Please check compatibility before purchasing. Compatible Models: 121500171 | 121500172 | 121500173 | 121500174 | 121500175 | 121500176 | 90202869 | L12L4A02 | L12L4E01 | L12M4A02 | L12M4E01 | L12S4A02 | L12S4E01 | G400s | G40-30 | G40-45 | G405s | G40-70 | G40-70M | G410s | G50 | G500s | G50-30 | G50-45 | G505s | G505s | G50-70 | G50-70A | G50-70M | G50-75 | G50-80 | G510s | G510s S410p | S410p | S435 | S510p | S510p | Z40 | Z40-70 | Z40-75 | Z50 | Z50-70 | Z70 | Z70-70 | Z70-80 | Z710. Designed For :Compatible Part Numbers:L12M4E01 | L12L4A02 | L12L4E01 | 121500176 | 121500171 | 121500175 | 121500174 | 121500173 | L12S4E01 | 121500172 | L12S4A02 | 90202869 | L12M4A02 ~Brand Name :WISTAR. Feature 1 :Battery Use Tip: 1. if it possible then remove a charged battery when your device is plugged in. 2. If possible then try to use energy - saving settings on your electronics. 3. Charge fully your new lithium - ion battery for the first three cycles. 4. Avoid exposure to extreme temperatures also your battery can die if there will to fast temperature changes from low to high. 5. Always use the proper ac adapter charger for your device.