... ! I mean, for everyday using it, it can work one year.Here we look, these two look almost same ... type. and the coil meter, now we can count, it is two more metal layer than Li type ... that, Y type electric resistance is lower!!!!Then we think, it is because thick metal coil works, the ... .com/product-fm/493605120-BUYER-adding-money-page-FREESHIPPING-FOR-ALL----------wholesalers.htmlIf you choose FAST ...