ECO Line Equipment

CMWTEC’s ECO line battery finishing equipment bridges the gap between high-performance technology and cost-efficiency. Designed for lead-acid battery manufacturers who demand reliable, precise machines without the full investment of a Premium Line setup, our ECO Line delivers consistent quality at an optimised price point.

The ECO Line covers the essential stages of the battery finishing process: volumetric acid filling, acid levelling, post-brushing, post-greasing, plug insertion, battery washing, air leak testing, high-voltage testing, high-rate discharge testing and battery labelling. Each machine is built on the same engineering principles as our Premium Line – ensuring durability, accuracy and seamless integration into your production line.

ECO Line machines are designed for flexibility. Whether you operate a smaller battery production facility or require a cost-efficient solution for specific process steps, our ECO Line equipment adapts to your exact requirements. Individual machines can also be combined with Premium Line equipment to create a hybrid battery finishing line tailored to your needs.

Manufactured at our facility in Runkel, Germany, every ECO Line machine meets strict quality standards. CMWTEC’s ECO Line is the ideal choice for battery manufacturers seeking proven German engineering at an efficient investment level.

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With German engineering at its core, our modular concept turns individual machines into a scalable production system that grows with your requirements. 

You can start with a compact setup and integrate additional modules whenever your capacity, processes or product portfolio change. This keeps your investment efficient today and your production flexible for tomorrow.

Flexible Setups. Individual Solutions

Our modular machines can be combined into flexible production lines and various machine set-ups – exactly as your process requires. In addition to proven setups, we also support individual requests and tailor-made solutions for your specific needs.

Whether you choose an established combination or develop your own – we’ll help you build the perfect system.

Every machine highlighted with the modular symbol
can be configurated and tailored to your needs.

THE BATTERY FINISHING LINE EXPERT

CMWTEC offers complete solutions for battery production—ranging from stand-alone machines and fully automated lines to advanced testing equipment and smart handling systems. Our modular approach enables flexible configurations and seamless integration into existing processes. With the DataManager software, we also provide digital tools for process control, traceability, and production data management. From assembly to end-of-line testing, CMWTEC delivers efficient technology for the entire battery production workflow.

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Frequently asked questions

Which batteries does the ECO Line volumetric filling machine fill?

It fills sulphuric acid into automotive car and truck batteries from 20 to 70 kg, at up to 6 batteries per minute depending on fill volume. The machine is a single station.

How does the flow meter control the fill volume?

The fill volume is pre-selected. While the filling heads sit in the filling holes, a flow meter controls the volume, and when the pre-selected volume is reached, the fill stroke rises and the next battery is fed in. The filling accuracy is ±1% of the volume.

How does the machine connect to the finishing line?

Batteries arrive on the conveyor of the finishing line and are positioned exactly under the filling unit by a fixed stopper system. The machine connects to the acid supply system of the factory, and its construction is 100% acid resistant.

How does it differ from the Premium Line machine?

Both fill up to 6 batteries per minute with an accuracy of ±1% of the volume. On the ECO Line machine, battery heights are adjusted by a vertical spindle. The Premium Line machine has a servomotor-controlled height unit and a servo-driven up and down movement.

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Ready to optimize your manufacturing with advanced automation? We’re here to support you. Whether you’re curious about our products, need expert advice, or want tailored solutions for your production, reach out today. Let’s explore how we can achieve your goals together.

Latest Events

ELBC 2026 Talk: Highly Efficient Modular Machine Design for AGM and SLI Battery Lines

Get Insights from the latest ELBC in Vienna! Contact us for a meeting at the next upcoming event for a live presentation and more!

Air Leak vs. High Voltage Leakage Test: Which Battery Leak Test System Do You Need?

Get Insights from the latest ELBC in Vienna! Contact us for a meeting at the next upcoming event for a live presentation and more!