BlackBerry Z10 Battery, MPJ 1800mAh LS1 LS-1 Replacement Battery For BlackBerry Z10 Z 10 BB10 [12-Month Warranty] MPJ Brand new Li-Polymer battery LS1 LS-1 Battery for BlackBerry Z10 Z 10 BB10 Best slim replacement for the original battery with comparable standby and talk time Use the authorized charger only Capacity : 1800mAh If you do not use the battery for a long time, please put it in a dry and cool place and make it full charged once every three months