SLA - Sealed Lead Acid This is the conventional RV or automotive battery, but doesn't require the regular addition of water in normal operations.
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Deep Cycle A version of the lead acid battery that is tolerant of using more of the battery's capacity without damage to the cell structure. Often used in marine application like trolling motors, and most common in RVs.
Benefits: More capacity than standard SLA, more cycles without damage
Negatives: Same weight as SLA, same energy density as SLA

AGM - Absorbed Glass Mat
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Gel Cell
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LiOn - Lithium Ion
Benefits: Lighter per AmpHour, can be smaller than SLA, easier to parallel, internal battery management systems are common
Negatives: Expensive, require specific charging curve and temperature limits

LifePo4 - Lithium Ferrous Phosphate
Benefits: Lightest per AmpHour, can be smaller than SLA, easier to parallel, internal battery management systems are common
Negatives: Most Expensive, require specific charging curve and temperature limits

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