Product Related parameters: • Work temperature: Subzero 20degree to 60degree • Self-Discharge: 2-3% of capacity declined per month at 25 ℃ (average) • GB12 30% DOD Cycle use 25℃: over 1200 times / 50% DOD Cycle use 25℃: Over 700 times • GB12 Float service life: ≥ 10Years more...