Reminder1.For using a new battery, you'd better try a few cycles of discharging to 5% ,then charging up to 95%.2.Do not always run out of a battery to 0%,this would make it damaged or usage life shortend.3.Do not put away a battery for a long time(more than 2 months),this would cause cells inside of a battery losing balance,the battery will not be charged up again or its lasting time shortens,so do charge a battery at least one time within two months. 4.Choose a correct laptop adapter.5.Do not disassemble,crush or puncture.do not short external contacts.do not dispose of in fire or water.Shipment1. As battery belong to sensitive good in the shipping way,some countries can not ship it due to the police change .This is only can be shipped out via Post NL, China Post ,Seller's Shipping Method or Express,you can check the shipment status on internet(17 track. net ). The shipment usually takes 7-30 business days depend on delivery country holiday,weather,post working time etc. If item urgently, please contact us for detail before purchase.2.If your confirmation time is coming, you still haven’t receive the goods, please contact us, we will extend the delivery date at the first time.3.Please don't open the dispute within 65 days. If after 65 days you still do not receive the goods, please contact us we will give you best solution.