APC UPS Accessories VGL9901I Easy UPS Dry Contact Card/Relay I/O card, 1 – 10KVA (SRV models)
Presentation High quality, Double-conversion On-line UPS designed for essential power protection needs even in the most unstable power conditions. Lead time Usually in Stock General provided equipment Basic UPS signalling RS-232 cable CD with software Rack mounting brackets User manual USB cable Number of tare power 25 W Number of power module free slots 0 Number of power module filled slots 0 redundant No UPS size WS Physical number of rack unit 5U colour Black depth 61.5 cm height 21.95 cm net weight 78 kg USB compatible Yes width 43.8 cm Input network frequency 40…70 Hz number of input connectors 1 hard wire 3-wire (1P + N + E) input voltage limits 110…300 V adjustable (half load) 176…300 V inputvolt_other 220 V 240 V input voltage 230 V Output rated power in W 6000 W Maximum configurable power in W 6000 W output frequency 50/60 Hz +/- 3 Hz sync to mains outputvolt_other 220 V 240 V crest factor 3 : 1 UPS type Double conversion online Wave type Sine wave output connector type Hard wire 3-wire (H N + E) 1 bypass type Internal bypass (automatic and manual) curve equation Efficiency curve load maximum 100 % curve X-axis maximum 100 % curve X-axis minimum 0 % curve X-axis title Load curve X-axis units Percentage curve Y-axis maximum 100 % curve Y-axis minimum 50 % curve Y-axis title Efficiency curve Y-axis units Percentage efficiency 94 % (full load) graph display 1 half load runtime 00:10:00 3000 W output voltage 230 V Maximum configurable power in VA 6000 VA rated power in VA 6000 VA Conformance product certifications CE standards IEC 62040-1-1 IEC 62040-1-2 Environmental ambient air temperature for operation 0…40 °C relative humidity 0…95 % non-condensing operating altitude 0…3000 m ambient air temperature for storage -15…60 °C Storage Relative Humidity Non-condensing 0…95 % storage altitude 0…15000 m acoustic level 55 dB show note OP temperature No IP degree of protection IP20 Batteries & Runtime battery type Lead-acid battery number of battery filled slots 0 number of battery free slots 0 Battery recharge time 3 h additional information Configurable for 220 : 230 or 240 nominal output voltage liquid value 0 battery curve D Battery power in VAH 1512 VAh runtime battery option SRV240RLBP-9A 1 3024 VAh SRV240RLBP-9A 2 4536 VAh SRV240RLBP-9A 3 6048 VAh SRV240RLBP-9A 4 7560 VAh SRV240RLBP-9A Communications & Management free slots 1 control panel Multifunction LCD status and control console alarm Alarm when on battery : distinctive low battery alarm : overload continuous tone alarm Emergency power off Yes manufacturer link 1 YEAR WARRANTY
PCE MX Online 6KVA 5400W Internal Batteries Double Conversion Online- Pure Sine Wave
Specifications : GENERAL Rated Power 5000VA / 5000W Communication Interface Removable USB / RS232 / RS485 / Bluetooth / Dry-contact Dimension D x W x H (mm) 115 x 300 x 400 Net Weight (kgs) 13 INPUT Voltage 230VAC Selectable Voltage Range 170 ~ 280 VAC (For Personal Computers)90 ~ 280 VAC (For Home Appliances) Frequency Range 50Hz / 60Hz (Auto sensing) OUTPUT AC Voltage Regulation (Batt. Mode) 230VAC ± 5% Surge Power 10000VA Efficiency (Peak) 90% ~ 93% Transfer Time 15 ms (For Personal Computers)20 ms (For Home Appliances) Waveform Pure sine wave BATTERY Battery Voltage 48VDC Floating Charge Voltage 54VDC Overcharge Protection 63VDC SOLAR & AC CHARGER Solar Charger Type MPPT Maximum PV Array Open Circuit Voltage 500VDC Maximum PV Array Power 5000W MPP Range @ Operating Voltage 120VDC~450VDC Maxmum Solar Charge Current 100A Maximum AC Charge Current 100A manufacturer link
