UPS PCE VX / MXOnline 2KVA 1600W is a double-conversion online UPS designed for continuous protection of servers, PCs, and network systems. It delivers stable power during outages and voltage fluctuations. In addition, it uses online double-conversion technology. Therefore, it provides zero transfer time between mains and battery mode. Moreover, it delivers pure sine wave output for safe operation of sensitive equipment. Furthermore, it supports a 2KVA / 1600W load capacity. As a result, it can power multiple devices such as computers, routers, and small server setups. It also maintains stable voltage regulation under unstable input conditions. In addition, it includes built-in protection features. Therefore, it helps protect against overload, short circuit, and power instability. Moreover, it is designed for environments that require continuous uptime and reliability. Overall, UPS PCE VX / MXOnline 2KVA 1600W delivers stable backup performance, zero-interruption switching, and strong protection for critical systems. Specifications: 2KVA / 1600W capacity for professional equipment Online double-conversion UPS technology Zero transfer time for uninterrupted power Pure sine wave output for stable devices Advanced protection against overload and faults
Specifications : UPS Type Tower Phase Single phase with ground Rating (VA) 1000 Nominal Power (W) 800 Standard Model Dimension (mm) 282 x 145 x 220 (D x W x H) Weight (kg) 9.8 Long-run Model Dimension (mm) 282 x 145 x 220 (D x W x H) Weight (kg) 4.1 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 (PRO901WS) 2 x Universal socket (PRO901WL) 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 2 Typical Recharge Time 4 hours recover to 90% capacity Long-run Model Type Depending on the capacity of external batteries Number 2 or 3 Charging Current (max) 1A / 2A / 4A / 6A Adjustable manufacturer link
The Yuasa SWL2500T Industrial VRLA Battery delivers reliable power for industrial and backup applications. First, it provides consistent energy output for critical equipment and systems. In addition, the valve-regulated lead-acid (VRLA) technology ensures maintenance-free operation and extended service life. Moreover, the battery features durable construction, vibration resistance, and high discharge efficiency for demanding environments. The compact design allows easy installation in various setups. Finally, its dependable performance, safety features, and long-term reliability make it ideal for industrial, UPS, and emergency power systems. Specifications: VRLA Technology: Maintenance-free operation with long service life High Discharge Efficiency: Reliable power for critical equipment Durable Construction: Resistant to vibration and harsh environments Compact Design: Easy installation in various industrial setups Industrial Reliability: Ideal for UPS, backup, and emergency power
The Beco GP1200 1200VA 720W UPS delivers reliable power backup for home and office electronics. It keeps key devices running during outages. This helps prevent data loss and sudden shutdowns. Users gain peace of mind knowing devices stay protected. Moreover, the Beco GP1200 1200VA 720W UPS features 1200 VA capacity and 720 W output power for strong support. It handles computers, routers, modems, and monitors easily. Large systems stay powered long enough to save work. Performance stays stable and secure. In addition, the UPS includes built-in surge protection for reliable defense against voltage spikes. It guards appliances from unstable power conditions and electrical surges. This adds extra safety during storms or fluctuations. Protection stays consistent over time. Furthermore, the Beco GP1200 1200VA 720W UPS offers automatic voltage regulation without manual settings. It smooths voltage drops and spikes quickly. This helps connected devices run smoothly. Reliability increases in daily use. Also, the UPS provides battery backup when power fails. You can finish tasks and save important files before turning off systems. This reduces the risk of data corruption. Backup power feels dependable. In addition, the Beco GP1200 1200VA 720W UPS includes clear LED indicators for power and battery status. You can check performance at a glance. This helps monitor conditions with ease. Users stay informed during operation. Moreover, the UPS includes multiple output sockets for connecting more devices at once. This improves flexibility for busy workstations and entertainment setups. You can protect multiple electronics with one unit. Furthermore, the Beco GP1200 1200VA 720W UPS supports easy installation and quick setup. Users can connect devices without complicated steps. Setup remains simple for all users. Also, the compact design fits neatly on desks, shelves, or cabinets without taking much room. It blends well into home and office spaces. Portability stays practical. Overall, the Beco GP1200 1200VA 720W UPS delivers strong battery backup, surge protection, and smooth voltage regulation. It guards electronics and ensures uninterrupted use. This UPS is ideal for users seeking reliable, everyday power protection. Specifications: 1200VA, 720W, LED, Plastic Case Input: 140-290 VAC Output: 230VAC 50/60HZ 12V 7.5AH *2pcs, Universal Socket *4 + EU Plug With AVR, Bypass output Overload and short circuit protection
