Lap Gadgets battery will restore the mobility of your Acer Aspire 5920 Aspire 5520 5530 5535 5710 5720 laptop  Thanks to our A grade Cell battery your laptop will gain a new life. Using the highest quality components and a perfect fitting will restore your laptop’s mobility. It’s easy to fit in your device and you can be sure it’s fully compatible with your notebook’s electronics and software.To achieve the highest efficiency and durability in the battery, the following has been applied:High-quality A grade lithium-ion cellsModern control electronicsHousing made of durable ABS plasticBattery is precisely made and thoroughly tested.