Planning the Switch to Lithium-Ion
Lithium-ion adoption is accelerating across material handling fleets, but real value, safety, and compliance depend on careful planning, site readiness, and expert system design
Across the UK, warehouses are under growing pressure to increase productivity, reduce emissions, and maintain uptime across increasingly complex operations. As a result, many are accelerating the move from lead-acid batteries to lithium-ion across their material handling equipment fleets. While the performance advantages are clear, from fast charging to improved energy efficiency, the transition demands far more than a like-for-like battery replacement. According to Luke Gardner, Energy Infrastructure Manager at Jungheinrich UK, success is determined long before installation begins.
That is why organisations looking to unlock the true value of lithium-ion must take a considered approach. To deliver a safe, compliant, and future-ready energy solution, warehouse operators need to ensure their site, infrastructure, and operational practices are properly prepared.
Understanding Lithium-Ion Requirements
Lithium-ion performs best when the battery and charger are correctly matched to the application. This starts with a detailed understanding of how material handling equipment is used across the warehouse, including shift patterns, workload intensity, break schedules, fleet utilisation, and peak production periods.
Unlike lead-acid batteries, which rely on long overnight charging cycles, lithium-ion supports opportunity charging. Short, frequent charging sessions can take place during operator breaks, helping to maintain uptime across demanding operations.
This flexibility is a significant advantage, but only when systems are specified correctly. Selecting the wrong battery capacity or charger output can result in energy shortfalls, reduced availability, or unnecessary cost. That is why the first step in any lithium-ion project should be a consultancy-led assessment that aligns the technology with real-world operational demands.
Ensuring Site Readiness for Lithium-Ion
Once operational requirements are understood, attention must turn to the site itself. A lithium-ion survey goes far beyond identifying a charging location. It involves a detailed assessment of workflows, physical layout, electrical capacity, and safety arrangements.
Key considerations include:
· Confirming safe charging locations, with consideration given to footfall, traffic routes, and emergency access
· Assessing ambient temperatures and environmental conditions
· Reviewing fire safety measures, emergency stops, and isolation points
· Evaluating electrical infrastructure, including supply capacity, breaker availability, load diversity, and future expansion potential
These checks ensure the warehouse has the power, space, and safeguards needed to support lithium-ion today, while remaining resilient as automation, electrification, and energy demand increase.
Engineering the Right Solution
Following the site assessment, the next stage is to engineer a detailed energy solution. This typically includes charger layouts, cable routes, containment, signage, and integration with existing operational flows.
A well-designed solution must satisfy four key stakeholder groups:
1. Operational teams and performance requirements
2. Health and safety obligations
3. Insurer expectations
4. Electrical standards and regulatory compliance
Insurer confidence is becoming increasingly critical. Many insurers now require clear evidence of safe installation, electrical suitability, and effective risk mitigation. A professionally engineered design supports compliance and provides reassurance to leadership teams responsible for safety, continuity, and long-term investment decisions.
Planning for Success
Successful implementation also depends on effective execution. This includes coordinating electrical contractors, managing installation schedules, and minimising operational disruption during the transition.
Working with a single consultancy-led partner can simplify this process, ensuring accountability from initial assessment through to final commissioning.
A confident transition to lithium-ion does not begin with installation. It begins with planning, ensuring material handling fleets are powered safely, efficiently, and with the future of the modern warehouse firmly in mind.
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