专利汇可以提供PORTABLE SELF-CONTAINED ELECTRIC POWER TOOL专利检索,专利查询,专利分析的服务。并且The invention relates to a portable self-contained electric power tool unit, such as, for example, secateurs, chainsaw, fruit harvesting tool, strimmer, jackhammer or similar, comprising at least three distinct sub-assemblies. The tool is characterised in that the second sub-assembly (3) may be carried by the user and comprises a lithium-ion or lithium-polymer electrochemical battery (5) formed by combination of more than four cells (6) in series, each cell being made of one or several elements in parallel and a control and operating module (7) for the battery (5), guaranteeing a maximum battery capacity over time in a controlled manner and an optimal use of the tool. The first sub-assembly (2), during operation thereof, is subject to control by a current-limiting system (8), for preserving the lithium-ion or lithium-polymer battery (5) from which the above draws energy and the third sub-assembly (4) comprises at least one source of electrical supply, the voltage and current of which are suitable for the recharging of the lithium-ion or lithium-polymer battery (5).,下面是PORTABLE SELF-CONTAINED ELECTRIC POWER TOOL专利的具体信息内容。
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