The PROLINK IPS5003 Inverter is designed to provide reliable backup power for homes, offices, and essential electronic devices. It helps users maintain power during outages and supports stable operation for different electrical equipment. The inverter provides a 5000VA capacity and delivers stable AC power output for compatible devices. Additionally, it supports backup power needs for appliances, computers, and other important electronics. The PROLINK IPS5003 features pure sine wave output to provide clean power for sensitive equipment. Moreover, this technology helps improve compatibility with devices that require stable electricity performance. The inverter includes an LCD display that allows users to monitor important system information. Furthermore, users can check battery status, input voltage, output voltage, and operating conditions easily. The PROLINK IPS5003 includes protection features against overload, short circuit, over-temperature, and low battery conditions. Therefore, it helps protect connected devices and improves system safety during operation. The inverter supports different backup power applications for homes and small offices. In addition, its practical design makes it suitable for users who need dependable energy support during power interruptions. The PROLINK IPS5003 Inverter combines high power capacity, pure sine wave technology, monitoring features, and protection functions. As a result, it provides a reliable backup power solution for everyday electrical needs. manufacturer link Specifications: Capacity: 5000VA Output Waveform: Pure Sine Wave Display: LCD Display Protection: Overload, Short Circuit, Over Temperature, Low Battery Protection Application: Backup Power for Home and Office Equipment
INVO online INH1000 NVO Online UPS High Frequency 10000 VA, LCD Display Inbuilt Battery 16 x 12V/9 Ah Specifications: Specifications : AC Input Bypass AC Output Battery Fault Screen LCD AC Input Bypass AC Output Battery Fault Screen LCD 1 year warranty Manufacturer Link
The Beco GP1500 1500VA 900W UPS delivers strong and reliable power protection for home and office electronics. It keeps computers, routers, and monitors running during outages. This helps prevent data loss and sudden shutdowns. Peace of mind increases with reliable backup power. Moreover, the Beco GP1500 1500VA 900W UPS offers 1500 VA capacity and 900 W output for high-demand systems. It supports larger desktops and entertainment setups easily. Backup power stays strong during interruptions. This improves system stability every day. In addition, the UPS features built-in surge protection to guard appliances from spikes and unstable power. This adds important defense against electrical damage. Devices remain safe during storms and fluctuations. Safety stays consistent. Furthermore, the Beco GP1500 1500VA 900W UPS includes automatic voltage regulation to smooth dips and spikes. It balances voltage without manual adjustment. This helps extend device lifespan. Consistent power improves performance. Also, the UPS delivers dependable battery backup when electricity fails. You can save files and shut down properly before power runs out. This reduces the risk of data loss. Backup support feels reassuring. In addition, the Beco GP1500 1500VA 900W UPS has clear LED indicators for power and battery status. You can check conditions easily at a glance. This makes monitoring simple and fast. Moreover, the UPS includes multiple output sockets for connecting several devices at once. This increases flexibility for busy workstations and entertainment centers. You can protect all critical electronics with one unit. Furthermore, the Beco GP1500 1500VA 900W UPS supports quick plug-and-play setup with no complex steps. Installation feels easy for any user. Setup remains fast and hassle-free. Also, the compact and sturdy design fits neatly into workspaces or shelves. It blends well into home and office environments. Portability stays practical. Overall, the Beco GP1500 1500VA 900W UPS delivers strong battery backup, surge protection, and voltage regulation. It ensures steady power and protects electronics effectively. This UPS is ideal for users needing reliable, high-capacity power protection every day. Specifications: 1500VA, 900W, LED, Plastic Case Input: 140-290 VAC Output: 230VAC 50/60HZ 12V 9AH *2pcs, Universal Socket *4 + EU Plug With AVR, Bypass output Overload and short circuit protection
