Go to Amazon Sites : br br Replacement Battery Samsung Chromebook 303C br br 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 br FREE Email Technical Support If you run into problems during installation send us email and well help you solve the problem br Easy Returns If the problem is not with the battery or you decide you dont need the battery just send the screen back in original condition and packaging and well refund 100 of the battery cost No Restocking Fee