The Twist Online High Frequency UPS 1KVA TWUP1000/HF delivers stable backup power for servers, networking devices, and office equipment. It uses online double conversion technology for continuous clean power output. Additionally, the high-frequency design improves efficiency and reduces switching interruptions. Moreover, the UPS includes an LCD display for real-time monitoring and system status updates. It also features built-in 2x12V/9Ah batteries for backup operation during outages. Therefore, it protects connected devices from voltage fluctuations, surges, and power loss. Furthermore, the TWUP1000/HF supports pure sine wave output for sensitive electronic equipment. It also includes overload, short-circuit, and overheating protection for safer operation. Additionally, the compact tower design fits home, office, and IT environments easily. Specifications: 1KVA online double conversion UPS technology Built-in 2x12V/9Ah rechargeable batteries LCD display for system monitoring Pure sine wave output for stable power Overload and short-circuit protection system
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
Features • Advanced DSP and 3-level technology • Output power factor 1.0 • Active power factor correction (APFC), input power factor up to 0.99 • High efficiency 95% (up to 98% in ECO mode) • Advanced digital parallel technology • Wide input voltage range (11 0 – 288 Vac) and frequency range (40 -70Hz) • 50 I 60 Hz frequency auto sensing • Two modes of frequency conversion: 50 Hz input I 60 Hz output or 60 Hz input I 50 Hz output • Dual-input design, supporting independent bypass • Flexible battery configuration (settable 16-20 pes batteries) • Digitally controlled charger • High charging current available (Max. 12 A) • Charging voltage and current configured by demands • Linear derating in low voltage input reducing battery discharging times, extending the service life of battery • Intelligent battery management, automatic floating I equalizing charge control, charger dormancy control, increasing battery life by 50%• Ability to switch on the UPS with batteries • Settable delayed start time when mains power is restored, reducing the impact on power grid or generator • Fan speed varies intelligently with temperature, reducing noise and extending its service life • Equipped with self-aging function • Compact internal layout, miniaturized the complete unit for small footprint • LCD+LED display, multi-functional keys operation, friendly human-machine interface • Powerful background software for parameters configuration • Advanced multi-platform communications: RS232, USB, RS485, SNMP and dry contacts communication interfaces • Effective software and hardware protection function, robust self-diagnostic function, and abundant event log for check Available Options • RS232 and smart card slot included • Optional parallel function, battery temperature compensation, SNMP card, USB, RS485 card, dry contacts, EMD, and SMS alarms Rear Panel 1. RS232 2. EPO 3. Parallel Port (optional) 4. USB (optional) 5. Temperature Detection (optional) 6. Intelligent Slot 7. Reserved: for manual bypass or battery breaker or outlets ect. 8.Fans 9. Bypass Breaker 10. Input Breaker 11.GND 12.Terminals and Cover http://en.eastups.com/EA900G4610kVA/6754.jhtml
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
The PROLINK PRO1501SFCU Super Fast Charging UPS is designed to provide reliable backup power and voltage protection for computers, networking equipment, gaming systems, and office electronics. It helps keep essential devices operating during power interruptions and unstable electrical conditions. The UPS provides a 1500VA capacity and uses line interactive technology with Automatic Voltage Regulation (AVR). Additionally, AVR helps stabilize input voltage fluctuations and delivers safer power to connected devices. The PROLINK PRO1501SFCU features super-fast charging technology that significantly reduces battery recharge time after a power outage. Moreover, this feature ensures the UPS becomes ready for the next interruption more quickly. The UPS includes multiple protection functions against overload, short circuit, surge, and battery discharge conditions. Furthermore, these protection features help improve the safety and reliability of connected equipment. The PROLINK PRO1501SFCU includes LED status indicators and audible alarms for easier system monitoring. Therefore, users can quickly check operating conditions and power status during daily use. The compact design makes the UPS suitable for homes, offices, and small business environments. In addition, it provides dependable backup support for desktop PCs, routers, NAS devices, and CCTV systems. The PROLINK PRO1501SFCU Super Fast Charging UPS combines backup power, rapid battery charging, AVR technology, and advanced protection features. As a result, it provides a practical and reliable power protection solution for everyday applications. Specifications: Capacity : 1500VA Input : 140-230VAC Output : 230VAC Transfer Time : 2ms Battery Type : 12V Backup Time : 40 Min (Depending on the load) Part Number : PRO1501SFCU
