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Batteries now play a critical role in many areas, from electric vehicles to everyday products. Battery Show Europe highlights the importance of safety and heat management in batteries, directly impacting e-commerce. Businesses need to adapt their practices, focusing on trust and compliance, as proper battery management can be a competitive advantage in a growing market.
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Batteries are no longer a technical component that only concerns electric vehicle manufacturers or industrial suppliers. They are found in power banks, electric bikes, scooters, tools, portable devices, smart home products, energy storage systems and in an increasing number of products sold online. The DesignNews article on Battery Show Europe highlights exactly what the market is already seeing: battery performance is not enough. Battery heat management, reliability, compliance and failure prevention are taking centre stage, because the commercial development of products with lithium-ion batteries is now dependent on safety throughout the entire chain, from design to delivery and return.
The Battery Show Europe is not just an exhibition for engineers. It is an indicator of where the market for battery products is moving, i.e. a market that directly affects e-commerce owners, marketplaces, retailers, distributors and brands that import or resell technology products. When industry discussions focus on thermal runaway, battery pack design, cooling systems, BMS battery management system and lithium battery safety, the message to e-commerce is clear: the product page, storage, packaging, transportation, return policy and customer service must be aligned with higher safety standards. An online store selling battery products is not just selling features such as mAh, autonomy or charging speed. It sells trust, documentation, proper use and reduced risk.
The big change is that batteries have become both a commercial asset and an operational liability. A power bank without proper certification, an electric bike with unclear charging instructions or a refurbished product with uncertain battery condition can lead to returns, negative reviews, courier problems, insurance claims or even regulatory exposure. For e-commerce businesses, this means that e-commerce product safety should not be treated as a footnote in the terms of use, but as an organized process that begins before inventory is purchased. As the penetration of battery-powered products increases, technical documentation, selection of reliable suppliers and clear communication to the end customer becomes more important.
Battery thermal management refers to how a system prevents excessive temperature rise, distributes heat evenly and maintains battery components in a safe thermal range. On a practical level, this can include passive heat dissipation materials, thermal pads, air duct design, liquid cooling in larger battery packs, temperature sensors and control software via a BMS battery management system. Temperature affects lifetime, charging speed, performance, but most importantly safety. When a lithium battery is thermally, mechanically or electrically stressed, the risk of internal short circuit and, in extreme cases, thermal runaway, i.e. an uncontrolled thermal chain reaction, increases.
For an e-shop, it's not about becoming an electrochemistry laboratory. It is about knowing which products have been designed with adequate protection mechanisms and how this is demonstrated. A reliable battery product should come with technical datasheets, BMS information, charge and discharge limits, transport certifications such as UN 38.3 where applicable, storage instructions and a clear warning for use of non-compliant chargers. Energy storage on a small or large scale requires transparency. The same applies to lower cost products, where it is often tempting to only display the price. But real value is built when the brand explains why a product is safe, what protection it has and how it should be used.
The intensity of the debate around batteries is explained by the speed of market growth. According to the International Energy Agency, the share of electric cars in global car sales increased from about 4% in 2020 to 18% in 2023. This growth curve does not only affect automakers. It creates economies of scale, new technologies, greater production capacity and increased consumer familiarity with products that use large or small batteries. As shown in the graph below, the market is moving on a trajectory where safety, performance and compliance are becoming integral elements of commercial strategy.
Share of electric cars in global sales
Source: IEA Global EV Outlook 2024
The same trend can be seen in absolute sales volumes of electric cars. The IEA reports that global sales of electric cars increased from about 3 million in 2020 to almost 14 million in 2023. For an e-commerce owner, this data translates into something very specific: consumers are used to evaluating products based on autonomy, charging, battery warranty and safety. These expectations are gradually moving from electric vehicles to e-bikes, portable tools, home appliances and battery energy storage products. The graph below illustrates the growth in electric car sales, which acts as a broader catalyst for battery technology maturation.
Global electric car sales
Source: IEA Global EV Outlook 2024
Demand does not stop at vehicles. McKinsey estimates that global demand for lithium-ion batteries could grow from about 700 GWh in 2022 to about 4,700 GWh in 2030. This means more production, more suppliers, more new brands, but also a greater need for strict quality control. The more batteries on the market, the more critical it becomes for e-commerce to distinguish trusted manufacturers from opportunistic suppliers. The chart below shows the size difference McKinsey predicts and explains why lithium battery safety will become a matter of administrative decision, not just technical evaluation.
Global demand for lithium batteries
Source: McKinsey Battery 2030 report
The biggest mistake an online brand can make is to assume that the battery risk ends when the product passes the initial purchase check. In reality, the risk runs throughout the entire customer journey. On the product page, the customer needs to understand which charger is appropriate, what the rated capacity is, whether the battery is removable, what the warranty is, and what restrictions apply to shipping. At checkout, there must be proper shipping options when the product is subject to dangerous goods restrictions. In the warehouse, there must be procedures for identifying blown, knocked out or overheated batteries. In returns, reverse logistics batteries are perhaps the most underrated point: a product returned after being dropped, wet or using the wrong charger should not automatically be put back into stock.
