Description
Specifications
General Information
- Brand: SITEK
- Model: BT-12M4.5AC
- Battery Type: Sealed Lead-Acid (AGM, Maintenance-Free)
- Nominal Voltage: 12V DC
- Rated Capacity: 4.5Ah
Physical Characteristics
- Dimensions (L × W × H): 100 × 48 × 96 mm
- Weight: Approx. 1.3 kg
- Housing Material: High-strength ABS engineering plastic
- Flame Retardant Rating: UL94-V0
- Terminal Type: Clearly marked positive (+) and negative (–) terminals
Electrical Performance
- Charging Method: Standard float charging
- Charging Time: Approx. 6–8 hours (to full charge)
- Float Charge Protection: Supported (prevents overcharging)
- Cycle Life: ≥ 300 charge/discharge cycles (under normal conditions)
- Parallel Connection: Supported (for capacity expansion)
Environmental Specifications
-
Operating Temperature Range:
- Discharge: –15 °C to +40 °C
- Storage Characteristics: No leakage or swelling under normal temperature variations
Safety & Reliability
- Maintenance-free design (no electrolyte replenishment required)
- Sealed structure to prevent leakage
- Stable output suitable for critical low-power systems
Typical Applications
- Elevator access control systems
- Gas leakage alarm systems
- Surveillance cameras (low-power IP cameras)
- Small speakers and broadcasting systems
- Smart home control units
- Emergency backup power for 12V DC devices
Backup Performance (Typical Use)
-
Elevator access control system:
- Backup operation ≥ 8 hours during power outage (depending on load)
-
Small speaker system:
- Approx. 3 hours of continuous playback at medium-high volume
Compatibility
- Suitable for most 12V DC low-power devices
- Designed for residential, commercial, and industrial backup power applications