APC UPS Accessories VGL9901I Easy UPS Dry Contact Card/Relay I/O card, 1 – 10KVA (SRV models)
UPS battery 12V 7A Battery for UPS 7A 12v
Specifications : Professional II Series (1P/1P) Tower is specifically designed for operation in poor power areas. They provides high power density with long backup time in compact size. It’s ideal for ATMs, banking and other business critical applications. – True double-conversion – Microprocessor control optimizes reliability – Output power factor 0.8 – Wide input voltage (110 V – 300 V) – Converter mode available – ECO mode for energy saving – Generator compatible – Smart SNMP works well with either USB or RS-232 together – Comprehensive display allows easy monitoring and access of UPS status – Input power factor correction manufacturer link
Prolink PRO906WS 6KVA / 4800W Online UPS with AVR is a high-performance power backup solution designed for critical devices, servers, and sensitive electronics. It provides stable and continuous power protection against outages and voltage fluctuations. It features a 6000VA (4800W) capacity with pure sine wave output. Therefore, it ensures clean and reliable power delivery for computers, networking equipment, and industrial systems. In addition, it protects devices from sudden power loss and electrical damage. The UPS uses online double-conversion technology with built-in AVR (Automatic Voltage Regulation). As a result, it delivers consistent voltage output and improves equipment safety during unstable power conditions. It supports heavy-duty usage and long backup operation depending on load. Meanwhile, its robust design makes it suitable for business, IT infrastructure, and professional environments. Prolink designs its UPS systems for reliability and protection. Therefore, this model is an ideal choice for users who need uninterrupted and stable power supply for critical operations. manufacturer link Specifications: 6000VA / 4800W high capacity Pure sine wave output Online double-conversion UPS Built-in AVR voltage regulation Ideal for servers and critical systems
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
【2021 New 60W PD Version】This well-rececived large power bank is now back with 2 high-speed USB-C PD ports to refresh your portable charging experience. USB-C (1) port can transfer up to 60W power to your laptop while USB-C (2) port can keep your phones charged at a maximum speed of Max. 27W on the go. 【Massive Capacity】Packed with a enormous capacity of 72000mAh/266Wh as well as battery management system, this portable charger can pump out enough power to multiple devices simultaneously and securely at a high power conversion rate up to 90%. (Note: not TSA-approved, not allowed on a plane) 【Off-Grid Power for CPAP】The high-performing DC 12V/5A (150W max.) cigarette lighter port is ready to boost most CPAP machines on the market with a CPAP adapter (PURCHASED SEPARATELY), including Philips Dreamstation, Resmed Airsense/Aircurve 10, and Resmed S9. Please turn OFF the heater & the humidifier for extended runtime. 【Faster Recharging】Recharge the battery pack at full-speed via a solar panel with the two-way DC port in 3-4 hours, and the two-way USB-C (1) port in 5-6 hours. Please note that the USB-C (1) port and the DC port CANNOT be used at the same time. 【10W Wireless Charging】Align your smartphone to the charging pad to get rid of cords jumbled in your bag. The smart indicator allows you to keep taps on real-time charging status effortlessly. DOES NOT support wireless earbuds, smartwatches, and other low-power devices. https://www.renogy.com/content/files/Manuals/RC-P72000-01%202018.3.23.pdf
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
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 Beco GS3000 3000VA 1800W UPS delivers powerful backup power for demanding home, office, and business setups. It supports high-performance desktops, servers, and networking systems. This UPS helps prevent data loss and sudden shutdowns during power outages. Users enjoy dependable protection while working and gaming. Moreover, the Beco GS3000 3000VA 1800W UPS offers a strong 3000 VA capacity with 1800 W output power for heavy electrical loads. It keeps multiple devices powered longer during interruptions. This improves system stability and uptime. Reliability stays consistent under heavy use. In addition, the UPS features built-in surge protection for shielding electronics against voltage spikes. It guards your devices from electrical damage. This adds extra peace of mind during storms and unstable power. Protection remains strong and