The European regulatory direction makes the issue even more serious. The EU Battery Regulation introduces requirements related to sustainability, labelling, traceability, recycled content, performance and end-of-life obligations for batteries. For some categories, the market is moving towards greater transparency through product information and digital battery passport. This is directly relevant for circular economy batteries, because it is not enough for the company to sell the product; it needs to know how it manages information, collection, recycling and after-sales responsibility. Anyone building e-commerce with a three- or five-year perspective needs to see compliance as part of the brand experience, not as a chore that occurs when there is a problem.
Step 1: Start with the supplier, not the price. Ask for a complete technical file for each battery pack product: battery datasheet, battery pack design information, BMS, operating temperature limits, charging instructions, certifications and shipping documents. If the supplier can't answer accurately, the lower purchase cost can turn into a high commercial risk. Step 2: Map requirements by product category. Some needs are for a smartwatch, others for an e-bike, and others for a home battery energy storage system. Record whether UN 38.3, special shipping markings, air transport restrictions, special packaging or return instructions are required.
Step 3: Update product pages. Don't limit yourself to generic phrases like “long range” or “safe charging”. Add specific information: battery type, capacity, charging cycles where provided by the manufacturer, overcharge protection, overheat protection, compatible chargers, storage temperature and what the user should avoid. This information reduces support tickets and increases confidence, especially in more expensive products. Step 4: Educate warehouse and customer support. The team that receives, stores and packs should recognize obvious danger signs: deformation, odor, burn marks, excessive heat or damaged packaging. The service team must know when a battery return should not be sent by normal procedure.
Step 5: Create a return policy specifically for battery products. The standard “return within 14 days” policy is not operationally sufficient. You need an internal inspection protocol before the product is returned on sale. For refurbished or open-box products, even more attention is needed because the condition of the battery directly affects safety and customer satisfaction. Step 6: Connect compliance and marketing. If a product has a reliable thermal management system, certifications and clear instructions, these should not be hidden in a PDF. They can become part of the positioning: “safe charging”, “documented overheating protection”, “complete instructions for use and storage”. Caution though: each claim must be substantiated. Exaggeration in communication around safety can turn against the brand if it is not backed up by factual evidence.
In e-commerce, batteries can act either as a growth driver or as a source of unforeseen costs. The difference lies in management. An e-commerce brand that invests in reliable suppliers, proper documentation, clean product pages, trained warehouse and organized reverse logistics batteries can reduce returns, chargebacks, negative reviews and operational delays. At the same time, it can gain an audience that is not just looking for the cheapest product, but a safe and clear purchase. Especially in categories such as micro-mobility electric vehicles, portable energy, smart home and tools, trust in the battery is often trust in the brand itself.
The key conclusion from the discussion highlighted by DesignNews for Battery Show Europe is that the market is moving from the excitement phase to the maturity phase. Capacity, autonomy and fast charging remain important commercial arguments, but now coexist with safety, thermal stability, compliance and sustainability. For e-commerce owners, this is opportunity. Those who organise their strategy around safe battery products, transparent information and responsible after-sales management from today will have an advantage in a market that is growing fast but becoming more demanding. The next day of batteries will not only be decided in the lab. It will also be judged at the cart, in the warehouse, at the courier, on return and in the customer experience.
Sources: DesignNews - Thermal Management, Safety Issues Under Scope at The Battery Show Europe | International Energy Agency - Global EV Outlook 2024 | McKinsey - Battery 2030: Resilient, sustainable, and circular | European Commission - Batteries | UNECE - UN Manual of Tests and Criteria | IATA - Lithium Batteries Guidance
Battery safety in e-commerce is critical due to the increased use of battery products. Compliance with safety standards reduces the risk of returns and negative reviews, while increasing consumer confidence.
Battery Show Europe shows the market trends in batteries, influencing e-commerce through an emphasis on safety and heat management. This means that online retailers need to align themselves with higher safety standards.
Battery heat management includes methods to prevent overheating, such as passive materials and cooling systems. It is critical to battery safety and performance, especially in lithium battery products.
Challenges include ensuring proper documentation and compliance, as well as managing risks throughout the customer journey. Attention to product storage and returns is also required.
Investing in reliable suppliers and providing clear safety information increases consumer confidence. This differentiates the brand and reduces the risk of returns and negative reviews.
Improper management can lead to refunds, negative reviews and problems with insurance claims. Compliance and documentation are critical to avoid such problems.
Technical documentation provides information on safety and performance, reducing support tickets. It helps consumers understand proper use and increases confidence in the product.