The Twist Online High Frequency UPS 2KVA TWUP2000/HF provides continuous backup power for servers, workstations, and networking equipment. It uses online double conversion technology for stable and clean power delivery. Additionally, the high-frequency design improves efficiency and reduces transfer interruptions. Moreover, the UPS includes an LCD display for real-time monitoring and system alerts. It also features internal 4x12V/9Ah batteries for backup operation during outages. Therefore, it protects connected devices from voltage fluctuations, overloads, and power failures. Furthermore, the TWUP2000/HF supports pure sine wave output for sensitive electronics and professional equipment. It also includes overload, short-circuit, and surge protection for safer operation. Additionally, the compact tower design fits office, server room, and IT environments easily. Specifications: 2KVA online double conversion UPS technology Internal 4x12V/9Ah rechargeable batteries LCD display for real-time monitoring Pure sine wave output for stable power delivery Overload and short-circuit protection system
The APC Easy UPS 1200W / 2200VA BX2200MI-MS provides reliable backup power for critical devices. First, it delivers line-interactive output to protect equipment from voltage fluctuations. In addition, it safeguards connected electronics against surges, spikes, and short outages. Moreover, the UPS features a compact design for easy installation in offices or home setups. Finally, the LCD panel allows real-time monitoring of battery and load status. The BX2200MI-MS ensures uninterrupted operation and protects essential systems during power interruptions. manufacturer link Specifications: 1200W / 2200VA line-interactive output for reliable device protection Protects electronics from surges, spikes, and outages Compact design suitable for office or home setups LCD panel for monitoring battery and load status Ensures uninterrupted operation during power interruptions
Eaton 5S UPS, 1500 VA, 900 W, Input: C14, Outputs: (4) C13, (4) C13 surge only, Tower General Topology Line-Interactive (AVR with Booster + Fader) Configuration Tower or under monitor Part Number 5S1500i Color Black Rating (VA/Watts) 1500/900 Dimensions (H x W x D, mm) 250 x 87 x 382 Weight (kg) 11.08 Electrical Input Connection (1) IEC-320-C14 Input Voltage Range 175V-275 V Nominal Voltage 230 V Operating Frequency 50-60 Hz autoselect Electrical Output Nominal Voltage 230 VAC Output voltage regulation 230 V +/- 10% Outlets (4) IEC-320-C13 (4) IEC-320-C13 surge only Communications Communication Ports HID-compliant USB port for automatic integration with most common operating systems (Windows Vista, 7 & 8, Linux, Mac OS X), cable supplied Environmental & Standards Audible Noise < 40 dB at 1 Meter Operating Temperature 0 to 40°C Safety markings IEC/EN 62040-1, IEC/EN 62040 -5 Markings CB Report, CE mark Data Line Protection Tel/Fax/Modem/Internet and Ethernet 2 Years Warranty manufacturer link
UPS ONLINE 3KVA 2400W 1 YEAR WARRANTY ABSOLUTELY PURE SINUSWELLE – With this inverter / inverter you operate your 220V devices via a 24V battery and a continuous power of 2400W 3KVA. Inverter is a device that allows you to use electrical devices everywhere, even when you are not at the power source MULTIFUNCTION HYBRID UNIT – Thanks to the small LCD display, it is also possible to charge the batteries with AC / solar charge controllers, setting the input voltage range and charging current. MODERN PROTECTION FEATURES – The device has many modern safety features such as: overload protection, overheating protection, short-circuit protection, so it is also suitable for home appliances, as well as microwaves, air conditioners, refrigerator, fan and daylight lamp. HIGH QUALITY MATERIALS – Equipped with PWM control, the inverter generates a pleasing amount of waste heat.
