As a big battery manufacturers in China,we supply many different kinds of batteries,such as the lead acid AGM battery,Gel battery,AGM deep cycle battery,Gel deep cycle battery,OPzV battery,OPzS battery ..etc .The following is our OPzV Battery 2v600ah features :Â 1.Completely sealing throughout the batteries life.2.Service life up to 18-20 years in continuous float operation down to approx 80% capacity.3.Gel electrolyte.4.Low gassing thanks to antimony-free alloy and internal oxygen recombination.5.Minimum space required and room requirements are minimal e.g. no washing facilities needed, ventilation requirements are minimal.6.Easy to move and handle.7.Easy install using cable connectors with insulated terminal covers.8.Ready for immediate use without further commissioning work.9.Can be supplied as a standard vertical installation or by special request, for a horizontal installation.10.Very low self-discharge