Despite this, one company thinks lithium-ion batteries can now be made robust enough to power some really big, demanding kit-such as tugboats, dockside cranes and super-yachts.

尽管如此，有公司认为现在已能生产出足够满足一些大型器械如拖轮，码头起重机，超级游艇等需要的强劲的锂离子电池。