Max Configurable Power (Watts) 6.0kWatts / 6.0kVA Efficiency at Full Load 94.0 % 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 Input voltage range for main operations 110 – 300 Adjustable (half load), 176 – 300V Efficiency at Full Load 94.0 % Other Input Voltages 220 V, 240 V Batteries & Runtime Battery type Lead-acid battery Typical recharge time 3hour(s) Battery Charge Power (Watts) 373 Watts Runtime View Runtime Graph View Runtime Chart Communications & Management Interface Port(s) DB-9 RS-232, Intelligent Smart Slot, 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 685MM, 68.5CM Maximum Width 190MM, 19.0CM Maximum Depth 374MM, 37.4CM Net Weight 54.0KG Shipping weight 66.0KG Shipping Height 910MM, 91.0CM Shipping Width 290MM, 29.0CM Shipping Depth 495MM, 49.5CM Color Black Environmental Operating Temperature 0 – 40 °C Operating Relative Humidity 0 – 95 (Non-condensing) % 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 Protection Class IP20 1 YEAR WARRANTY
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
The Yuasa SW280 Industrial VRLA Battery delivers dependable backup power for industrial systems. It uses Valve Regulated Lead Acid (VRLA) technology for safety and maintenance-free use. Also, its sealed design prevents leaks and allows flexible installation. First, this battery is built to last in tough environments. Moreover, it resists vibrations and shocks in heavy machinery settings. Therefore, it works well in factories, security systems, and telecom units. Second, the Yuasa SW280 provides high capacity and consistent performance. It delivers stable output during power outages or load changes. In addition, it supports long discharge times when needed. Consequently, your critical system stays operational without interruption. Also, this battery is easy to install and service. It fits standard industrial racks and cabinets. Plus, it has clear terminal markings for safe connection. Thus, technicians can install it quickly and correctly. Moreover, the VRLA design means no water topping up is required. Therefore, you avoid extra maintenance and reduce downtime. Furthermore, the sealed casing minimizes acid exposure risk. Hence, it is safer for indoor installations. Another key feature is reliable thermal performance. It operates well in temperatures from 0°C to 40°C. Also, it handles variations in industrial climates. Thus, it maintains long service life and consistent power. Importantly, Yuasa provides strong quality assurance. Their factories follow strict ISO standards for production. Also, full warranty coverage gives peace of mind. Hence, you can trust the battery for critical workloads. In summary, the Yuasa SW280 Industrial VRLA Battery combines durability, safety, and dependable power. Furthermore, its maintenance-free and sealed design adds convenience and protection. If you need a trusted industrial battery, this is an excellent choice. Specifications: Length (mm) : 151 Width (mm) : 65 Height (mm) : 97.5 Weight (kg) : 2.6 Nominal Voltage : 12
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
APC UPS Accessories SURT192RMXLBP2 APC Smart-UPS RT192V RM 15/20KVA SURT models Battery Pack 2 Rows
The PCE PCD 12V 100Ah Deep Cycle Battery delivers strong and reliable power for many applications. It offers a larger 100Ah capacity for extended use. This helps engines, systems, and devices run longer between charges. Users experience dependable energy when needed most. Moreover, the PCE PCD Deep Cycle Battery uses a deep cycle design built for repeated discharge and recharge. It supports long-term use without damage. This increases the battery’s lifespan and reduces replacements. Performance remains consistent over time. In addition, the battery provides a stable 12 V output for balanced power delivery. It suits solar systems, RVs, marine setups, and backup power solutions. Power stays steady for lights and appliances. Daily use becomes more efficient. Furthermore, the PCE PCD 12V 100Ah Deep Cycle Battery features a rugged casing that protects internal cells. The strong build resists wear and harsh conditions. This helps maintain performance in many environments. Durability feels reassuring. Also, the battery supports deep discharge recovery for long service life. It recovers well after heavy use cycles. This improves energy storage and reliability. Users rely on strong power anytime. In addition, the PCE PCD Deep Cycle Battery is easy to install in compatible racks and holders. Connections stay secure and simple. Setup feels user-friendly for both beginners and professionals. Installation remains smooth. Furthermore, the PCE PCD Deep Cycle Battery performs steadily across varying temperatures. It stays reliable in moderate heat and cold. This makes it ideal for outdoor and mobile use. Overall, the PCE PCD 12V 100Ah Deep Cycle Battery delivers dependable power, long life, and robust performance. It fits homes, boats, RVs, and solar systems. This battery is perfect for users who want strong, lasting deep cycle energy every day. Specifications: Voltage : 12V Capacity : 100Ah
