What most naturally follows?

How to lengthen rc battery life
Wait at least 15-20 minutes after you drain a battery to charge it.
This allows the battery to cool down before each charge cycle.
Make sure the battery is cool to the touch before charging it again, but 15 minutes should be alright.
Know what is considered hot for a battery. If the battery is hot after use, then it is a good sign that your battery is getting old.