Four Notes to buy the battery
1. First of all, you should select the battery type and size specifications in accordance with the requirements of electrical appliances . For example,the Walkman and razor can choose alkaline zinc-manganese batteries; electronic clock and torch lighting use an ordinary zinc-manganese batteries in general.
2. Look out the battery production date and shelf life ,you should buy the batteries recently produced, for those which the batteries use the code indicated that the shelf life , consumers generally difficult to identify, they should ask vendors.
3.Pay attention to seeing the appearance of the battery ,you should buy the appearance which is neat and clean, no signs of battery leakage.
4. Batteries produced trademark should be marked on the maker, battery polarity, the battery model, nominal voltage, trademarks and so on.