APC Easy UPS 800VA 230V Line Interactive UPS is a reliable power backup solution designed to protect home and office electronics from power outages, voltage fluctuations, and surges. It ensures stable and continuous operation for essential devices during unstable electricity conditions. It provides 800VA / 450W power capacity with line-interactive technology. Therefore, it automatically regulates voltage through AVR (Automatic Voltage Regulation) without switching to battery mode frequently. In addition, it helps extend battery life and maintain stable power output. The UPS includes an LED status display for clear monitoring of system and power conditions. As a result, users can easily check operational status, battery level, and load conditions at a glance. It features universal receptacles for flexible device compatibility. Meanwhile, its compact design and 5.3 kg weight make it easy to install in home or office environments. APC designs the Easy UPS series for dependable and efficient power protection. Therefore, this model is ideal for PCs, networking equipment, routers, and other essential electronics. Specifications: 800VA / 450W power capacity Line-interactive AVR technology LED status monitoring display Universal output receptacles Reliable backup for PCs and electronics
PCE CASA 1KVA inverter is a compact off-grid power solution designed for home and small office backup use. It helps keep essential devices running during power cuts, such as routers, lights, and small electronics. In addition, it provides pure sine wave output. Therefore, it delivers clean and stable power for sensitive devices. Moreover, it supports AC mains and generator input, which makes it flexible in different power conditions. Furthermore, PCE CASA 1KVA inverter includes smart battery charging control. As a result, it improves charging efficiency and helps extend battery life. It also supports automatic restart after power recovery, ensuring continuous operation. In addition, it includes built-in protection features. Therefore, it helps protect against overload, short circuit, and overheating. Moreover, it supports a cold start function for direct battery operation when no grid power is available. Overall, PCE CASA 1KVA inverter delivers reliable backup performance, stable output, and essential protection for everyday home and office energy needs. Specifications: 1KVA capacity for home and small office loads Pure sine wave output for stable device operation AC mains and generator input support Smart battery charging control for efficiency Built-in protection against overload and short circuit
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
Onduleur tour Keor LP avec batterie avec 2 prises de courant 2P+T + 6 prises IEC 10A – 3000VA 2700W – port USB et RS232 1 YEAR WARRANTY
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 PROLINK PRO700 Line Interactive UPS is designed to provide reliable backup power and protection for computers, networking devices, and other electronic equipment. It helps maintain stable operation during power interruptions and voltage fluctuations. With a 650VA capacity and 360W output power, this UPS provides practical power support for home and office environments. Additionally, its line-interactive design with AVR technology helps regulate voltage and improve power stability. The PRO700 supports a wide input voltage range from 140V to 300V AC. Moreover, it automatically senses 50Hz or 60Hz input frequency, allowing compatibility with different power environments. The UPS provides simulated sine wave output during battery mode and sine wave output during AC mode. Furthermore, the fast transfer time helps reduce interruptions when switching to battery operation. The built-in 12V 8.2Ah battery provides backup power for connected devices during outages. Therefore, users can safely save work and shut down equipment during unexpected power failures. The PROLINK PRO700 includes protection features against short