The HP Series 7 Pro 27″ 2K 165Hz Gaming Monitor delivers crisp, sharp visuals for games, work, and media. Its 2K resolution shows more detail than FHD. The 27-inch size gives ample space for immersive scenes and multitasking. This helps you see more content and stay productive. Moreover, the HP Series 7 Pro 27″ 2K 165Hz Gaming Monitor features a high 165 Hz refresh rate. This refresh rate makes motion smoother and cleaner on screen. Fast-paced games and action scenes appear smoother and responsive. This reduces blur and improves reaction time. In addition, the monitor offers low response time for precise input. Quick response helps reduce ghosting and keeps fast visuals sharp. It makes your movements feel accurate during gameplay. This enhances gaming performance, especially in competitive titles. Furthermore, the HP Series 7 Pro 27″ 2K 165Hz Gaming Monitor uses a high-quality panel with bright colors and good contrast. Colors stay strong and true under different viewing angles. Also, the monitor supports multiple connection options like HDMI and DisplayPort. This allows easy setup with PCs, laptops, or consoles. The installation is simple, and connections are stable. This makes it ready quickly for gaming or work. The monitor’s design is modern and minimal. The slim bezels offer a sleek look that fits many setups. The stand is stable and supports adjustable viewing angles. The build feels solid, adding long-term durability. Overall, the HP Series 7 Pro 27″ 2K 165Hz Gaming Monitor provides strong performance, sharp visuals, and smooth motion. It improves gaming, creative work, and daily tasks. It fits gamers, designers, and professionals who want quality and speed in one display. Specifications: Display : 27″ IPS Resolution : QHD 2560×1440 Refresh Rate : 165Hz Response Time : 5ms
ZOWIE XL2411K ZOWIE XL2411K With the introduction of the PS5 and Xbox Series X. console gamers are finally able to take advantage of a 120Hz refresh rate . This is a significant upgrade for competitive FPS players, as the increased smoothness and clarity . can result in quicker reaction times and easier tracking of enemies. DyAc™ Technology – A Different Spray Feeling DyAc™ makes vigorous in-game actions such as spraying less blurry. This allows gamers to see the position of crosshair and impact points more clearly which can help with recoil control. Different In-Game Color Modes – Play To Your Liking We are releasing tailored game modes to meet different preferences and scenarios. Each color setting takes careful consideration, game by game, scene by scene. to make sure the colors work throughout the gameplay, and not compromised across different maps. Make Visual Adjustments Based on Your In-Game Needs Black eQualizer to increase visibility in dark scenes without the bright areas. Color Vibrance to adjust color setting and tone to differentiate enemy targets in-game. and Game modes to switch between presets for different game titles. these are all adjustments that allow players to play with their preferred visual settings. XL Setting to Share Share your own settings with a teammate, friend, or your fans. Save video profiles quickly and share conveniently through a simple user interface. Fluid & Flexible Adjustment – More Comfort In-Game We understand that each player has his/her own unique combination of monitor height and angle adjustment. With height adjustment & free tilt, players are able to setup quickly and conveniently resulting in a more comfortable playing environment. Smaller Base – More Playing Space New base is designed to take up less space while maintaining the same stability. This allows gamers more space in their setup for in-game movements and allows. them the flexibility to make adjustments and play comfortably. Specifications: Specifications LCD size (inch) 24″ Aspect ratio 16:9 Max. resolution (PC/Laptop) 1920 x 1080 at 144Hz (HDMI 2.0, DP) Max. resolution (Console) 1920 x 1080 at 120Hz for PS5 / Xbox series X (HDMI2.0) Refresh rate 144Hz Display area (mm) 531.36 x 298.89 Pixel pitch (mm) 0.276 1 year warranty Manufacturer Link
