# 能量知识库

- [什么是波场能量？](https://docs.catfee.io/energy/what-is-tron-energy.md)
- [为什么要租赁能量？](https://docs.catfee.io/energy/why-rent-energy.md): 节省资源、提高效率、安全可靠
- [如何解决“OUT OF ENERGY” 错误？](https://docs.catfee.io/energy/how-to-fix-out-of-energy-error-on-tron-transfers.md)
- [为什么不能用中心化交易所的钱包购买能量？](https://docs.catfee.io/energy/why-not-use-cex-wallet-to-buy-energy.md)
- [什么是中心化交易所？](https://docs.catfee.io/energy/what-is-centralized-exchange.md)
- [波场上转USDT需要多少能量？](https://docs.catfee.io/energy/usdt-transfer-energy-on-tron.md)
- [已经租赁了能量，为什么转账还是失败？](https://docs.catfee.io/energy/why-transfer-failed-after-renting-energy.md)


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