Google "battery distributor" plus your general regional location.<br><br>If 6v batteries, sams, costco, or even golf courses might have pallets delivered and can get some more on their next order.<br><br>12v deep cycles are difficult to acquire. Marine/RV/ trolling batteries are hybrids, but trolling batteries might, in some cases, be true deep cycles. In general true 12v deep cycles are 20 to 30% more $$$. If you are new to living from battery power, consider your first set of batteries to be learner batteries, which you will abuse to an early death. In such a case some Marine batteries can last just as long as Deep Cycles, but if you are able to promptly and fully recharge them, then deep cycles will give you longer better service.<br><br>Trojan, Crown, Deka all make true 12v deep cycles. You might be able to find distributors on their websites.<br><br>Best is to get a fresh battery as they have shelf lives, and few retailers bother to recharge them. They will self discharge 7 to 15% each month at 75f, So after 6 weeks or so, they are being damaged by sitting under 80% charged<br><br>Avoid batteries on special for this reason. They are old and sulfated with reduced capacity and lifespan even before purchase.<br><br>