accommodating the bus's main structural members. Beyond packaging, the customer had two critical business goals: lowering the total cost of ownership (TCO) through extended battery life and reduced unit cost, and decreasing the overall vehicle mass to maximise passenger count and revenue potential.
The Solution
IONETIC’s cell-to-pack architecture provided the design freedom needed to solve these competing challenges. IONETIC engineered a highly optimised, structurally integrated battery system that respected all packaging constraints while simultaneously increasing energy density. This superior optimisation allowed for more energy to be added to the vehicle using fewer battery packs, directly lowering the overall system cost. Critically, IONETIC selected a cell that enabled swapping between two different chemistries with no mechanical changes, giving operators the flexibility of a low-cost variant for shorter routes and a high-energy variant for longer ones. This entire bespoke solution was delivered with a 15-year warranty at globally competitive costs, providing a clear path to a more versatile, profitable, and future-proof commercial fleet.
Designed around your requirements.
Every battery pack we create starts with your exact performance, cost, and integration needs. Using our scalable design system, we engineer packs specifically for your application, rather than forcing you into off-the-shelf constraints. This allows us to make the right trade-offs between power, energy density, chemistry, form factor, and lifetime to deliver a pack that truly fits your product.
Safety and validation built in.
By working with IONETIC, your battery benefits from existing, validated design systems. By leveraging prior validation work, we reduce certification complexity, de-risk compliance, and help ensure your battery meets the highest expectations for performance, reliability, and safety.
Faster time to market.
Our platform approach can cut up to two years from traditional battery development timelines. By building on proven architectures, validated subsystems, and automated design tools, we dramatically reduce engineering cycles and iteration time. That means you can move from concept to production faster — helping you launch sooner, capture market opportunities, and reduce development risk.
European manufacture.
With manufacturing based in Europe, we offer a trusted, local supply partner with clear communication and greater transparency. Shorter supply chains mean faster lead times, improved responsiveness, and better collaboration throughout development and production. For customers who value reliability, speed, and close working relationships, our European footprint delivers a meaningful operational advantage.