I have a 800mAh 2s lipo and it takes a long time to put it on storage from 100% charge. How long should it take? What exatly doesthe storage mode do? `Does it put bthe battery on 50% charge? Does it lower the Volts to half or the Ampers?

This is the charger im using:https://www.amazon.co.uk/SKYRC-E6650.../dp/B00PFVH2PA