So that you do not run out of juice so quickly, these replacement batteries are available especially for the Inkjecta Flite X1. They are quickly rechargeable thanks to Li-Ion technology, and are particularly light and powerful. They are available in 2 versions: 900mAH for approx. 4 hours runtime and 2040mAH for approx. 8 hours runtime.
With the EFEST charger they can be quickly recharged and made ready for use.