Battery model: DJW12-4.0 Rated voltage (V): 12 Capacity C-20(Ah): 4.0 Dimensions (mm): length X width X total height: 90X70X107 Weight (kg): 1.45 Terminal form: T1 T2 Application areas: 1. Multipurpose 2. Uninterruptible power supply 3. Electronic energy system 4. Emergency backup power 5. Emergency lights 6. Railway Signals 7. Aviation Signals 8. Security system 9. Electronic equipment and equipment 10. Talking system power supply 11. DC power supply 12. Automatic control system Product 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.