... deep cycle battery 1)Stability,Low self discharge,Long service life 2)Maintenance free,Low pressure 3)UL and CE test 100ah deep ... cycle battery1)Stability,Low self discharge,Long service life2)Maintenance ... operationSafety valve installation for explosion proofLow self-discharge characture range from -1050Lead Calcium Aluminum Tin ... % sealed lead-acid 100ah deep cycle battery