Interstate AGM deep-cycle batteries will typically run you about 170 per unit. The AGM deep-cycle batteries are only sold in 6-volt options and provide a 225 A/H load for 20 hours. To calculate how much reserve power you need, and thus which battery to use, check out our Calculator for Sizing a 12 Volt Battery to a Load. For a deep cycle, some batteries (deep cycle, ONLY) can be taken down to as low as 2-volts, and be recovered with what is deemed a deep cycle recovery, which is to cut the charge amperage to 1/2 the maximum (in our prior example, this would be 12.5 amps at 14.5 volts) for 3-5 hours.until you raise the potential voltage back to 10.5 volts. While Interstate does sell golf cart batteries in 6-volt, 8-volt, and 12-volt options, the AGM deep cycle battery is only offered in 6-volts. In general, a 6-volt battery can last up to 8 years, particularly if you are using a deep cycle battery. For more information about Amp Hours, find out how it relates to battery capacity. For deep cycle batteries, the larger the case size the more capacity the battery will usually have. These would be pure deep cycle batteries not marine or dual use batteries. While the BCI does not determine the Amp Hours (AH) rating for the batteries, there is a correlation between case size and AH rating. Concerning deep cycle batteries would 2 6 volt batteries in series have more charge discharge cycles available versus 2 12 volt batteries in parallel for a travel trailer or fifth wheel use. This is important as some applications call for specific case sizes. Deep cycle batteries produce ongoing, lower yet consistent, levels of power. These numbers define the physical dimensions of the battery case. Regular car batteries produce a shorter burst of electricity. When the battery is generating power, it is discharging as it does so. Each cell has a positive terminal and a negative terminal. And each cell contains a mixture of sulfuric acid and water (in varying degrees). These numbers are referring to the Battery Council International, or BCI, Group Number of the battery. Each 12-volt battery contains six (6) cells. Are you looking for a marine, RV, automotive, or solar PV battery? You may have heard common terms like a " group 24 battery" or "type 27 marine battery." Then our battery group size chart below may come in handy to help you find the right deep cycle battery. Brief summary as to why two 6 volt batteries are better for dry camping than one or two 12 volt deep cycle batteries.
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