consistent. Furthermore, the Beco GS3000 3000VA 1800W UPS includes automatic voltage regulation to correct lows and highs. It balances voltage without manual input. As a result, connected systems receive steady power. This helps prolong device lifespan. Also, the UPS delivers reliable battery backup when electricity fails. You can save work and safely shut down devices before the battery runs out. This prevents data corruption and interruptions. Backup support feels dependable. In addition, the Beco GS3000 3000VA 1800W UPS includes clear LED indicators for easy status checks. You can monitor power and battery conditions at a glance. Monitoring becomes simple and intuitive. Users stay informed. Moreover, the UPS supports multiple output sockets for connecting many devices. This increases flexibility for busy workstations, servers, and media setups. You can protect key electronics with one unit. Furthermore, the Beco GS3000 3000VA 1800W UPS supports plug-and-play installation without complex steps. Setup is fast and stress-free for all users. Connections remain secure and organized. Also, the sturdy and compact design fits desks, shelves, and racks without taking much space. It blends well into office and home environments. Overall, the Beco GS3000 3000VA 1800W UPS delivers strong battery backup, surge protection, and steady voltage regulation. This UPS is ideal for users who need powerful and dependable power protection daily. Specifications: 3000VA, 1800W, LCD, Metal Case Input: 145-290 VAC Output: 230VAC 50/60HZ 12V 9AH *4pcs, Universal Socket *4 + EU Plug With AVR, Bypass output Overload and short circuit protection
MGE Eaton 5E Essential Plus 5E2000iUSB 2000VA UPS w/ Power Management USB Port
The ProLink PRO851SFCU Super Fast Charging UPS is designed to provide reliable backup power and voltage protection for computers, networking equipment, and home electronics. It helps keep essential devices operating during short power interruptions and unstable electrical conditions. The UPS provides an 850VA capacity and features line interactive technology with Automatic Voltage Regulation (AVR). Additionally, AVR helps stabilize voltage fluctuations and protects connected devices from overvoltage and undervoltage conditions. The ProLink PRO851SFCU features super-fast charging technology that significantly reduces battery recharge time after power outages. Moreover, this feature helps ensure the UPS is ready for future interruptions more quickly. The UPS includes multiple protection functions against overload, short circuit, surge, and battery discharge conditions. Furthermore, these protection features help improve the safety and reliability of connected equipment. The PRO851SFCU includes LED status indicators that allow users to monitor operating conditions easily. Therefore, users can quickly check power status, battery mode, and system operation. The compact design makes the UPS suitable for homes, offices, and small workspaces. In addition, it provides dependable backup support for desktop computers, routers, CCTV systems, and other important electronic devices. The ProLink PRO851SFCU Super Fast Charging UPS combines backup power, fast battery charging, AVR technology, and safety features. As a result, it provides a practical and reliable power protection solution for everyday use. Specifications: Capacity : 850VA Input : 230VAC Output : 230VAC Input Voltage : 510W Transfer Time : 2ms Battery Type : 12V/10Ah x1 Backup Time : 10-30 Min Part Number : PRO851SCFU
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
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
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
FANTECH NS11 Portable Aluminum Laptop Stand is designed to improve comfort, posture, and airflow while using a laptop. It is suitable for office work, study, and remote setups. It features an adjustable height and angle design that allows users to position their laptop at a more ergonomic viewing level. Therefore, it helps reduce neck and back strain during long working sessions. The stand is made from durable aluminum alloy for strong support and long-lasting use. In addition, it provides stable holding for laptops up to 15.6 inches. Its foldable and lightweight design makes it easy to carry and store. Moreover, the included free pouch adds convenience for travel and portability. The open structure improves ventilation and helps prevent laptop overheating. As a result, it offers a practical solution for comfortable and efficient laptop use. Specifications: Adjustable height and viewing angle Durable aluminum alloy construction Supports laptops up to 15.6 inches Foldable portable lightweight design Includes free carrying pouch
