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1~3kVA Online Tower UPS

Please feel free to consult our professional technical team for model selection tailored to your specific application scenario.
 1~3kVA Online Tower UPS Specifications
Model & Rating
Item BTLS-1KVA BTLS-1.5KVA BTLS-1KVALi BTLS-2KVA BTLS-2KVALi BTLS-3KVA BTLS-3KVALi
Rated Power 1kVA/1kW 1.5kVA/1.5kW 1kVA/1kW 2kVA/2kW 2kVA/2kW 3kVA/3kW 3kVA/3kW
Operation 1P/1P Online Double Conversion
Cold Start Supported Supported Supported Supported Supported Supported Supported
Input Characteristics
Item Specification
Input Voltage Range 110~300VAC; 100% load @176~276VAC; 50% load @110~300VAC
Input Power Factor ≥0.99
Frequency Range 50/60Hz ±5Hz (default), ±3Hz (settable)
Output Characteristics
Item Specification
Output Power Factor 1
Rated Voltage 220/230/240VAC, 200/208VAC (PF=0.9)
Load Response ≤5% (0–100%–0)
Output Recovery Time ≤40ms (0–100%–0)
Output THDi ≤2% (linear load); ≤5% (non-linear load according to IEC62040-3)
Output Socket (Optional) IEC, Schuko, NEMA, South Africa, UK
Main Features
High efficiency up to 96%
Output PF=1, high load adaptability
Wide input voltage range of 110~300VAC
Maximum charging current up to 12A
Online double conversion topology
Zero transfer time from mains to battery
High reliability for critical applications
Transfer Time
Transfer: Main → Battery
Transfer: INV → Bypass
Battery Configuration
Model Battery Quantity Battery Type
BTLS-1KVA 2 × (12VDC × 9Ah) Internal battery
BTLS-1.5KVA 3 × (12VDC × 9Ah) Internal battery
BTLS-1KVAL Depends on external battery Long backup model
BTLS-2KVA 4 × (12VDC × 9Ah) Internal battery
BTLS-2KVAL Depends on external battery Long backup model
BTLS-3KVA 8 × (12VDC × 9Ah) Internal battery
BTLS-3KVAL Depends on external battery Long backup model
Battery Charging
Item Specification
Maximum Charging Current 1A standard, up to 12A optional
Battery Voltage (1kVA Series) 24/36VDC
Battery Voltage (2kVA Series) 48/72VDC
Battery Voltage (3kVA Series) 72/96VDC
Overload Capability
Mode Overload Capacity
Normal Mode 102%~110%: 30 min; 110%~125%: 10 min; 125%~150%: 30 sec
Battery Mode 102%~110%: 1 min; 110%~125%: 10 sec; 125%~150%: 5 sec
Bypass Mode <130% long time; 130%~150%: 10 min; 150%~180%: 5 sec
Other Specifications
Item Specification
Crest Factor 0.125694444
Efficiency (Normal Mode) Up to 96%
Noise Level (1m) <43dB @ <60% load; <47dB @ >60% load
Communication Port EPO, RS232
Optional Accessories SNMP Card, AS400, USB, RS485, Air Filter
Dimensions (W × D × H)
Model Dimensions (mm)
BTLS-1KVA 144 × 335 × 226
BTSL-1.5KVA 190 × 400 × 328
BTLS-1KVAL 144 × 398 × 223
BTLS-2KVA 190 × 400 × 328
BTLS-2KVAL 144 × 398 × 223
BTLS-3KVA 190 × 400 × 328
BTLS-3KVAL 144 × 398 × 223

Please feel free to consult our professional technical team for model selection tailored to your specific application scenario.
 1~3kVA Online Tower UPS Specifications
Model & Rating
Item BTLS-1KVA BTLS-1.5KVA BTLS-1KVALi BTLS-2KVA BTLS-2KVALi BTLS-3KVA BTLS-3KVALi
Rated Power 1kVA/1kW 1.5kVA/1.5kW 1kVA/1kW 2kVA/2kW 2kVA/2kW 3kVA/3kW 3kVA/3kW
Operation 1P/1P Online Double Conversion
Cold Start Supported Supported Supported Supported Supported Supported Supported
Input Characteristics
Item Specification
Input Voltage Range 110~300VAC; 100% load @176~276VAC; 50% load @110~300VAC
Input Power Factor ≥0.99
Frequency Range 50/60Hz ±5Hz (default), ±3Hz (settable)
Output Characteristics
Item Specification
Output Power Factor 1
Rated Voltage 220/230/240VAC, 200/208VAC (PF=0.9)
Load Response ≤5% (0–100%–0)
Output Recovery Time ≤40ms (0–100%–0)
Output THDi ≤2% (linear load); ≤5% (non-linear load according to IEC62040-3)
Output Socket (Optional) IEC, Schuko, NEMA, South Africa, UK
Main Features
High efficiency up to 96%
Output PF=1, high load adaptability
Wide input voltage range of 110~300VAC
Maximum charging current up to 12A
Online double conversion topology
Zero transfer time from mains to battery
High reliability for critical applications
Transfer Time
Transfer: Main → Battery
Transfer: INV → Bypass
Battery Configuration
Model Battery Quantity Battery Type
BTLS-1KVA 2 × (12VDC × 9Ah) Internal battery
BTLS-1.5KVA 3 × (12VDC × 9Ah) Internal battery
BTLS-1KVAL Depends on external battery Long backup model
BTLS-2KVA 4 × (12VDC × 9Ah) Internal battery
BTLS-2KVAL Depends on external battery Long backup model
BTLS-3KVA 8 × (12VDC × 9Ah) Internal battery
BTLS-3KVAL Depends on external battery Long backup model
Battery Charging
Item Specification
Maximum Charging Current 1A standard, up to 12A optional
Battery Voltage (1kVA Series) 24/36VDC
Battery Voltage (2kVA Series) 48/72VDC
Battery Voltage (3kVA Series) 72/96VDC
Overload Capability
Mode Overload Capacity
Normal Mode 102%~110%: 30 min; 110%~125%: 10 min; 125%~150%: 30 sec
Battery Mode 102%~110%: 1 min; 110%~125%: 10 sec; 125%~150%: 5 sec
Bypass Mode <130% long time; 130%~150%: 10 min; 150%~180%: 5 sec
Other Specifications
Item Specification
Crest Factor 0.125694444
Efficiency (Normal Mode) Up to 96%
Noise Level (1m) <43dB @ <60% load; <47dB @ >60% load
Communication Port EPO, RS232
Optional Accessories SNMP Card, AS400, USB, RS485, Air Filter
Dimensions (W × D × H)
Model Dimensions (mm)
BTLS-1KVA 144 × 335 × 226
BTSL-1.5KVA 190 × 400 × 328
BTLS-1KVAL 144 × 398 × 223
BTLS-2KVA 190 × 400 × 328
BTLS-2KVAL 144 × 398 × 223
BTLS-3KVA 190 × 400 × 328
BTLS-3KVAL 144 × 398 × 223
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