In the realm of monitors, the ViewSonic VG2748 stands out as a powerhouse, offering exceptional visual clarity and a range of features to boost productivity for an enhanced viewing journey. Transitioning to its key features, the VG2748 excels in providing crisp and detailed visuals. This monitor is designed to deliver sharp images and vibrant colors, ensuring a visually engaging experience for work, presentations, or creative tasks. Moreover, this display impresses with its sleek and professional design. The ViewSonic VG2748 not only complements your workspace but also ensures a slim profile and ergonomic stand, allowing for customized and comfortable viewing. In addition to its functionality, the VG2748 offers user-friendly controls and versatile connectivity options, ensuring a seamless and adaptable experience. This monitor effortlessly adapts to various settings, providing flexibility for different work environments. Furthermore, ViewSonic’s commitment to user satisfaction is evident in the VG2748’s advanced ergonomic features and eye-care technology. It’s a reliable companion for extended work sessions, offering both visual excellence and comfort. In conclusion, the ViewSonic VG2748 redefines productivity, combining high-quality visuals, professional design, and user-friendly features. Elevate your work experience effortlessly with the VG2748 – your partner in a seamless and efficient viewing journey! Specification vDisplay Manager SuperClear IPS 178˚/ 178˚ Low Energy Consumption Dual Speakers Refresh Rate : 60Hz Flicker-Free Blue Light Filter ViewMode : Game/Movie/Web/Text/Mono/Mac Ports : 4 USB-A |1 VGA | 1 HDMI | 1 Display Port
HP E27q G5 QHD Monitor Firstly, the HP E27q G5 monitor is your gateway to an enhanced visual experience without breaking the bank. Whether you’re working, gaming, or indulging in multimedia content, this monitor has you covered. Secondly, one of the standout features of the HP E27q G5 is its Quad High Definition (QHD) display. This means you can enjoy crystal-clear visuals with sharp details for a wide range of tasks. The 27-inch screen size provides a generous canvas for all your computing needs, from productivity to entertainment. You get more screen real estate to enhance your multitasking capabilities. With a sleek and modern design, the E27q G5 monitor is a stylish addition to any workspace. It effortlessly blends with your existing setup, adding a touch of sophistication. Adjusting the monitor to your desired height is easy, thanks to its ergonomic design. Achieve the perfect viewing angle for comfort during extended work or gaming sessions. Connecting the HP E27q G5 is a straightforward process, and it’s compatible with standard ports for quick setup. No need to deal with complicated installation procedures. This monitor is a cost-effective choice for professionals, gamers, and multimedia enthusiasts. It offers top-notch features without straining your budget, making it an excellent investment. Specifications: QHD (2560 x 1440) 1000:1 5ms GtG (with overdrive) IPS
A sleek and durable pre-owned Lenovo ThinkPad T460s with 14" touchscreen, 6th Gen Core i5, 8GB RAM, and 256GB SSD—ideal for professionals who need portability, touch functionality, and trusted ThinkPad reliability.
The Samsung 83-Inch OLED S85F 4K Vision AI Smart TV | QA83S85FAEXTW delivers a premium home cinema experience with a massive OLED display. It uses OLED technology that produces deep blacks, strong contrast, and rich colors. As a result, movies, sports, and games look more realistic and immersive on the large 83-inch screen. Samsung Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, color, and sharpness. Therefore, the viewing experience stays balanced and clear without manual tuning. In addition, AI upscaling improves lower-resolution content and upgrades it closer to 4K quality for better detail and clarity. The OLED panel uses self-lit pixels, so every part of the image is controlled individually. This improves detail in dark scenes while keeping bright areas accurate and vivid. HDR further expands contrast and color range, making visuals more lifelike. Fast motion also appears smoother, which improves sports and action viewing. Samsung’s Smart TV system provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and responds quickly when switching between apps. In addition, the ultra-slim design with thin bezels gives the TV a modern and premium appearance that fits large living rooms and entertainment spaces. Overall, this Samsung OLED TV combines large-screen immersion, AI-powered optimization, and smart connectivity. It is designed for users who want a high-end cinematic viewing experience at home. Specifications: OLED technology delivers deep blacks and rich color accuracy 83-inch 4K display provides immersive large-screen viewing Vision AI optimizes picture and sound automatically in real time HDR enhances contrast, brightness, and color depth Smart TV platform supports streaming apps and smart features
