We offer 2V, 4V, 6V, 8V, 12V VRLA maintenance-free battery. Capacity from 1.2 to 3000AH. Features: 1. Maintenance-free operation, no addition of water required; 2. Valve-regulated design, greater than 99% gas recombination efficiency during charging; 3. AGM = absorbing glass mat technology in which the electrolyte is fully absorbed-no free electrolyte; 4. Heavy duty grids giving high performance and long life; 5. Wide range of operating temperatures with temperature regulated voltage compensation; 6. Very good charging efficiency; 7. High cyclability; 8. Extended shelf life at low self-discharge level, approximately 3% per month. 12V7AH 151*65*95mm Weight: 2.3KG 12V100AH 407*173*240mm weighit:32KG.