APC Easy UPS On-Line SRV 3000VA 230V SRV3KI is a high-performance uninterruptible power supply designed to provide continuous power protection for servers, network equipment, data centers, and critical business systems. It uses true online double-conversion technology to deliver clean and stable power in demanding environments. The UPS provides 3000VA / 2400W power capacity. Therefore, it can support critical equipment during power outages, voltage fluctuations, and electrical disturbances. In addition, it helps maintain business continuity and equipment reliability. It features online double-conversion technology that continuously conditions incoming power. As a result, connected devices receive consistent and clean power regardless of utility power quality. The unit includes an LCD display for real-time monitoring and system management. Meanwhile, automatic bypass functionality helps maintain power delivery during specific operating conditions and maintenance events. APC designs the Easy UPS On-Line series for dependable power protection and efficient operation. Therefore, this model is ideal for servers, network infrastructure, security systems, and mission-critical applications. manufacturer link Specifications: 3000VA / 2400W power capacity Online double-conversion technology Pure sine wave output LCD status and monitoring display Reliable backup for critical systems
The Twist Online High Frequency UPS 6KVA TWUP6000/HF provides continuous backup power for servers, networking systems, and critical 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 features internal 16x12V/9Ah batteries for backup operation during outages. Therefore, it protects connected devices from voltage fluctuations, overloads, and sudden power loss. Furthermore, the TWUP6000/HF supports pure sine wave output for sensitive electronic equipment. It also includes overload, short-circuit, and overheating protection for safer operation. Additionally, the tower design fits office, server room, and IT environments easily. Specifications: 6KVA online double conversion UPS technology Internal 16x12V/9Ah rechargeable batteries LCD display for real-time monitoring Pure sine wave output for stable power delivery Overload and short-circuit protection system
Legrand Ups Keor SPX Line Interactive 1KVA/600W- 310302 Specifications : Le grand ups keor spx 1kva 310302 UPS 1KVA 1000VA
APC 800VA BX800LI 415W UPS (IEC Plug) APC 650VA BX650LI UPS
The PCE Battery 12V 9Ah is a reliable and efficient power solution for various applications. Whether you need backup power for a UPS system or energy for your equipment, this battery ensures consistent performance. With a 12V output and 9Ah capacity, the PCE Battery delivers the power you need to keep your devices running smoothly. It’s ideal for use in security systems, emergency lighting, and other critical equipment. Designed for durability, the PCE Battery offers a long lifespan and requires minimal maintenance. Its sealed, lead-acid design ensures that it remains leak-proof and safe for use in different environments. The PCE Battery 12V 9Ah is compatible with a wide range of devices and systems. Whether you’re using it for home backup, industrial equipment, or a solar energy system, it provides dependable power when needed. This battery features advanced technology for efficient energy storage and reliable discharge. It also includes built-in safety features like overcharge and short-circuit protection, ensuring safe and stable operation. One of the key benefits of the PCE Battery is its easy installation. Whether you’re an expert or a beginner, this battery can be quickly installed and connected to your system with minimal effort. In conclusion, the PCE Battery 12V 9Ah is a perfect combination of reliability, performance, and safety. Choose this battery for a stable power supply and enjoy long-lasting energy for all your essential devices. Specifications: Voltage : 12V Capacity : 9Ah
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
The ProLink PRO910WL Professional II Series Online UPS is designed to provide stable and reliable power protection for servers, networking equipment, and critical electronic systems. It helps maintain continuous operation during power interruptions and protects connected devices from unstable electricity. The UPS provides a 10000VA capacity with an 8000W power rating. Additionally, it uses online double conversion technology to deliver clean and consistent power output for sensitive equipment that requires reliable energy support. The ProLink PRO910WL supports pure sine wave output for improved compatibility with different electronic devices. Moreover, its advanced power management system helps maintain stable voltage and frequency during changing power conditions. The UPS includes an LCD display that allows users to monitor important system information. Furthermore, the display provides details about input voltage, output voltage, battery status, load level, and operating conditions. The PRO910WL supports external battery configurations for extended backup time. In addition, it includes protection features against overload, short circuit, over-temperature, and battery-related issues to help protect connected equipment. The UPS is suitable for data centers, offices, industrial environments, and other locations that require dependable power backup. Therefore, it provides a practical solution for users who need continuous power protection for important systems. The ProLink PRO910WL Professional II Series Online UPS combines high power capacity, online protection technology, monitoring features, and safety functions. As a result, it delivers reliable backup power for critical applications. Specifications: Capacity: 10000VA / 8000W UPS Type: Online Double Conversion Output Waveform: Pure Sine Wave Display: LCD Display Protection: Overload, Short Circuit, Over Temperature, Battery Protection
