本发明尤其涉及可更换的手持式工具机蓄电池单元（10），它具 有一个用于使该蓄电池单元充电的耦合单元（12，50）。
The invention especially relates to a removable hand tool battery unit (10) comprising a coupling unit (12, 50) for charging the same.
经过测试表明，航空蓄电池智能充放电系统监控单元在测量精度，以及准确度上都能满足实际应用的要求。
Tests showed that measurement precision and accuracy of the monitoring unit in aircraft battery smart charging and discharging system can meet the requirements of practical applications.
通过配置容量合适的蓄电池-超级电容器混合储能单元，可以提高风光互补发电系统供电的连续性和可靠性。
Through allocating suitable capacity of battery-ultracapacitor hybrid storage unit, the continuity and reliability of wind-solar complementary generation system could be improved.
应用推荐