End of the World Cup , What did we harvest ？

End of the World Cup 2014 in Brazil ,Everyone knows that German team won the championship , We congratulate them ！Our laughter and tears are for it .
Do you use dry cell ? If the battery is taken for a long time , Do you know that it is lower power or need to replace ? This will be a trouble thing for discriminant . Ok , don't worry ! I recommend a kind of tester Tool . It will be able to help you well . Brand New Digital Battery Tester BT-168D Checker Tool
http://www.htic-tool.com/brand-new-digital-battery-tester-bt168d-checker-tool_p871.html