Looking for a monitor that enhances your gaming and multimedia experience? Look no further than the AOC 27B2HM2. With its 27-inch screen size and 100Hz refresh rate, it offers a captivating viewing experience. Transitioning to performance, the 100Hz refresh rate ensures smooth and fluid visuals, eliminating motion blur and screen tearing. Whether you’re gaming, streaming, or watching movies, every frame is displayed with precision and clarity. Moreover, the monitor’s Full HD resolution delivers crisp details and vibrant colors, bringing your content to life. Dive into your favorite games or immerse yourself in cinematic adventures with stunning clarity and realism. In terms of design, the AOC 27B2HM2 features a sleek and modern aesthetic that complements any gaming setup or workspace. Its slim bezels maximize screen real estate, providing an expansive viewing area without distractions. Furthermore, with multiple connectivity options including HDMI and VGA ports, this monitor offers versatility and compatibility with a wide range of devices. Easily connect your gaming console, PC, or laptop and enjoy immersive entertainment. In conclusion, the AOC 27B2HM2 27″ 100Hz Monitor is the perfect choice for gamers and multimedia enthusiasts seeking exceptional performance and stunning visuals. Elevate your viewing experience to new heights with this feature-packed monitor. Specifications: Display : 27″ VA Resolution : 1920 × 1080 (FHD) Refresh Rate : 100Hz Response Rate : 4ms
Apple MacBook Pro 13” (2015) — reliable performance and classic MacBook design.• Intel Core i5 • 8 GB RAM • 128 GB SSD • Retina DisplaymacOS | Backlit Keyboard
Looking to level up your gaming setup? Meet the Samsung 32″ 165Hz Gaming Monitor, your gateway to unparalleled gaming experiences. With its cutting-edge features and stunning display, get ready to immerse yourself in the action like never before. First and foremost, let’s talk about the impressive 165Hz refresh rate. Say goodbye to lag and motion blur as you enjoy buttery-smooth gameplay that keeps up with even the fastest-paced action. Get a competitive edge with fluid, responsive visuals that enhance your gaming performance. Moreover, the 32-inch display delivers breathtaking visuals that pull you into the heart of the game. Experience vibrant colors, sharp details, and immersive graphics that bring your favorite games to life. From epic battles to stunning landscapes, every moment is rendered with stunning clarity. But the benefits don’t stop there. With features like AMD FreeSync technology, enjoy tear-free gaming with seamless synchronization between your monitor and graphics card. Say goodbye to screen tearing and stuttering for a flawless gaming experience from start to finish. Additionally, the sleek design of the Samsung 32″ 165Hz Gaming Monitor adds style to any gaming setup. Its slim bezels and adjustable stand offer both form and function, allowing you to customize your setup for optimal comfort and immersion. In conclusion, whether you’re a casual gamer or a competitive esports enthusiast, the Samsung 32″ 165Hz Gaming Monitor is your ticket to gaming greatness. Elevate your gaming experience with smooth gameplay, stunning visuals, and unbeatable performance. Get ready to dominate the virtual battlefield like never before! Specifications: Display : 32″ VA Resolution : 1,920 x 1,080 Refresh Rate : 165Hz Response Rate : 1ms
Size 34″ Display Type IPS Color Gamut (Typ.) sRGB 99% (CIE1931) Color Depth (Number of Colors) 16.7M Pixel Pitch (mm) 0.312 x 0.310 mm Response Time (GTG) 5ms (GtG at Faster), 1ms MBR Refresh Rate 75Hz Aspect Ratio 21:9 Display Resolution UW-FHD Resolution 2560 x 1080 Brightness 400cd/m² Contrast Ratio 1000:1 Viewing Angle 178º (R/L), 178º (U/D) Surface Treatment Anti-Glare INPUT/OUTPUT HDMI Yes x 1 DisplayPort Yes x 1 USB Type-C Yes (DP Alternate Mode) Headphone Out Yes POWER Type Adapter Input 100-240 Vac, 50/60Hz Power Save/Sleep Mode (Max.) Less than 0.5W DC Off (Max.) Less than 0.3W Power Consumption (Typ.) 30W Power Consumption (Max.) 40W SPECIAL FEATURES Color Weakness Mode Yes Adaptive Sync AMD FreeSync™ Black Stabilizer® Yes Dynamic Action Sync® Yes Crosshair® Yes Flicker Safe Yes Smart Energy Saving Yes Reader Mode Yes Super Resolution+ Yes Color Calibrated Yes Dual Controller Yes OnScreen Control (OSC) Yes HDR (High Dynamic Range) HDR10 VESA DisplayHDR™ DisplayHDR™ 400 HDR Effect Yes Auto Input Switch Yes Motion Blur Reduction Technology Yes FreeSync (Low Frame Compensation) Yes 1ms Motion Blur Reduction Yes SOUND Speaker No Built-in Speaker DIMENSIONS/WEIGHTS With Stand (WxHxD) 32.2″ x 22.4″ x 9.4″ (Up), 32.2″ x 18.0″ x 9.4″ (Down) Without Stand (WxHxD) 32.2” x 14.4” x 1.8” Shipping Dimensions (WxHxD) 37.0″ x 20.3″ x 8.6″ With Stand Weight 17.4 lbs Without Stand Weight 13.2 lbs Shipping Weight 24.0 lbs STAND Display Position Adjustments Tilt/Height CABINET/ACCESSORIES Wall Mount Size (mm) 100 x 100 mm HDMI Yes 3 Years Warranty manufacturer link
