A. Ionic’s “Deep Cycle�?batteries have legitimate lithium capacity rating at 1C discharge rate which means a 12Ah “Deep Cycle�?lithium-ion battery will be able to supply 12A for 1 hour. Then again, most direct-acid batteries Use a 20hr or 25hr score printed for its Ah potential this means the same 12Ah https://nuranu.com/products/lithium-ion-battery/18650-lithium-ion-battery/