Description : The Professional Series (1P/1P) – Tower is an advanced, affordable on-line double-conversion technology single-phase UPS system. Tower versions are available with 1000VA to 10000VA models and these offer high reliability for workstations, server and network equipment. The Professional Series is designed with automatic voltage regulation (AVR) to protect against power outages, disturbances and spikes. High voltage battery chargers and battery extension assembly is available for the long run time application. Key Features and Benefits True Double-Conversion Online UPS Mircoprocessor control optimizes reliability Input power factor correction Output Power Factor 0.80. Wide input voltage (110V – 300V) Converter mode available ECO mode for enegry saving (Only available for 1 – 3 KVA) Generator compatible Adjustable battery number only available for 6K and up models Smart SNMP works well with either USB or RS-232 together Emergency power off function (EPO) only available for 6K / 10K models Optional isolation transformer available. 02 Years Warranty manufacturer link
The Prosonic 2000mAh MINI DC UPS | GS-1018 provides stable backup power for routers, modems, CCTV cameras, ONU devices, and other low-power networking equipment during electricity outages. Its compact design fits easily beside networking devices while maintaining reliable operation for home and office setups. This mini UPS supports multiple DC output options, making it suitable for different electronic devices that require continuous power. The built-in safety protections help prevent overheating, overload, overcharging, and short circuits, which improves long-term reliability and device safety. In addition, the lightweight body allows easy placement in small spaces without adding clutter to your setup. The unit delivers dependable backup support for internet connectivity during load shedding or sudden power interruptions. Users can connect routers and communication equipment directly to maintain stable online access for work, streaming, online classes, or security monitoring systems. Key operating features include efficient power conversion, portable dimensions, and compatibility with common DC-powered devices. The Prosonic GS-1018 also offers a practical solution for users who need uninterrupted networking performance without using a large traditional UPS system. Moreover, the compact battery backup system helps reduce downtime while protecting connected devices from sudden shutdowns. Its easy plug-and-play setup makes installation simple for both home and small business users. Specifications: 2000mAh backup battery capacity for networking devices Supports routers, CCTV cameras, modems, and ONU devices Multiple DC output options for wider compatibility Built-in overload, short circuit, and overcharge protection INPUT : 100-240Vac 50/60Hz OUTPUT : 5V/9V/12V/USB port/POE port
Specifications : Le grand ups keor spx 800va 310301 1year warranty ups 800va
Specifications : Brand HAWK Package Dimensions 59.2 x 54.5 x 19.8 cm; 9 Kilograms Item model number HAWK202011 Manufacturer HAWK Wattage 720 watts Are Batteries Included Yes Item Weight 9 kg
Specifications : GENERAL UPS Type : Tower Phase : Single phase with ground Rating (VA) : 2000 Nominal Power (W) : 1600 Standard Model Dimension (mm) : 397x 145 x 220 (D x W x H) Weight (kg) : 17 Long-run Model Dimension (mm) : 397 x 145 x 220 (D x W x H) Weight (kg) : 6.8 INPUT Connection Type : IEC 320-C14 Nominal Voltage : 200/208/220/230/240 VAC Voltage Range : 110-300 VAC (Load at 50%) 160-280 VAC (Load at 100%) Frequency Range : 45 ~ 70 Hz Power Factor : >= 0.99 OUTPUT Connection Type : 3 x Universal socket (PRO902WS) 2 x Universal socket (PRO902WL) Nominal Voltage : 200/208/220/230/240 VAC Voltage Regulation : ±1% Frequency Range (Synchronized Range) : 47 ~ 53 Hz or 57 ~ 63 Hz Frequency Range (Batt. Mode) : 50 Hz ± 0.25 Hz or 60 Hz ± 0.3 Hz Current Crest Ratio : 3:1 Harmonic Distortion ; ≤3% THD (Linear load) ≤6% THD (Non-linear load) ALARM & INDICATORS Battery Mode : Sounding every 4 seconds Low Battery : Sounding every second Overload : Sounding twice every second Fault : Continuously sounding LCD : Load level, Battery Level, AC mode, Battery mode, Bypass mode and Fault CONNECTIVITY, CONTROL & MONITORING Front panel : Status LED, Function keys, LCD display Communication : Smart RS232* USB : Port BATTERY Standard Model Type : 12V / 9Ah Numbers : 4 Typical Recharge Time : 4 hours recover to 90% capacity Long-run Model Type : Depending on the capacity of external batteries Number : 4/6/8 Charging Current (max) : 1A / 2A / 4A / 6A Adjustable REAR PANEL 1. AC Input 2. Input circuit breaker 3. USB Communication port 4. RS-232 communication port 5. Intelligent slot 6. External battery connection (Only available for L model) 7. Output receptacles