Specifications Feature Value Feature Value Input/Output Other Sound Mode Extra Bass Mode Category Speakers Use Other Input Power (W) 25-49W Voice Control No Waterproof Yes Support APP No Intelligent Personal Assistant None Audio Crossover Full-Range Number of Loudspeaker Enclosures 2 Power Source None Channels 2 (2.0) Battery Yes Communication USB Speaker Type Portable Cabinet Material Plastic Brand Name QUCAA Origin Mainland China Certification CE
Genuine-spec US layout keyboard replacement for MacBook Pro 15″ (Models A1706 and A1707, 2016–2017)—featuring Apple’s second-generation Butterfly mechanism, backlighting, and full OEM compatibility for professional-grade repairs. Compatible With: MacBook Pro 15″ (2016, Model A1707) MacBook Pro 15″ (2017, Model A1706) Both models include Touch Bar and are powered by Intel Core i7/i9 processors. MacBook Pro 15″ (2016, Model A1707) MacBook Pro 15″ (2017, Model A1706) Both models include Touch Bar and are powered by Intel Core i7/i9 processors. Layout: Standard US English (QWERTY) with full-size keys, inverted-T arrow keys, and dedicated function row (mapped to Touch Bar). Keyboard Type: Apple’s 2nd-generation Butterfly mechanism—thinner profile with reduced travel; known for sensitivity but requires careful handling. Integrated Features: Backlit keys, ambient light sensor support, and original ribbon cable connector matching Apple’s design for direct logic board attachment. Build & Fit: Precision-engineered to align flush with the top case—ensures consistent key height and tactile response when properly installed. Installation Note: The keyboard is glued into the top case and must be carefully removed and re-adhered. Requires full disassembly of display, battery, and internal components. Recommended for experienced technicians only.
LG UHD 4K 27″ Standing screen display size 27 Inches Screen Resolution 3840 x 2160 Max Screen Resolution 3840 x 2160 Pixels Brand LG Series 27UL500-W Item model number 27UL500-W Item Weight 11.2 pounds Product Dimensions 8.2 x 24.5 x 18.1 inches Item Dimensions LxWxH 8.2 x 24.5 x 18.1 inches Color White Power Source AC Manufacturer LG Language English ASIN B07PGL2WVS Country of Origin China Date First Available March 1, 2019 MONITOR RESOLUTION: 3840×2160 SIZE: 27″ MONITOR REFRESH RATE: 60Hz SYNC: Free-Sync CONNECTOR TYPE: HDMI CONNECTOR TYPE: DisplayPort LG UHD 4K 27″ n-Plane Switching (IPS) Panel. HDMI | DisplayPort Inputs. 3840 x 2160 4K UHD Resolution. 1000:1 Static Contrast Ratio. 300 cd/m² Brightness. 178°/178° Viewing Angles. 5 ms Response Time (GtG) 1.07 Billion Colors. Brand LG Screen Size 27 inch Resolution 3840 x 2160 pixels Display Technology IPS Screen Surface Matte Refresh Rate 60 Hz Response Time 5 ms Viewing Angle 178° Brightness 300 cd/m2 Contrast Ratio 1000:1 Connectivity HDMIDisplay Port Device Dimensions (WxHxD) 24.5 x 18.1 x 8.2 inch Features FreesyncHeadphone OutVesa Mountable Weight 11.3 pounds This IPS computer monitor helps keep colors consistent at a wide viewing angle while reproducing 98 percent coverage of the sRGB color spectrum. Color Calibration helps maintain accurate color on the screen and prevents gradual changes. For More Information Click Here For More LG Monitors Click Here Specifications: LG UHD 4K 27″ Standing screen display size 27 Inches Screen Resolution 3840 x 2160 Max Screen Resolution 3840 x 2160 Pixels Brand LG Series 27UL500-W Item model number 27UL500-W 1 Year Warranty Manufacturer link
Laptop Battery for Acer E5-573 Battery for Acer AL15A32, Acer Aspire E5-422, Aspire E5-522, Aspire V3-574 Laptops. About this item Compatible For Preferred Model : Acer Aspire V3-574G E5-473G E5-573G E5-553G E5-522 Warranty Not Covered if Defects due to External Causes, Accidental, Physical or Liquid Damage, Cut, Burnt, Misuse and Missing Warranty Stickers or Labels. Battery Capacity/Power Capability (mAh/Wattage) be different From The Reference Picture But the Backup of the Battery Will Be the Same As the Original Please Match Your Product With The Image Provided Before Placing The Order
