Excavator Electrification: Battery or Tethered Power? Decide with Confidence

July 14,2026      51cm.com

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Content Validity:Hello there, construction tech enthusiasts! Oil to electric conversions are all the talk of the town, but which one is right for you: battery-powered or tethered electric? Let's dive into the details. Let's start with battery-powered excavators. They're all about flexibility. With an onboard battery pack, you can go anywhere a diesel machine can. Take Tianyuan Technology's conversion of a Komatsu PC240 as an example, using CATL's 4th generation 365-degree integrated battery system. It offers 6 to 10 hours of operation, reducing fuel costs by 65%. However, there's a trade-off - the conversion costs around 400,000 yuan, which is a bit more expensive than tethered options. Now, let's talk about tethered electric excavators. They're the budget-friendly choice. No battery means lower conversion costs and stable electricity prices. They're ideal for fixed-site operations. Tianyuan Technology ensures performance matches the original engine with their VCU vehicle control system. But, there's a downside - you're tied to a power source. So, which one should you choose? It depends on your operation. Battery versions are great for large, scattered worksites or unstable power conditions. Tethered versions excel in fixed, long-term operations with available power lines. In conclusion, there's no one-size-fits-all solution. It's about what fits your needs and worksite conditions. Both have their place in the evolving world of construction machinery. For a detailed assessment, reach out to the experts. Your equipment is your livelihood, so choose wisely!