Battery model: DJM1238 Rated voltage (V): 12 Capacity C-20(Ah):40 Dimensions: length X width X total height: 197x165x170 Terminal form: T6 Weight (kg): 12.2 Application areas: Uninterruptible power supply, electronic energy system, emergency backup power supply, emergency light, railway signal, aviation signal, security system, electronic equipment and equipment, communication system power supply, DC power supply, automatic control system Features: 1. Long-term discharge characteristics. 2. Suitable for backup and energy storage power supply. 3. Special plate design, long cycle life. 4. ¡El special lead-calcium alloy formula enhances the corrosion resistance of the grid and prolongs the service life of the battery. 5. ¡El special separator enhances the internal performance of the battery. 6. Large heat capacity reduces the risk of thermal runaway, is not easy to dry out, and can be used in harsh environments. 7. High gas recombination efficiency. 8. There is very little water loss and no electrolyte stratification. 9. Long storage period. 10. Good deep discharge recovery performance. 11. ¡El use of fumed silica has small particle size and large specific surface area.