The Riotouch 65″ Interactive Panel is designed to transform educational and professional environments with its cutting-edge features and user-friendly interface. This interactive flat panel offers a seamless blend of performance, connectivity, and intuitive design, making it an ideal choice for classrooms and conference rooms. Featuring a 65-inch 4K UHD display (3840 x 2160 resolution), the panel delivers crisp visuals and vibrant colors. Its 4mm anti-glare tempered glass ensures clear visibility from any angle, reducing eye strain during prolonged use. The panel supports up to 40-point multi-touch and 20-point multi-writing capabilities, allowing multiple users to interact simultaneously. This feature fosters collaborative learning and dynamic presentations, enhancing engagement and productivity. Powered by a quad-core Cortex-A55 processor and equipped with 4GB RAM and 32GB storage, the Riotouch panel ensures smooth performance. Its dual operating system support (Android and Windows) provides versatility, accommodating various software applications and user preferences. Connectivity is robust, with multiple ports including HDMI, USB 3.0, USB-C, VGA, and RJ45, facilitating easy integration with other devices. Built-in Wi-Fi and Bluetooth capabilities enable wireless connections, promoting a clutter-free workspace. The panel comes with integrated 2x15W front-facing speakers, delivering clear audio for multimedia presentations. Additionally, it includes a built-in 13MP 4K camera and microphone, supporting high-quality video conferencing and remote collaboration. Designed with user convenience in mind, the Riotouch panel features intuitive front controls for power, volume, and input selection. Its slim aluminum frame and wall-mountable design ensure it fits seamlessly into any environment. In summary, the Riotouch 65″ Interactive Panel combines high-resolution display, multi-touch interactivity, and versatile connectivity, making it a comprehensive solution for modern collaborative spaces. Specifications: Display : 65″ 4K UHD Touch Memory : 4GB Storage : 32GB OS : Android 11
The lg 34g600a b ultrawide gaming monitor is built for immersive gameplay and wide-screen productivity. It features a 34-inch curved display with WQHD resolution, which provides more screen space and sharper image quality. Therefore, it enhances both gaming and multitasking experiences. Moreover, the monitor supports a 160Hz refresh rate, which delivers smoother motion during fast gameplay. In addition, it helps reduce motion blur, allowing players to react more quickly in competitive situations. Furthermore, the UltraWide curved design improves viewing comfort and expands the field of view. As a result, users can enjoy a more engaging experience when gaming, watching content, or working across multiple windows. The monitor also includes modern connectivity options for compatibility with gaming systems and PCs. In addition, it maintains stable display performance during long sessions, which supports consistent usage. In conclusion, this monitor offers smooth visuals, a wide display, and reliable performance for both gaming and daily tasks. Specifications: 34-inch UltraWide curved display WQHD (2560 x 1440) resolution 160Hz refresh rate Wide aspect ratio for multitasking Suitable for gaming and productivity
A1707 Battery Replacement, A1820 Battery for MacBook Pro 15″ (Late 2016, Mid 2017) Touch Bar EMC 3072 EMC 3162 MLH32 MLH42 MLW72 MLW82 MPTR2 MPTT2 MLH52 MLW92 MPTU2 MPTV2 MPTW2 MPTX2 Specification】Voltage: 11.4V. Capacity: 76Wh 6667mAh. Battery Type: Li-ion. Condition: Brand new, from high quality materials, top circuit boards and smart chip. 【Compatible Part Number】A1820, A1707, A1707(EMC 3072), A1707(EMC 3162), 020-01728, MacBookPro13,3 , MacBookPro14,3. 【Compatible Laptop Models】MacBook Pro 15-Inch (Late 2016) & (Mid 2017) Model A1707 with touch bar, fit for MLH32LL/A MLH42LL/A MLH52LL/A MLW92LL/A MPTU2LL/A MPTV2LL/A MPTR2LL/A MPTT2LL/A MPTW2LL/A MPTX2LL/A MLW72LL/A MLW82LL/A. 【Note】The tools are included. Double-sided tape is attached to the back of the battery or double-sided tape is included in the package. But No battery installation instruction. The MBP battery is difficult to disassemble, we suggest you search for related installation videos on the Internet or find a technician for help.
