First of all you should use the original AC adapter in your laptop. The first use of the battery, the battery voltage may be too low, you need to recharge the standby 06 to 08 hours before normal use.Ģ. If you are still not sure after a comparison, please contact us.ġ. Make sure the macbook model, battery model and year is the right one you need. Please firstly compare the picture, model & year with your existing battery before you place an order. Warranty : 06 Months(180 days) cash back*.Safeguard : Against incorrect voltage, short circuit, internal overheating.Product Condition : Brand new & Original(Real capacity, high quality cells, longer life cycles, convenient to use).Backup time : Depends on your consumption and usages.Cell Chemistry : Lithium-Polymer(Li-Polymer).Compatible Battery Model Number : A1185.Fit for : MacBook 13″ Laptop Model: A1181.