Deep Cycle Batteries, Open top, Flooded, Wet cell, call them what you like. The older style of cycling battery which still has it purposes today in many applications. House, Solar, Bach, Marine, Stand-by, Cycling, RV, Camper, Camping -wherever DC power supply is required. Open top batteries breath much easier than their new sealed counter-parts, so if you have HEAVY loads and or your batteries take a pounding it is preferable to use this older technology combined with user maintenance.
This section is 2v, 6v + 8v batteries