PCE 900 M8 900VA 480W Output Power: 700VA (M8 700), 900VA (M8 900) Voltage Input Range: 220-240 VAC with 102 wires (M8 700), 140-300 VAC (M8 900) Output Protection: Overload, discharge, and overcharge protection (M8 700), Fault protection (M8 900) Waveform: Simulated Sine Wave LED Indicators: Green lighting (M8 700), Green flashing (M8 900) Frequency: 50 or 60 Hz +/- 10% (auto sensing) (M8 700), 50 or 60 Hz +/- 1% (M8 900) Voltage (backup mode): 12V/9AH x 1 (M8 700), 12V/7AH x 1 (M8 900) Frequency (backup mode): 50 or 60 Hz +/- 1% (M8 700 and M8 900) Transfer time (M8 700): Typical 2 to 6 ms Backup time (M8 900): 10-20min depending on load level Net Weight: 4.3 kg (9.46 lbs) (M8 700), 4.8 kg (10.56 lbs) (M8 900) Output Receptacles: Universal sockets x 2 or German x 2 (M8 700), Universal sockets x 4 (M8 900) Audible Noise: Sounding every 10 seconds (M8 700), Sounding every second (M8 900) Dimensions: 100x278x140 (3.9″x10.8″x5.5″) (M8 700), 130x320x182 (5.07″x12.48″x7.1″) (M8 900) Compatibility: Windows 2000/XP/2003/2008/Vista/7, NOVELL, LINUX, UNIX (M8 700), Optional Interface with power management software (M8 900) Certifications: EN 50091-1-1/EN 69050 (RD), IEC 60950, TUV GC-Mark, EN 50091-2, EN 50022/B, IEC 62040-2, IEC 61000-3-2, IEC 61000-3-3, ISO 9001, ISO 14001 (M8 700 and M8 900)
Genuine-spec battery flex cable for MacBook Pro models A2159 (16", 2019), A1708 (13", 2016–2017), and A2338 (13", 2020 M1)—restores critical communication between the battery and logic board for proper power-on, charging, and macOS battery status. Genuine-spec battery flex cable for MacBook Pro models A2159 (16″, 2019), A1708 (13″, 2016–2017), and A2338 (13″, 2020 M1)—restores critical communication between the battery and logic board for proper power-on, charging, and macOS battery status. Carries SMBus (System Management Bus) signals from the battery to the logic board Enables: Accurate battery percentage and health reporting in macOS Proper charging control (start/stop, thermal throttling) Power-on capability (MacBooks will not boot without this connection) Prevention of “Battery Not Charging” or “Service Battery” errors Accurate battery percentage and health reporting in macOS Proper charging control (start/stop, thermal throttling) Power-on capability (MacBooks will not boot without this connection) Prevention of “Battery Not Charging” or “Service Battery” errors MacBook won’t turn on (even with a good battery) Battery shows “–%”, 0%, or “Not Charging” Random shutdowns under load macOS displays “No Battery Available” Logic board powers fans or lights but no display output Battery flex cable only (with OEM-style connector and strain relief) ❌ Does not include: battery, logic board, or trackpad Requires full bottom case removal and battery disconnection Connects via a ZIF or press-fit socket on the logic board Must be routed precisely to avoid tension or micro-tears Highly recommended for experienced or certified technicians—improper installation can cause permanent power or battery communication failure
