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
This 1.8-meter DisplayPort to HDMI cable lets you connect a DisplayPort-enabled PC or laptop to an HDMI monitor, TV, or projector. It delivers clear high-definition video and reliable signal transmission, making it perfect for office work, presentations, and home entertainment. The DisplayPort to HDMI cable (1.8M) is a simple and reliable solution for connecting modern computers and laptops with a DisplayPort output to HDMI displays. Ideal for upgrading your setup, it supports high-quality video output for monitors, HDTVs, and projectors. With plug-and-play functionality and a durable build, it ensures stable performance for both professional and home use. DisplayPort to HDMI Connection for easy compatibility with HDMI screens 1.8M Cable Length ideal for desk and office setups High-Definition Video Output for clear and sharp visuals Plug & Play no drivers required Durable Connectors & Cable Build for long-term reliability Perfect for Work & Entertainment supports monitors, TVs, and projectors Works with devices that have a DisplayPort output and displays with an HDMI input, including monitors, TVs, projectors, and display systems. Ideal for workstations, presentations, and dual-screen setups.
WIWU Pilot Water Resistant High-Capacity Laptop Sleeve Case
VSTAR UA150 1500VA UPS | Simulated Sine Wave Output | 230V | 24VDC Battery System | 50/60Hz Auto Sensing | Compact Design | Black Color | Model UPS-UA150 Robust 1500VA Power CapacityThe VSTAR UA150 delivers 1500VA of reliable backup power to safeguard your essential electronics, including PCs, servers, routers, and security systems. Dual Voltage CompatibilitySupports 110/120V or 220/230/240V input, making it ideal for use in a variety of international voltage environments. Stable 230V Output with AVR FunctionalityMaintains a consistent 230VAC output, protecting connected devices from voltage fluctuations and surges. Simulated Sine Wave OutputProvides a simulated sine wave waveform suitable for most common electronics, especially during normal backup operations. Auto-Sensing FrequencyAutomatically detects 50Hz or 60Hz power sources, adapting to your electrical environment without manual adjustments. Compact, Space-Saving DesignMeasuring just 353 x 149.3 x 162 mm, the UA150 fits neatly on or under desks, in server cabinets, or against walls. Reliable 24VDC Battery SystemOperates on a 24VDC internal battery configuration, delivering longer runtimes and better reliability during outages. Universal Output SocketsEquipped with IEC-style or universal output sockets that are compatible with a wide range of devices. Sleek Black FinishA clean and modern black color allows it to blend seamlessly into professional or home environments. Ideal for Home or OfficeProtects critical electronics, telecom gear, and POS systems from data loss and downtime.
Looking for a monitor that delivers unparalleled visual performance? Look no further than the ViewSonic ColorPro 32″ 4K Monitor. With its cutting-edge technology and sleek design, it’s the ultimate choice for professionals and enthusiasts alike. Featuring a stunning 32-inch 4K display, this monitor brings your content to life with breathtaking clarity and detail. Whether you’re editing photos, designing graphics, or watching movies, every pixel pops with vivid color and crisp definition. Moreover, the ViewSonic ColorPro monitor is calibrated to deliver precise color accuracy, making it ideal for graphic design, photography, and video editing. Say goodbye to color distortion and enjoy true-to-life hues that enhance your creative workflow. But it’s not just about visuals—the ViewSonic ColorPro monitor also offers exceptional functionality. With advanced connectivity options like HDMI, DisplayPort, and USB-C, you can easily connect your devices for seamless multitasking. Additionally, the monitor’s ergonomic design ensures comfortable viewing during long hours of use. Adjustable tilt, swivel, and height settings allow you to find the perfect position for maximum productivity and comfort. In summary, the ViewSonic ColorPro 32″ 4K Monitor combines stunning visuals, precise color accuracy, and versatile connectivity to deliver an unparalleled viewing experience. Whether you’re a professional creator or a discerning enthusiast, elevate your display with ViewSonic ColorPro. Specifications: Display : 32″ IPS Resolution : 3840 x 2160 UHD Refresh Rate : 60Hz Response Rate : 5ms
