pick from the following. (1). Recharge the battery one last time. Make sure it's hot to warm to touch before charging it again.; (2). Plug the rc battery in to the dishwasher. Throw it a couple hundred meter safe, flat area.; (3). 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.; (4). Most people lose their rc battery within twenty minutes of doing anything difficult or drastic that requires them to disconnect it from the power source. This can happen even after the battery is simply removed from the power source.;Choose from options above and answer: 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.
Answer:
(3).