circuits, overloads, discharge, and overcharge conditions. In addition, its intelligent battery management helps improve battery protection and lifespan. The compact design makes the UPS suitable for desktops, network equipment, and small office setups. Also, its low noise operation allows comfortable use in different working environments. The PROLINK PRO700 Line Interactive UPS combines voltage regulation, backup power, and essential protection features in a compact solution. As a result, it provides dependable power support for everyday electronic devices. Specifications: Capacity: 650VA / 360W Input Voltage Range: 140V–300V AC ±5% Battery: 12V / 8.2Ah sealed lead-acid battery Output Waveform: Simulated sine wave (Battery Mode) Protection: Short circuit, overload, discharge, and overcharge protection
Powerology Portable Power Generator,140400mAh Powerology 140400mAh Power Generator 500W Pure Sine-Wave Output -45W USB-C Power Delivery -18W USB-A Quick Charge -3.1A Dual USB Optimal Charge -220V UK AC Output -750W Max Surge
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
In the realm of uninterruptible power supplies (UPS), the Fanshine FSUPS 2000VA 900W stands out as a dependable solution, offering a robust and efficient power backup for your electronic devices. Transitioning to its key features, the UPS Fanshine FSUPS 2000VA 900W excels in providing a substantial power capacity, ensuring that your critical electronics remain powered during unexpected outages. This UPS is designed to safeguard your equipment and data. Moreover, this power supply solution impresses with its compact design, making it suitable for various settings, from home offices to small businesses. The Fanshine FSUPS seamlessly integrates into your space without compromising on performance. In addition to its functionality, the FSUPS 2000VA 900W offers versatile connectivity options, including multiple outlets for various devices. This ensures a flexible and efficient setup, protecting a range of electronics from power fluctuations. Furthermore, Fanshine’s commitment to user-friendly design is evident in the FSUPS 2000VA 900W’s easy setup and clear indicators. This ensures that users can monitor the status of their power supply effortlessly. In conclusion, the Fanshine FSUPS 2000VA 900W redefines reliability in power backup solutions, combining substantial capacity, compact design, and user-friendly features. Elevate your protection against power interruptions effortlessly with the FSUPS 2000VA 900W – your trusted solution for uninterrupted power! Specifications Model : FSUPS2000VA Input Voltage : 145VAC~290VAC Output Voltage : 195VAC~255VAC Output Wave Form : PWM/DC Output Frequency : 50Hz Backup Time : 10 to 15 minutes Noise Level : <45dB Operating Temperature : 0-45 Celsius
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
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 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
Original product name: UPS 5E650IUSBDIN Eaton Line Interactive UPS 650VA / 360W, AVR, 1 Schuko (DIN) + 2 IEC, USB port, software, Input / Output jacks included for Telephone / Modem / Internet Line surge protection, 2 Years Warranty (Including Battery) 5E650IUSBDIN Eaton Line Interactive UPS 650VA / 360W, AVR, 1 Schuko (DIN) + 2 IEC, USB port, software, Input / Output jacks included for Telephone / Modem / Internet Line surge protection 2 Years Warranty (Including Battery)
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
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 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
APC UPS Accessories APV9601 EASY UPS ON-LINE SNMP CARD, 1 – 10KVA (SRV models)
The APC 1600VA BX1600MI 900W UPS provides reliable backup power for home and office electronics. First, it delivers line-interactive output to protect devices from voltage fluctuations. In addition, it safeguards connected equipment from surges, spikes, and short outages. Moreover, the compact design allows easy placement near computers or servers. Finally, the LCD indicators display battery and load status for real-time monitoring. The BX1600MI-GR ensures uninterrupted operation and reliable protection for critical devices. manufacturer link Specifications: 900W / 1600VA line-interactive output for reliable device protection Protects electronics from power surges, spikes, and outages Compact design for easy placement near computers or servers LCD indicators for monitoring battery and load status Ensures uninterrupted operation during power interruptions
