Voltronic Power Otima II Tower

Voltronic Otima II Tower

Discover Voltronic Power's Otima II Tower UPS with voltage options of 110-240 VAC and precise regulation for reliable power backup.

  • Voltage: 110-240 VAC
  • Voltage Range: 81-290 VAC
  • Frequency Range: 50/60 Hz (Auto sensing)
AED 1,600incl. VAT

In stock

Full SpecificationsDownload datasheet (PDF)

Voltronic Otima II Tower features

Pure sine wave

Output power factor 0.9

Programmable power management outlets

ECO (Efficiency Corrective Optimizer) operation

ECO (Efficiency Corrective Optimizer) operation for energy saving

Very high efficiency in battery

Very high efficiency in battery mode

Boost and Buck AVR for

Boost and Buck AVR for voltage stabilization

Multiple communications available

3-stage smart battery charging control

Optional HID Power Device USB

Optional HID Power Device USB Port

About the Voltronic Otima II Tower

The Otima II UPS by Voltronic Power is engineered to deliver exceptional power backup with voltage options ranging from 110 to 240 VAC. Its precise voltage regulation ensures stability and reliability, making it an ideal choice for safeguarding your critical equipment. The Otima II is perfect for use in home offices, small businesses, and IT environments where reliable power backup is essential to protect sensitive electronics from power disturbances.

Specifications last updated 23 July 2026

Voltronic Otima II Tower full specifications

Electrical

Voltage110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 208/220/230/240 VAC
Acceptable Voltage Range81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 81-152 VAC or 162-290 VAC / 162-290 VAC
Frequency Range60/50 Hz (Auto sensing)
Output Voltage110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 110/115/120/127 VAC or 208/220/230/240 VAC / 208/220/230/240 VAC
Voltage Regulation (Batt. Mode)±1.5 % (Before battery alarm)
Frequency Range (Batt. Mode)50 Hz or 60 Hz ± 1 Hz
Current Crest Ratio3:1
Harmonic Distortion2% max @ 100% linear load, 5% max @ 100% non-linear load (before low battery alarm)
Transfer TimeTypical 2-6 ms, 10ms max.
Waveform (Batt. Mode)Pure Sinewave
ECO Mode97%
Buck & Boost Mode95%
Battery Mode>= 88%, up to 90% @ nominal battery voltage / >= 89%, up to 91% @ nominal battery voltage for 110/115/120/127 VAC / >= 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / >= 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / >= 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / >= 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC / >= 91%, up to 92% @ nominal battery voltage for 208/220/230/240 VAC
Battery Type and Quantity12 V/7 Ah x 2 / 12 V/9 Ah x 2 / 12 V/7 Ah x 2 / 12 V/9 Ah x 4 / 12 V/9 Ah x 4 / 12 V/9 Ah x 6 / 12 V/10 Ah x 6
Charging Current (max.)1.5A
Charging Voltage27.4 VDC ± 1% / 54.8 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1% / 82.1 VDC ± 1%
Typical Recharge Time4 hours recover to 90% capacity
Smart RS-232/USBSupports Windows® 2000/2003/XP/Vista/2008, Windows® 7/8/10, Linux and MAC
Optional SNMPPower management from SNMP manager and web browser
Battery Mode>= 88%, up to 90% @ nominal battery voltage

Mechanical

Dimension, DxWxH(mm)397 x 145 x 220 / 455 x 145 x 220 / 421 x 190 x 318 / 421 x 190 x 318 / 421 x 190 x 318 / 421 x 190 x 318 / 421 x 190 x 318
Net Weight (kgs)11.7 / 12.1 / 17.2 / 19.7 / 26.6 / 29 / 34.5
Weight11.7 / 12.1 / 17.2 / 19.7 / 26.6 / 29 / 34.5

Environmental

Full ProtectionOverload, discharge, and overcharge protection
Humidity0-90 % RH @ 0- 40°C (Non-condensing)
Noise LevelLess than 45dB
Altitude0~3000m, 10% de-rating for over 1000m

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