PCE EX Online 2 KVA 1800W is a double-conversion online UPS designed to deliver continuous and stable power protection for computers, servers, and sensitive electronic equipment. It ensures uninterrupted operation during outages and unstable voltage conditions. In addition, PCE EX Online 2 KVA 1800W uses true online double-conversion technology. Therefore, it provides zero transfer time between mains and battery mode. Moreover, it delivers a pure sine wave output for safe and stable power to connected devices. Furthermore, PCE EX Online 2 KVA 1800W supports a 2kVA / 1800W load capacity. As a result, it can handle multiple devices such as PCs, routers, and small servers. It also maintains stable voltage regulation for sensitive workloads. In addition, PCE EX Online 2 KVA 1800W includes advanced protection features. Therefore, it helps protect against overload, short circuits, and power fluctuations. Moreover, it is designed for consistent performance in professional and office environments. Overall, PCE EX Online 2 KVA 1800W delivers reliable, uninterrupted, and high-quality backup power for critical systems. Specifications: 2kVA / 1800W power capacity for multiple devices Online double-conversion UPS technology Zero transfer time for uninterrupted power Pure sine wave output for safe device operation Protection against overload and voltage fluctuations
Specifications : Le grand ups keor spx 600va 310300 UPS 600va
Aokly Gel Battery 12V – 200A 58.5Kg manufacturer link
Key Features Output Connections (1) IEC 60320 C19 Input Connections Schuko CEE 7 / EU1-16P Cord Length 8.2ft (2.5meters) Power Cord, C19 to CEE/7 Schuko, 2.5m Wide selection of Rack PDU power cords for a variety of IT equipment. Specifications : Output Overload Protection No Maximum Total Current Draw 16 Input Input frequency 50/60 Hz Acceptable Input Voltage 90 – 250VAC Number of Power Cords 1 Maximum Input Current 16A Maximum Line Current 16A Physical Net Weight 0.49lbs. (0.22KG) Shipping weight 0.66lbs. (0.3KG) Shipping Height 2.01inches (51MM, 5.1CM) Shipping Width 4.02inches (102MM, 10.2CM) Shipping Depth 7.99inches (203MM, 20.3CM) Color Black Environmental Operating Temperature 32 – 113 °F (0 – 45 °C) Operating Relative Humidity 0 – 95 % Operating Elevation 0 – 10000ft (0 – 3048meters) Storage Temperature -25 – 65 °C Storage Relative Humidity 0 – 95 % Storage Elevation 0 – 50000ft (0 – 15240meters) manufacturer link
The PROLINK PRO1201 1200VA Super-Fast Charging UPS AVR is designed to provide reliable backup power and voltage protection for computers, networking equipment, and home electronics. It helps keep connected devices running during short power interruptions. The UPS provides a 1200VA capacity and uses Automatic Voltage Regulation (AVR) technology. Additionally, it helps stabilize unstable voltage levels to protect connected equipment from power fluctuations. The PROLINK PRO1201 features super-fast charging technology that helps reduce battery recharge time. Moreover, it allows the UPS to recover power faster after an outage and prepares it for future use. The UPS includes multiple protection features to help protect connected devices. Furthermore, it provides protection against overload, short circuit, surge, and low battery conditions during operation. The PROLINK PRO1201 features LED indicators that display important operating status information. Therefore, users can easily check the UPS condition and power status. The compact design makes the UPS suitable for homes, offices, and small workspaces. In addition, it provides a practical backup solution for computers, routers, and other essential devices. The PROLINK PRO1201 1200VA Super-Fast Charging UPS AVR combines backup power, voltage regulation, fast charging, and safety features. As a result, it provides reliable power support for everyday electronic equipment. Specifications: Capacity: 1200VA / 720W Technology: Automatic Voltage Regulation (AVR) Charging: Super-Fast Charging Technology Protection: Overload, Short Circuit, Surge, Low Battery Protection Display: LED Status Indicators