The APC Smart-UPS RC 800W 1KVA Sine Wave SRC1KI provides reliable backup power for critical devices. First, it delivers pure sine wave output, ideal for sensitive electronics. In addition, the UPS protects connected equipment from power surges, spikes, and outages. Moreover, it features a compact design for easy placement in offices or server rooms. Finally, the unit includes an intuitive LCD interface for monitoring battery status and load. The SRC1KI ensures continuous operation and safeguards important systems during power interruptions. Specifications: 800W / 1KVA pure sine wave output for sensitive devices Protects against power surges, spikes, and outages Compact design for office or server room placement LCD interface for monitoring battery and load status Ensures continuous operation during power interruptions
APC Easy UPS On-Line SRV 10000VA 230V SRV10KI is a high-capacity online uninterruptible power supply designed for critical business infrastructure, servers, and data center environments. It provides continuous, clean, and stable power using true double-conversion technology. It delivers 10000VA / 10000W (approx.) power capacity for heavy-duty applications. Therefore, it can support multiple servers, networking equipment, and sensitive electronics during power failures or voltage fluctuations. In addition, it ensures uninterrupted operation for mission-critical systems. The UPS uses online double-conversion technology to fully isolate connected equipment from utility power disturbances. As a result, it provides consistent, regulated pure sine wave output at all times. It includes an LCD interface for real-time monitoring of system status, load, and battery conditions. Meanwhile, built-in protection features enhance system safety and operational reliability. APC designs the Easy UPS SRV series for enterprise-grade power protection. Therefore, this model is ideal for data centers, IT infrastructure, and critical business applications requiring maximum uptime. Manufacturer link Specifications: 10000VA high-capacity output Online double-conversion UPS system Pure sine wave power output LCD monitoring display Enterprise-grade power protection
The APC UPS 600W 1000VA Line Interactive BV1000I-GR provides reliable backup power for home and office devices. First, it delivers line-interactive output to protect equipment from voltage fluctuations. In addition, it safeguards connected devices against surges, spikes, and short outages. Moreover, the compact design allows easy placement on desks or near electronics. Finally, the UPS includes LED indicators to monitor battery and load status. The BV1000I-GR ensures uninterrupted operation and protects important electronics during power interruptions. Specifications: 600W / 1000VA line-interactive output protects devices Safeguards against power surges, spikes, and outages Compact design for easy placement on desks or near electronics LED indicators monitor battery and load status Ensures uninterrupted operation during short power interruptions
The Twist Line Interactive UPS 1500VA TWUP1500/LI provides backup power protection for computers, networking devices, and office equipment. It uses line interactive technology with automatic voltage regulation for stable output performance. Additionally, the built-in dual 12V/7Ah batteries support continued operation during power interruptions. Moreover, the UPS includes LED status indicators for clear power monitoring and system alerts. It also supports overload and short-circuit protection for safer daily operation. Therefore, it helps protect connected devices from voltage fluctuations and sudden outages. Furthermore, the compact tower design fits home and office environments easily. The system also supports cold start functionality and simulated sine wave output for common electronic devices. Additionally, the automatic battery charging system improves operational reliability. Specifications: 1500VA line interactive UPS technology Built-in 2x12V/7Ah rechargeable batteries LED indicators for power status monitoring Automatic voltage regulation for stable output Overload and short-circuit protection system
9E20Ki Eaton Online Double Conversion 9E 20KVA / 16000W Combo: 1:1 and 3:1, In-Built Automatic Relay Bypass, Intelligent Power Software, 1 USB port + 1 RS232 serial port (USB and RS232 ports cannot be used simultaneously), 1 slot for Network-MS, ModBus-MS or Relay-MS cards, 1 Year Warranty
