| 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 |