FANTECH NC30 Laptop Cooling Stand is designed to improve laptop cooling, comfort, and usability during long gaming or working sessions. It supports laptops up to 17.3 inches, making it suitable for both gaming laptops and professional setups. It features a detachable RGB fan that provides active cooling to reduce heat buildup. Therefore, it helps maintain stable performance during heavy workloads and extended use. The stand offers adjustable height and a 360° swivel design for flexible positioning. In addition, it improves ergonomic comfort by allowing users to find the best viewing angle. Its strong structure ensures stable support for large laptops. Moreover, the open design enhances airflow for better passive cooling efficiency. The RGB lighting adds a stylish gaming aesthetic to any setup. As a result, it combines performance, comfort, and visual appeal in one cooling solution. Specifications: Detachable RGB cooling fan Adjustable height ergonomic design 360° swivel rotation base Supports laptops up to 17.3 inches Enhanced airflow cooling structure
FANTECH NC21 Cooling Pad is designed to improve laptop cooling performance, comfort, and usability during long gaming or working sessions. It supports efficient airflow with a powerful dual-fan system for stable temperature control. It features large dual fans that deliver strong cooling performance across the laptop base. Therefore, it helps reduce overheating and maintain smoother system performance during heavy use. The stand includes 8 levels of height adjustment for better ergonomic positioning. In addition, it helps reduce neck and back strain by improving viewing angles. A built-in phone holder adds extra convenience for multitasking. Moreover, RGB lighting enhances the gaming setup with a stylish visual effect. Its sturdy design supports stable laptop placement while maintaining effective airflow. As a result, it combines cooling, comfort, and functionality in one setup solution. Specifications: Max Weight Load : 10 KG Material : Steel Size : 259 x 225 x 43mm Weight : 1440 Compatibility : Laptops or Tablets up to 17 inches
FANTECH NS12 Laptop Stand is a portable and adjustable stand designed to improve comfort, posture, and laptop cooling. It is suitable for office work, study, and remote setups where ergonomic positioning is important. It offers 16 levels of height adjustment, allowing users to find the most comfortable viewing angle. Therefore, it helps reduce neck and shoulder strain during long hours of use. The stand is built with durable aluminum alloy for strong stability and long-term use. In addition, it supports laptops up to 15.6 inches securely. Its foldable design makes it easy to carry and store in a bag. Moreover, the included free pouch improves portability for travel and daily commuting. The open-frame structure enhances airflow around the laptop. As a result, it helps improve cooling performance during heavy use. Specifications: 16-level height adjustment system Durable aluminum alloy construction Supports laptops up to 15.6 inches Foldable portable lightweight design Free carrying pouch included
FANTECH NS10 Lifting Laptop Stand Silver is a height and angle adjustable stand designed to improve comfort, posture, and airflow during laptop use. It is suitable for office work, study, and home setups. It allows flexible adjustment of height and viewing angle to match user preference. Therefore, it helps reduce neck and shoulder strain during long working hours. The sturdy aluminum-style frame provides stable support for laptops of different sizes. In addition, it keeps the device secure during typing and daily use. Its open design improves ventilation around the laptop. Moreover, this helps reduce heat buildup and supports better cooling performance. The lightweight and foldable structure makes it easy to carry and store. As a result, it offers a practical ergonomic solution for everyday use. Specifications: Max Weight Load : 10 KG Material : Steel Size : 259 x 225 x 43mm Weight : 1440 Compatibility : Laptops or Tablets up to 17 inches
FANTECH NS10 Lifting Laptop Stand is a compact and adjustable stand designed to improve comfort and ergonomics during laptop use. It is suitable for office work, study, and home setups. It features height and angle adjustment to help users find a comfortable viewing position. Therefore, it reduces neck and shoulder strain during long working hours. The sturdy frame provides stable support for laptops of different sizes. In addition, it keeps the device secure during typing and daily use. Its open design improves airflow around the laptop. Moreover, this helps reduce heat buildup and supports better cooling performance. The stand is lightweight and easy to adjust, making it practical for everyday use. As a result, it offers a simple and effective ergonomic solution for any workspace. Specifications: Max Weight Load : 10 KG Material : Steel Size : 259 x 225 x 43mm Weight : 1440 Compatibility : Laptops or Tablets up to 17 inches