A. Ionic’s “Deep Cycle�?batteries have real lithium ability rating at 1C discharge charge that means a 12Ah “Deep Cycle�?lithium-ion battery can supply 12A for 1 hour. On the other hand, most lead-acid batteries have a 20hr or 25hr score printed for its Ah ability meaning exactly the same 12Ah lead-acid https://nuranu.com/products/lifepo4-battery/32650-lifepo4-battery/#top