Specifications:<br><br> Battery Type: Li-ion<br> Voltage: 15V<br> Capacity:53WH<br> Color:Black<br> 12-Months Warranty.<br> 1 X AP13B3K Laptp Battery<br> 2 X Free Screwdrivers<br><br> Note:<br><br> Please make sure this battery suit for your laptop before place an order. If you can not make sure that, please contact with us freely.<br><br> Compatible Part Number :<br><br> AP13B8K AP13B3K AL13B8K 41CP6/60/78, 4lCP6/60/80, 2217-2548<br> KT.00403.013, KT.00403.015, KT.00403.018, KT.00403.035, KT.0040G.001<br><br> Compatible with Models:<br><br> For Acer Aspire R7 R7-571 R7-571G R7-572 R7-572G Notebook Series<br> For Acer Aspire V5 Notebook Series<br> For Acer Aspire V5-572P Notebook Series<br> For Acer Aspire V5-572G Notebook Series<br> For Acer Aspire R3-471 Notebook Series<br> For Acer Aspire M5-583P Notebook Series<br><br> Laptop battery instruction manual:<br><br> 1. The new battery need to charge and discharge 3-4 cycles before, takes about 7-8 hours in order to activate lithium ion fully to maximun space.<br> 2. Please don't discharge to the computer power off, otherwise it may be damaged easily and may not be charged fully.<br> 3. If you connect external power to use for a long time, please remove the battery.<br> 4. If you do not use battery for a long time, make sure to charge more than 80% electricity every month<br><br>