The Prolink Online UPS 10KVA with LCD and Internal Battery is designed to provide stable power protection for servers, networking equipment, and critical electronic systems. It helps maintain continuous operation during power failures and protects devices from unstable power conditions. The UPS provides a 10KVA capacity and uses online double conversion technology. Additionally, it delivers clean and stable power output to support sensitive equipment that requires reliable energy performance. The Prolink Online UPS features an LCD display that allows users to monitor important system information. Moreover, the screen shows details such as input voltage, output voltage, battery status, load level, and operating conditions for easier management. The UPS includes an internal battery system that provides backup power during outages. Furthermore, it supports protection features against overload, short circuit, over-temperature, and battery problems to help protect connected devices. The Prolink Online UPS is suitable for offices, data centers, and professional environments that need continuous power support. Therefore, it provides a practical backup solution for important equipment that requires stable electricity. The UPS combines high capacity, online power protection, battery backup, and monitoring features in one system. As a result, it helps users maintain reliable power performance during unexpected interruptions. Specifications: Capacity: 10KVA UPS Type: Online Double Conversion Display: LCD Display Battery: Internal Battery System Protection: Overload, Short Circuit, Over Temperature Protection
UPS PCE EXDC-2 MAX UPS Adapter for Cameras & Modems
The SkyGate Mini DC UPS 20000mAh is a powerful and compact solution for uninterrupted power. Whether you need backup power for your router, modem, or other devices, this mini UPS has you covered. With a 20000mAh capacity, the SkyGate Mini DC UPS ensures your devices stay powered during outages or unexpected power cuts. This high-capacity battery provides extended usage time, keeping your essentials running smoothly. The SkyGate Mini DC UPS is designed for versatility, featuring multiple output options. It supports DC 9V/12V, USB 5V, and Type C, making it compatible with a wide range of devices, from routers to smartphones. Setting up the SkyGate Mini DC UPS is simple and hassle-free. Its plug-and-play functionality allows you to connect your devices quickly, ensuring uninterrupted power with minimal effort. The SkyGate Mini DC UPS is equipped with intelligent safety features, including overcharge protection, over-discharge protection, and short-circuit protection. These features ensure safe and reliable operation, protecting your devices from damage. Compact and portable, the SkyGate Mini DC UPS is easy to carry and store. Its lightweight design makes it perfect for use at home, in the office, or even on the go. In conclusion, the SkyGate Mini DC UPS 20000mAh offers reliable backup power with a high-capacity battery and versatile output options. Keep your devices running smoothly during power outages with this efficient and portable mini UPS. Specifications: Battery : 20000mAh Output Power : 18W POE Port : 24V/0.7A DC Port : 9V/2A, 12V/1.5A Output Ports : 5V/2A USB, 5V/1A Type-C
Specifications : Output Max Configurable Power (Watts) 6.0kWatts / 6.0kVA Output Voltage Note Configurable for 220 : 230 or 240 nominal output voltage Efficiency at Full Load 94.0 % Output Voltage Distortion 1 % Output Frequency (sync to mains) 50/60 Hz +/- 3 Hz Sync to mains Other Output Voltages 220 V, 240 V Load Crest Factor 3 : 1 Topology Double conversion online Waveform type Sine wave Bypass Internal bypass (automatic and manual) Input Input frequency 40 – 70 Hz Auto sensing Input voltage range for main operations 110 – 300 Half load, 176 – 300 Full loadV Efficiency at Full Load 94.0 % Other Input Voltages 220 V, 240 V Batteries & Runtime Battery type Lead-acid battery Typical recharge time 7hour(s) Nominal Battery Voltage 192 V Expected Battery Life (years) 3 – 5 Battery Charge Power (Watts) 235 Watts Runtime View Runtime Graph Communications & Management Interface Port(s) DB-9 RS-232, USB Control panel Multifunction LCD status and control console Audible Alarm Alarm when on battery : distinctive low battery alarm : overload continuous tone alarm Emergency Power Off (EPO) Yes Available SmartSlot™ Interface Quantity 1 Surge Protection and Filtering Surge energy rating 600Joules Physical Maximum Height 173MM, 17.3CM Maximum Width 438MM, 43.8CM Maximum Depth 710MM, 71.0CM Net Weight 61.0KG Shipping weight 71.0KG Shipping Height 1232MM, 123.19CM Shipping Width 600MM, 60.0CM Shipping Depth 836MM, 83.6CM Color Black Environmental Operating Temperature 0 – 40 °C Operating Relative Humidity 0 – 95 % Operating Elevation 0 – 3000meters Storage Temperature -15 – 60 °C Storage Relative Humidity 0 – 95 (Non-condensing) % Storage Elevation 0 – 15000meters Audible noise at 1 meter from surface of unit 55.0dBA Online thermal dissipation 1172.0BTU/hr Protection Class IP20 Conformance Approvals CE, EAC, EN/IEC 62040-1, EN/IEC 62040-2, TISI Standard warranty 2 years repair or replace Sustainable Offer Status RoHS Compliant Warranty : 1 year https://www.apc.com/shop/dk/en/products/APC-Easy-UPS-On-Line-SRV-6000VA-RM-230V-with-Rail-Kit/P-SRV6KRIRK