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 Twist Online High Frequency UPS 3KVA TWUP3000/HF delivers reliable backup power for servers, networking systems, and professional equipment. It uses online double conversion technology for continuous clean power output. Additionally, the high-frequency design improves efficiency and reduces power interruption risks. Moreover, the UPS includes an LCD display for real-time system monitoring and status alerts. It features internal 6x12V/9Ah batteries for backup operation during outages. Therefore, it helps protect sensitive devices from voltage fluctuations and sudden power loss. Furthermore, the TWUP3000/HF supports pure sine wave output for stable performance with critical equipment. It also includes overload, short-circuit, and overheating protection for safer operation. Additionally, the compact tower design fits office, server room, and IT environments easily. Specifications: 3KVA online double conversion UPS technology Internal 6x12V/9Ah rechargeable batteries LCD display for real-time monitoring Pure sine wave output for stable power delivery Overload and short-circuit protection system
Features and performances x Outstanding efficiency and overload. x Perfect management and limitation of AC sources. x Power shaving of the consumption peaks. x Automatic allocation of the power available. x Active filtering of the load steps on the genset. x Automatic protection of the sources against overload. x Powerful multi-stage PFC charger. x Ultra-short transfer time (from 0 to 15ms max.). x Automatic and efficient stand-by. x Compatible with AC coupling. x Display, programming and data logging. x RS-232 communication for remote supervision. x iPS Dim. : 44.50x20x17.2( LxWxH cm ) , 17.50 x 7.87×6.8 ( LxWxH inch) x Carton box Dim.: 53.5×30.5×30.5 (LxWxH cm) , 21.65×11.8×12 (LxWxH inch) x Weight : 25Kg ( 55lbs ) Model iPS 3700-24 Inverter Nominal battery voltage 24V Input voltage range 19 – 34V Continuous power @ 25°C 2000W Power 30 min. @ 25°C 2800W Power 25 sec. @ 25°C 5.6kVA Maximum load Up to short-circuit Maximum asymmetric load Up to Continuous power Load detection (stand-by) 2 to 25 W Maximum efficiency 86 – 90% Consumption OFF/Stand-by/ON 3W / 9W / 70W Output voltage Sine wave 220Vac (+/- 2%) / 190-245Vac Dynamic behavior 5 ms (on load change 0 to 100%) Overload and short-circuit Automatic disconnection up to 10 times restart attempt Overheat protection Warning before shut – with automatic restart Battery charger 6 step adjustable : I-U-Uo-Equalize-Uo(low)-U(periodic) Charging current adjustable 0 – 45A Maximum input voltage 265Vac Input AC voltage range Adjustable threshold from 150 to 265Vac Battery control Absorption end By duration 2 / 0.25 – 10 h or by current – / 4 – 30A Absorption voltage** 28.8 / 19 – 34V Periodic absorption voltage** 19 – 34V Floating voltage** 27.2 / 19 – 34V Reduced floating voltage 19 – 34V Equalization** By number of cycles (1 – 100) or at set interval (52 weeks) Equalization end By duration 4 / 0.25 – 10 h or by current – / 4 – 30A Deep-discharge protection 21.6 / 19 – 34V Reduced floating time 0 – 32 days Periodic absorption time 0 – 10 hours General data iPS 3700-24 Auxiliary Output 2 independent Transistor short circuit protected outputs Auxiliary Input 2 Opto Coupler Programmable Input 10V Æ 60VDC Net Weight 25Kg ( 55lbs ) Weight with the cartoon box 26.2Kg (57.5lbs) 1 Year warranty
LiFePO4 BATTERY SYSTEM LPBF Series 48250-48300 48V 250ah Solar Panel Rechargeable Lithium Battery For Energy Storage System model LPBF48250 capacity 48V 12.5KWH Voltage 48V Rated Voltage 51.2V Charge Voltage 57.6V Discharge Voltage Range 48-57.6V MAX.Charge&Discharge Current 120A DOD 95% Modeles Connection 1-6 in parallel Ingress protection IP21 Cycle Life >6000, @25°C Working Temperature Range -10-50°C Net Weight(kg) 159KG Gross Weight(kg) 183KG Dimension(MM) 615*350*955MM 5 Years Warranty Specifications: LiFePO4 BATTERY SYSTEM LPBF Series 48250-48300 model LPBF48250 capacity 48V 12.5KWH Voltage 48V Rated Voltage 51.2V Charge Voltage 57.6V Discharge Voltage Range 48-57.6V 5 Years Warranty
The Twist Line Interactive UPS 850VA TWUP850/LI provides backup power protection for computers, networking devices, and office electronics. It uses line interactive technology with automatic voltage regulation for stable power delivery. Additionally, the built-in 12V/7Ah battery supports continued operation during power interruptions. Moreover, the UPS includes LED status indicators for clear system monitoring. It also supports cold start functionality for startup without direct AC power. Therefore, it helps protect connected devices from voltage fluctuations and sudden outages. Furthermore, the compact tower design fits easily in home and office environments. The system also includes overload and short-circuit protection for safer daily operation. Additionally, the simulated sine wave output supports common desktop and networking equipment. Specifications: 850VA line interactive UPS technology Built-in 1x12V/7Ah rechargeable battery LED indicators for power status monitoring Automatic voltage regulation for stable output Overload and short-circuit protection system
