Board Thread:Theories and Speculation/@comment-25139119-20150807165411/@comment-25122992-20150808145934

In other words, every tailed beast can give Naruto it's chakra any time. Because Naruto is able to speak them via his subconscious, he can simply ask them personally for their chakra if it's needed, and he'll get it no matter how far he's from the TB itself.