UPS battery 12V 7A Battery for UPS 7A 12v
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
APC UPS Accessories SURT48XLBP APC Smart-UPS RT 48V 1/2KVA SURT models Battery Pack
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
APC UPS Accessories SURTRK APC Smart-UPS RT 19″ Rail Kit 1 – 2.2KVA
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
INVO Online INH300 Centralized server center, mainframe, network control center, computing center Full Specifications : 3KVA 2100 W Half -Load 120 -300VAC, Full -Load 165V -300VAC 45.5Hz ~ 54.5Hz 220/230/240V ± 3% Waveform True Sine wave Frequency 50/60Hz ± 0.5 Distortion <3%(linear Load); <5%(Non -linear Load) Crest Factor 3:1 Efficiency 85% Overload Capacity 110%-150%:Switch to Bypass after 1min; >150%:Shutdown afte r 200ms Short Circuit UPS output turn off and alarm RS232 ;SNMP (Optional) LCD & LED Utility, Inverter, Bypass, Battery, Load ,Battery Mode ,Frequency , UPS Fault Indicator Audible Alarm -Battery Discharge Utility Failure, Beep/4s;Battery Low, Beep/1s UPS Abnornmal Continuous Beep and Red Led On Noise <55db (1Meter) Temperature 0°C~40°C Humidity 10%~90% Optional 19 inch Rack -mount Dimension (W * D * H) mm 357 x 144 x 215 439x190x341 514X262X455 (Long Time Mode) 514x262x710 (Standard Model) Specifications: Specifications : INVO Online UPS High Frequency 3000 VA, LCD Display Inbuilt Battery 6 x 12V/7Ah AC Input 2. Bypass 3. AC Output 4. Battery 5. Fault 6. Screen 9. LCD 1. AC Input 2. Bypass 3. AC Output 4. Battery 5. Fault 6. Screen 9. LCD 1 year warranty Manufacturer Link
PCE EX Online 3 KVA 2700W is a double-conversion online UPS designed for continuous and stable power protection. It is used for sensitive equipment such as servers, network systems, and critical office devices that require uninterrupted electricity. In addition, PCE EX Online 3 KVA 2700W uses online double-conversion technology. Therefore, it provides zero transfer time between mains and battery mode. Moreover, it delivers clean and stable pure sine wave output for safe operation of connected devices. Furthermore, PCE EX Online 3 KVA 2700W supports a 3000VA / 2700W capacity rating. As a result, it can handle high-load systems such as multiple PCs and networking equipment. It also maintains consistent voltage regulation for sensitive electronics during unstable power conditions. In addition, PCE EX Online 3 KVA 2700W includes advanced protection features. Therefore, it guards against overload, short circuits, voltage fluctuations, and power failures. Moreover, it is designed for long-duration reliability in professional environments. Overall, PCE EX Online 3 KVA 2700W delivers strong performance, zero-interruption switching, and high-level protection for critical power backup needs. Specifications: 3000VA / 2700W high-capacity output Online double-conversion UPS technology Zero transfer time for uninterrupted power Pure sine wave output for sensitive devices Advanced protection against overload and faults
Aokly Gel Battery 12V – 200A 58.5Kg manufacturer link
MGE Eaton 5E Essential Plus 5E2000iUSB 2000VA UPS w/ Power Management USB Port
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
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
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 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
The PCE PCD 12V 65Ah Deep Cycle Battery delivers dependable power for a wide range of applications. It provides stable energy over long discharge cycles. This battery supports regular use in marine, RV, solar, and backup power systems. It fits well where lasting performance matters. Moreover, the PCE PCD Deep Cycle Battery features a deep cycle design for long life and strong reliability. It tolerates repeated charging and discharging without damage. This increases uptime and reduces maintenance needs. Users enjoy continuous power without frequent replacements. In addition, the battery delivers 12 V and 65 Ah capacity for steady power delivery. This suits medium and high demand systems. Appliances, lights, and electronics receive reliable current. It helps systems stay stable in everyday use. Furthermore, the PCE PCD 12V 65Ah Deep Cycle Battery includes sturdy construction for long-lasting durability. The strong casing protects internal cells against wear and tear. This adds confidence in heavy use environments. Performance remains consistent over time. Also, the battery supports deep discharge recovery for extended service life. It recovers well even after heavy drain cycles. In addition, the PCE PCD Deep Cycle Battery is easy to install in many setups. It fits most battery holders and racks without fuss. Connections remain secure and simple. Furthermore, the PCE PCD Deep Cycle Battery supports stable performance in varying temperatures. It remains reliable in moderate heat and cold. This helps outdoor and mobile applications. Overall, the PCE PCD 12V 65Ah Deep Cycle Battery delivers strong power, lasting durability, and smooth performance. It fits home, marine, solar, and backup use. This battery is ideal for users who want dependable deep cycle energy every day. Specifications: Voltage : 12V Capacity : 65Ah
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
APC UPS Accessories SRVRK2 APC Easy UPS RAIL KIT, 900MM, 1 – 10KVA (Rackable SRV models)
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 Specifications Voltage range OUTPUT Output wiring Rated voltage Voltage regulation Frequency Waveform Power factor Total harmonic distortion (THDv) Crest factor Overload BATTERIES DC voltage Number of battery lnbuilt battery (standard model) Charging current Recharge time EM Efficiency Transfer time Protections Max. number of parallel connections Communications Display OTHERS Operating temperature Storage temperature Relative humidity Altitude !Prating Noise level at 1 m Dimensions (W x D x H) (mm) Packaged dimensions (W x D x H) (mm) Net weight (kg) Gross weight (kg) 110- 176 Vac (linear derating between 50% and 100% load); 176- 288 Vac (no derating) Single-phase three-wire (1 Cll + N + PE) 208 (PF=0.9) 1220 1230 1240 Vac ± 1% Synchronized to bypass in mains mode; 50 160 Hz±0.1% Hz in battery mode Sinusoidal 1 s 1% (linear load); s 4% (non-linear load) 3:1 105%- 110% for 10 min, 110%- 125% for 1 min, 126%- 150% for 30 s 192 Vdc (192- 240 Vdc settable) 16 pes (16- 20 settable) 12VI7Ahx16 I 12VI9Ahx16 Standard model: 1 A; Long time model: 5A(default), 1 – 5Asettable, 12A (optional) Standard model: 90% capacity restored in 8 hours; Long time model: depend on the capacity of battery ~ 94% at 100% load, max. 95% at 60% load,~ 98% in ECO mode Oms Short-circuit, overload, overtemperature, battery low voltage, overvoltage, undervoltage and fan failure 4 RS232 (standard), USB I RS4851 dry contacts I SNMP I baltery temperature compensation (optional) LCD+ LED O”C – 40″C -25″C – 55″C (without battery) 0 – 95% (non-condensing) s 1 000 m, derating 1% for each additional 1 00 m IP20 S55dB S58dB 191 X 465 X 711 (S), 191 X 465 X 350 (H) 191 X 495 X 711 (S), 191 X 495 X 350 (H) 310 X 654 X 941 (S), 318 X 595 X 475 (H) 310 X 685 X 941 (S), 318 X 617 X 475 (H) 53 (S), 14.5 (H) 62 (S), 16.5 (H) 61 (S), 16 (H) 70 (S), 18 (H)
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 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 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 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 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
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