A. Ionic’s “Deep Cycle�?batteries have legitimate lithium capacity rating at 1C discharge price this means a 12Ah “Deep Cycle�?lithium-ion battery should be able to provide 12A for 1 hour. However, most lead-acid batteries Possess a 20hr or 25hr rating printed for its Ah capacity meaning the identical 12Ah direct-acid battery https://nuranu.com/products/lithium-ion-battery/21700-lithium-ion-battery/