PCE VX Online 1 KVA 800W Internal Batteries Double Conversion Online- Pure Sine Wave Model VX 1K Input Rating Voltage Frequency Voltage range Power Factor THDi 1000VA 220V, 230V, 240V, 1Ø 2Wires 40~70Hz 176-300 VAC at 100% load, 110-300 VAC at 50% load >99% <5% Ouput Active Power @ PF=0.9 Voltage (on battery) Frequency (on battery) Transfer Time Efficiency UPS Design Technology Output Wave Form Total Harmonic distortion (THD) Crest Factor 900W 220V, 230V, 240V, +/-1% (selectable output voltage), 1Ø 2Wires 50/60 Hz +/-0.2% 0 ms 93% Online double conversion design Pure Sinewave ≤3% (linear load), ≤5% (non linear load) 3:1 Protection Overload Protection Short Circuit Protection 110% for 10min, 130% for 1min, >130% for 3sec UPS output cuts off immediately using input fuse/circuit breaker protection System Display LCD indicators Load level, Battery level, AC mode, Battery mode, Bypass mode, and Fault indicators Alarm Battery mode Low battery Overload Fault Sounding every 4 second Sounding every second Sounding twice every second Continuously sounding Battery Battery Type Typical Recharge Time DC Voltage Charging Current Back up time(1/2 Load) 12V 9Ah 4 hours to 90% Full capacity 24VDC 1A 10~15 min depending on load Communication USB or RS-232 SNMP* Compatibility Interface with power management software Power Management from SNMP manager and web browser Supports Windows family, Linux, Unix and Mac Physical W x D x H mm Net Weight Kgs(lbs) 145x282x220mm 9.8Kg(21.6lb) Environment Operating Temperature Storage Temperature Altitude Audible noise Relative Humidity 0 – 40 °C / 32 ~ 104°F -20 ~ 50°C / -4 ~ 122°F 1,500 meters max <50dBA at 1 Meter 20 to 90% humidity (non-condensing) Standards & Certifications Performance Safety EMC (EMS / EMI) Design, production, & services Environment Marking & Certifications EN50091-3/IEC 62040-3 UL 1778, CE, EN 50091-1,EN 60950 (RD/), IEC 60950 IEC 61000-4-2/-3/-4/-5/-6/-8/-11, IEC 61000-3-2/-3,FCC Part 15, CISPR 22, EN 50091-2/IEC62040-2 Class A, EN 55022/B,FCC 47 part 15 – Subpart B – ISO 9001 ISO 14001 certified company CE, TUV/GS, UL, cUL, c-Tick
Original product name: UPS 5E1100iUSB Eaton Line Interactive UPS 1100VA / 660W, AVR, 6 IEC, USB port, software, Input / Output jacks included for Telephone / Modem / Internet Line surge protection | 2 Years Warranty 5E1100iUSB Eaton Line Interactive UPS 1100VA / 660W, AVR, 6 IEC, USB port, software, Input / Output jacks included for Telephone / Modem / Internet Line surge protection, 2 Years Warranty (Including Battery)
Prolink PRO3000SFCU 3000VA is a line-interactive UPS designed to provide stable backup power for PCs, servers, networking devices, and sensitive electronics. It ensures continuous operation during power cuts and voltage fluctuations. In addition, Prolink PRO3000SFCU 3000VA supports a wide input voltage range of 140–300VAC. Therefore, it stabilizes unstable electricity using automatic voltage regulation (AVR). Moreover, it delivers a fast transfer time of around 2ms for seamless switching between mains and battery mode. Furthermore, Prolink PRO3000SFCU 3000VA includes four 12V/10Ah batteries for extended backup support. As a result, it provides reliable runtime for critical systems depending on load. It also supports simulated sine wave output for compatible devices. In addition, Prolink PRO3000SFCU 3000VA features intelligent microprocessor control. Therefore, it improves efficiency, protection, and battery management. Moreover, it includes indicators and alarms for battery, overload, and fault conditions. Overall, Prolink PRO3000SFCU 3000VA delivers strong backup performance, stable voltage regulation, and reliable protection for home and office power needs. Specifications: 3000VA capacity for PCs and office equipment Line-interactive UPS with AVR voltage regulation Wide input range 140–300VAC for unstable power Fast ~2ms transfer time for uninterrupted switching Four 12V/10Ah batteries for extended backup support
