Google Nexus 7 Tablet Replacement Battery (2nd Generation 2013) FREE Tool Kit: All the tools described in the video and necessary to replace the battery are provided with the new screen at no extra charge. Compatibility Guarantee: If the battery we ship to you is incompatible, we will pay return shipping for the original battery and send the replacement battery at no cost. FREE Email Technical Support: If you run into problems during installation, send us email and we'll help you solve the problem. Easy Returns: If the problem is not with the battery or you decide you don't need the battery, just send the battery back in original condition and packaging and we'll refund 100% of the screen cost. No Restocking Fee.