| Model | Champ RM 1K | Champ RM 2K | Champ RM 3K |
| Capacity | 1000 VA / 900W | 2000 VA / 1800W | 3000 VA / 2700W |
| Input Voltage Range | 120-300 VAC |
| Input Frequency | 40Hz ~ 70Hz |
| Power Factor | ≥ 0.99 @ Nominal Voltage (100% load) |
| Output Voltage | ± 1% (Batt. Mode) |
| Output Frequency Range | 47.5 Hz ~ 52.5 Hz or 57Hz ~ 63 Hz (Synchronized Range) 50 Hz ±0.25 Hz or 60 Hz ±0.3 Hz (Batt. Mode) |
| Current Crest Ratio | 3:1 |
| Harmonic Distortion | ≤ 3 % THD (Linear Load) ≤ 6 % THD (Non-linear Load) |
| Output Transfer Time (Typical) | Zero (AC to DC) 4ms (Inverter to Bypass) |
| Output Waveform (Batt. Mode) | Pure Sinewave |
| Battery Type & Number | 12V / 9Ah x 2 | 12V / 9Ah x 4 | 12V / 9Ah x 6 |
| Backup Time (One PC load@120W) | N/A |
| Typical Recharge Time (up to 90% capacity) | 4 hours |
| Indicators / AC Mode | ✔ |
| Indicators / Battery Mode | ✔ |
| Indicators / Battery level | ✔ |
| Indicators / Load level | ✔ |
| Indicators / Bypass mode | ✔ |
| Indicators / Fault | ✔ |
| Alarm / Battery Mode | Sounding every 4 seconds |
| Alarm / Low Battery | Sounding every second (Batt. Mode) |
| Alarm / Overload | Sounding twice per second |
| Alarm / Fault | Continuously sounding |
| Physical Dimension (mm) | 310x438x88 | 410x438x88 | 630x438x88 |
Physical Net Weight (kg) Standard Model | 12 | 19 | 29.3 |
| Output Outlet | 3*schuko | 3*schuko | 3*schuko |
| Operating Environment / Humidity | 20-90 % RH @ 0- 40°C (non-condensing) |
| Operating Environment / Noise Level | Less than 50dB @ 1 Meter |
| Management / Optional USB / RS-232 Port | Supports Windows® 98/XP/2000/Vista/7/8/10, Windows® Server 2000/2003/2008/2012/2016, Linux, and MAC |
| Optional SNMP | Power management from SNMP manager and web browser |