| Model | Best-700 | Best-800 | Best-1000 | Best-1200 | Best-1500 |
| Power Rating | 700VA | 800VA | 1000VA | 1200VA | 1500VA |
| (Watt) | 420W | 480W | 600W | 720W | 900W |
| Input | |
| Voltage | 220Vac+/- 20% , 220Vac +/- 25% (Option) |
| Frequency | 50Hz +/- 10% |
| Output | |
| Battery mde Viltage | 220Vac +/- 5% (Battery Mode) |
| Frequency | 50Hz +/- 0.1% |
| Transfer time | 2ms |
| Wave From | Sine Wave (mai |
| Back up time | 10-30 minutes (Depend on Load) |
| System | |
| Charger System | Contant Voltage & Current Limit |
| Recharge time | After fully discharge,charge 8 hours to 90% capacity |
| Battary Type | Sealed Lead - Acid Maintenance Free Battery |
| | |
| Protections | |
| Over Voltage | Protect to 220Vac + 25% (275Vac) |
| Under Volgate | Protect to 220Vac - 25% (165Vac) |
| Surge Protection | 320 Joules |
| Input Protection | Compliance with IEEE 587 |
| Output Protection | Short circuit Protected |
| Overload Protection | Shut Down (Battery Mode) |
| Tel/Fax line Protecrion | YES (Option) |
| No load Shutdown | YES (Option) |
| Temperature | |
| Humidity | 0 - 95% (Non-Condensing) |
| Audible Noise | < 40 dBA (At 1 Meter) |
| Alarm & Indicator | |
| AC Normal Mode | Green LED on , Red LED off , no beep |
| Battary Mode | Green LED & Yellow LED off , Red LED flash , Buzzer slow beep |
| Battary Low | Red LED on , Buzzer beep twice every second |
| Battary Charging | Battery Yallow LED on |
| Over Temperature | Red LED on , Buzzer beep 6 time every second |
| Over load | Red LED on , Buzzer beep 4 time every 2.4 secord |
| Short circuit | Red LED on |
| Communication | RS232 , USB (Option) |
| Dimensions | |
| | 95 x 132 x 158 mm. | 124 x 372 x 223 mm. |
| | 6 Kg. | 6.3 Kg. | 6.8 Kg. | 12.8 Kg. | 13 Kg. | 13.5 Kg. |
| Standard | |
| Manufacturing | ISO 9001 : 2000 |
| Product Standard | มอก. 1291 - 2545 |