> For the complete documentation index, see [llms.txt](https://tronex.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tronex.gitbook.io/docs/faq.md).

# FAQ

#### How much energy do I need?

* One transaction to a wallet with USDT: 65,000 energy
* One transaction to a wallet without USDT: 131,000 energy
* Multiple transactions: Add up the required energy for each transaction

#### How long should I buy energy for?

* Single transaction: 1 hour
* Regular transactions: 3, 7, or 14 days

#### Can I use TRONEX ENERGY for other tokens on the TRON network?

Yes. TRONEX ENERGY works with all TRON network tokens, including TRX, USDT, USDC, and more.

#### What happens to unused energy?

Any unused energy stays in your wallet until the rental period ends. Once it expires, it’s automatically returned to the system.<br>