din state power efficiency de?

gt~u scroll down..bt i dunno hw to c~

i just saw input output nia~

假货！ 没写power efficiency ~ xD

hanvetan: i dunno liao><

ccwei91: groupon 也会卖假货？？

groupon 只是一个中介而已嘞 东西又不是他卖的

What is power efficiency

huiwon91: let say power bank gv out 1000ma,den how much cn successfully charge into device~

normally impossible to be 100% de~80% is good enough dy

hanvetan: possible for 120%?

ivanlsy: