Depends, you'll need to charge it for quite a while to turn it on 3.7V is minimal voltage to boot an iPad up and 4.1-4.4V is maximum charge voltage for battery.
+
+
+
+
You can use 3Utools from 3u.com on a windows computer once you got the iPad on to check the battery health.
Depends, you'll need to charge it for quite a while to turn it on 3.7V is minimal voltage to boot an iPad up and 4.1-4.4V is maximum charge voltage for battery.