This battery is designed to enjoy optimum performance withyour&nbsp;Xiaomi&nbsp;device. With it your device will be poweredlonger and the battery will sustain a greater amount ofcharge.&nbsp;This Lithium Ion (Li-Ion) replacement batteryfrom&nbsp;Xiaomi&nbsp;is always guaranteed to charge to the optimumlevel. The battery case mould is elegantly styled and great carehas been taken to ensure that the design from the original handsetis matched. This replacement battery has been manufactured usingonly the highest quality cells.&nbsp;<br style="margin: 0px; padding: 0px; color: rgb(64， 64， 64); font-family: Helvetica， Arial， sans-serif; font-size: 12px; widows: auto; line-height: 19px;">The battery life of a handset can vary greatly depending onhow you use your device and your battery charging habits. If yourdevice is running out of battery quickly， or takes a long time tostart up (or even does not start up at all)， then you may need areplacement battery.<div></div>