Explore even further, and always have a battery ready to go. If you want to make really long trips, or won’t have time to charge the battery you’ve used properly, then this is an ideal extra.
And of course, sometimes the worse does happen. We’re confident that the battery can put up with the rigours of the real world, but sometimes disaster can strike. So if it does, a replacement battery will have you back up and running. So you can explore again.