LiFePO4 Batteries
Lithium iron phosphate battery configurations.
LF Series
2U rack-mounted UPS with LiFePO4 batteries, pure sine wave output and an output power factor of 1.0.

Lithium iron phosphate battery configurations.
Rated output power of 1kW, 2kW or 3kW.
Rack-mounted chassis measuring 380 × 438 × 88 mm.
Multifunction LCD status display and control panel.
1–8A for standard UPS; 1–12A for external battery UPS.
RS232 and USB standard; AS400, RS485 and SNMP optional.
The LF Series includes 1kVA, 2kVA and 3kVA lithium rack UPS models, with standard and external battery configurations. All models use LiFePO4 battery technology and a 2U rack chassis.
Standard models have a specified battery capacity of 960Wh. The 1kVA model offers 24V, 36V or 48V battery options. Compare the model-specific battery and physical specifications below.
Compare all LF Series models at a glance.
Swipe horizontally to compare all models.
| Parameter | LF1KR | LF2KR | LF3KR |
|---|---|---|---|
| General | |||
| Rated capacity / power | 1KVA/1KW | 2KVA/2KW | 3KVA/3KW |
| Installation | Rack-mount | ||
| Input | |||
| Nominal input voltage | 100/110/115/120/127VAC or 200/208/220/230/240VAC | ||
| Input frequency | 44–56 Hz or 54–66 Hz (default) | ||
| Input power factor | ≥0.999 | ||
| Wiring | L+N+PE | ||
| Input voltage range (200–240V models) | 110–300 VAC; power derating at 110–176 VAC and 280–300 VAC | ||
| Output | |||
| Output voltage | 100/110/115/120/127VAC or 200/208/220/230/240VAC | ||
| Voltage regulation (battery mode) | ±1% | ||
| Frequency synchronization range | 44–56 Hz or 54–66 Hz (default) | ||
| Output power factor | 1.0 | ||
| Harmonic distortion | ≤3% THD (linear load); ≤6% THD (nonlinear load) | ||
| Transfer time | 0 | ||
| Waveform | Pure sine wave | ||
| Overload capacity (line mode) | 30 min at 102–110%; 10 min at 110–130%; 30 s at 130–150%; 200 ms at >150% | ||
| Overload capacity (battery mode) | 1 min at 102–110%; 10 s at 110–130%; 3 s at 130–150%; 200 ms at >150% | ||
| Battery | |||
| Battery type | LiFePO4 (lithium iron phosphate) | ||
| Charging current | 1–8 A (adjustable) | ||
| Battery voltage | 24 / 36 / 48VDC | 48VDC | |
| Battery capacity | 960 Wh | ||
| Efficiency | |||
| Mains power mode | 94.5% | 95.5% | |
| Battery mode | 87.5% | 89.5% | 91.5% |
| Communication | |||
| Control panel | Multifunction LCD status display and control panel | ||
| Standard interfaces | RS232 / USB | ||
| Optional interfaces | AS400 / RS485 / SNMP | ||
| Environment | |||
| Operating humidity | 20–95% RH (non-condensing) | ||
| Noise at full load (1 m) | <50 dBA at 1 m | ||
| Operating temperature | −25–55°C | ||
| Physical | |||
| Dimensions (L × W × H) | 380 × 438 × 88 mm (2U) | ||
| Net weight | 11.2 kg | 14.2 kg | 14.5 kg |
Swipe horizontally to compare all models.
| Parameter | LF1KRS | LF2KRS | LF3KRS |
|---|---|---|---|
| General | |||
| Rated capacity / power | 1KVA/1KW | 2KVA/2KW | 3KVA/3KW |
| Installation | Rack-mount | ||
| Input | |||
| Nominal input voltage | 100/110/115/120/127VAC or 200/208/220/230/240VAC | ||
| Input frequency | 44–56 Hz or 54–66 Hz (default) | ||
| Input power factor | ≥0.999 | ||
| Wiring | L+N+PE | ||
| Input voltage range (200–240V models) | 110–300 VAC; power derating at 110–176 VAC and 280–300 VAC | ||
| Output | |||
| Output voltage | 100/110/115/120/127VAC or 200/208/220/230/240VAC | ||
| Voltage regulation (battery mode) | ±1% | ||
| Frequency synchronization range | 44–56 Hz or 54–66 Hz (default) | ||
| Output power factor | 1.0 | ||
| Harmonic distortion | ≤3% THD (linear load); ≤6% THD (nonlinear load) | ||
| Transfer time | 0 | ||
| Waveform | Pure sine wave | ||
| Overload capacity (line mode) | 30 min at 102–110%; 10 min at 110–130%; 30 s at 130–150%; 200 ms at >150% | ||
| Overload capacity (battery mode) | 1 min at 102–110%; 10 s at 110–130%; 3 s at 130–150%; 200 ms at >150% | ||
| Battery | |||
| Battery type | LiFePO4 (lithium iron phosphate) | ||
| Charging current | 1–12 A (adjustable) | ||
| Battery voltage | 24 / 36 / 48VDC | 48 / 72VDC | 48 / 72 / 96VDC |
| Efficiency | |||
| Mains power mode | 94.5% | 95.5% | |
| Battery mode | 87.5% | 89.5% | 91.5% |
| Communication | |||
| Control panel | Multifunction LCD status display and control panel | ||
| Standard interfaces | RS232 / USB | ||
| Optional interfaces | AS400 / RS485 / SNMP | ||
| Environment | |||
| Operating humidity | 20–95% RH (non-condensing) | ||
| Noise at full load (1 m) | <50 dBA at 1 m | ||
| Operating temperature | −25–55°C | ||
| Physical | |||
| Dimensions (L × W × H) | 380 × 438 × 88 mm (2U) | ||
| Net weight | 5.6 kg | 8.6 kg | 8.9 kg |
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