https://www.batteryone.co/detail/1736324/MD528LL/A*
16.5Wh/4440mAh MD528LL/A* Battery for Apple iPad Mini 1st gen (Model MD528LL/A*) by Batteryone.co
The Apple MD528LL/A* battery for Apple iPad Mini 1st gen, capacity of 16.5Wh/4440mAh. 12 Months Warranty. 100% compatible. Long running time.