Emergency Backup Battery EML-CTB-SP 12-7
Emergency Backup Battery EML-CTB-SP 12-7 features an automatic backup system with a maximum power output of 60W. It uses a 2-stage charging system to extend battery life. The unit is powered by a sealed maintenance-free battery, eliminating the need for distilled water refills throughout its service life


Key Features – Emergency Backup Battery EML-CTB-SP 12-7
Operating Condition | Provides emergency lighting only when the main power supply fails |
Input Voltage | AC 220V 50Hz (household power supply) |
Maximum Output Power | 60W |
Battery | Sealed maintenance-free battery (no distilled water required) |
Battery Capacity | 12V 7.5Ah |
Operating Duration | 30W / 3 hours |
Charging System | Two-level charging system: Level 1 – Charges battery up to 14.4V, then reduces to Level 2 – 13.75V to maintain stable battery voltage |
Current Limiting | Limits charging current to 450mA |
Charging Time | 12 – 18 hours |
Enclosure Material | Made of 1.0 mm electro-galvanized steel sheet, coated with epoxy powder for rust protection |
Protection System | AC fuse for input short-circuit protection, DC fuse for charging and load protection, and low voltage cut-off circuit to extend battery life |
Status Indicators | LED MAIN – shows input power status, LED CHARGE – shows charging status, LED BATT. FULL – shows battery readiness |
Switch Button | Manual On/Off button for emergency lamp operation only |
Emergency Test | Test button for emergency lighting system |
Weight | 4.2 kg |
Emergency Backup Battery EML-CTB-SP 12-5
Emergency Backup Battery EML-CTB-SP 12-5 features an automatic backup system with a maximum power output of 40W. It uses a 2-stage charging system to extend battery life. The unit is powered by a sealed maintenance-free battery, eliminating the need for distilled water refills throughout its service life


Key Features – Emergency Backup Battery EML-CTB-SP 12-5
Operating Condition | Provides emergency lighting only when the main power supply fails |
Input Voltage | AC 220V 50Hz (household power supply) |
Maximum Output Power | 40W |
Battery | Sealed maintenance-free battery (no distilled water required) |
Battery Capacity | 12V 5Ah |
Operating Duration | 20W / 3 hours |
Charging System | Two-level charging system: Level 1 – Charges battery up to 14.4V, then reduces to Level 2 – 13.75V to maintain stable battery voltage |
Current Limiting | Limits charging current to 450mA |
Charging Time | 12 – 18 hours |
Enclosure Material | Made of 1.0 mm electro-galvanized steel sheet, coated with epoxy powder for rust protection |
Protection System | AC fuse for input short-circuit protection, DC fuse for charging and load protection, and low voltage cut-off circuit to extend battery life |
Status Indicators | LED MAIN – shows input power status, LED CHARGE – shows charging status, LED BATT. FULL – shows battery readiness |
Switch Button | Manual On/Off button for emergency lamp operation only |
Emergency Test | Test button for emergency lighting system |
Weight | 3.7 kg |