The MSI Modern MD2412P 24″ 100Hz Monitor is the perfect choice for work and entertainment. It offers a smooth and immersive viewing experience with a 100Hz refresh rate. This monitor ensures sharp visuals and fluid motion. With a 24-inch Full HD display, the MSI Modern MD2412P delivers clear and vibrant colors. The IPS panel provides wide viewing angles, making it great for multitasking. Whether you’re working, watching movies, or gaming, the visuals stay sharp and consistent. The 100Hz refresh rate makes scrolling and animations smoother. This reduces eye strain and improves productivity. Fast-moving visuals are more fluid, which is great for casual gaming and video editing. Setting up the MSI Modern MD2412P 24″ 100Hz Monitor is simple. It comes with an ergonomic stand that allows height, tilt, and swivel adjustments. You can easily find the most comfortable viewing position for long hours of use. Connectivity is easy with multiple ports, including HDMI and DisplayPort. This allows you to connect to laptops, desktops, and gaming consoles effortlessly. It ensures a stable and reliable connection for all your devices. The monitor also features eye-care technology, reducing blue light and flicker. This helps prevent eye fatigue, making it perfect for extended use. Whether you’re working from home or gaming, your eyes will stay comfortable. The MSI Modern MD2412P 24″ 100Hz Monitor combines style and performance. Its modern and slim design fits well in any workspace. The minimal bezels offer a sleek look and maximize screen space. Upgrade your setup with this reliable and stylish monitor today. Specifications: Display : 23.8″ IPS Screen : FHD (1920×1080) Refresh Rate : 100Hz Response Rate : 1ms
Apple Magic Mouse: Wireless, Bluetooth, Rechargeable. Works with Mac or iPad; Multi-Touch Surface - White (Pre-Owned) Apple Magic Mouse: Wireless, Bluetooth, Rechargeable. Works with Mac or iPad; Multi-Touch Surface – White (Pre-Owned) About this item WIRELESS, RECHARGEABLE CONVENIENCE — Magic Mouse connects wirelessly to your device via Bluetooth. And the rechargeable internal battery means no loose batteries to replace. WORKS WITH MAC OR IPAD — It’s ready to go right out of the box and pairs quickly with your Mac or iPad so you can get to work right away. SWIPE AND SCROLL ON THE MULTI-TOUCH SURFACE — The Multi-Touch surface allows you to perform simple gestures such as swiping and scrolling. And an optimized foot design lets Magic Mouse glide smoothly across your desk. GO WEEKS WITHOUT CHARGING — The incredibly long-lasting internal battery will power your Magic Mouse for about a month or more between charges. Comes with a woven USB-C to Lightning Cable that lets you pair and charge by connecting to a USB-C port on your Mac or iPad. SYSTEM REQUIREMENTS — Requires a Bluetooth-enabled Mac with OS X 10.11 or later or an iPad with iPadOS 13.4 or later.
Samsung Monitor LS32BG850 32″Neo G8 4K Curved UHD Display Screen Size (Class)32 Flat / CurvedCurved Active Display Size (HxV) (mm)697.306 x 392.234 Screen Curvature1000R Aspect Ratio16:9 Panel TypeVA Brightness (Typical)350 cd/㎡ Peak Brightness (Typical)1000 cd/㎡ Brightness (Min)300 cd/㎡ Contrast Ratio Static1,000,000:1 Dynamic Contrast RatioMega DCR HDR(High Dynamic Range)Quantum HDR 2000 HDR10+Yes Mini LED Local DimmingYes (1,196 zones) HDR10+ GamingYes Resolution3,840 x 2,160 Response Time1ms(GTG) Viewing Angle (H/V)178°/178° Color SupportedMax 1B Color Gamut (DCI Coverage)95% (Typ) Refresh RateMax 240Hz Specifications: Specifications Screen Size (Class)32 Flat / CurvedCurved Active Display Size (HxV) (mm)697.306 x 392.234 Screen Curvature1000R Aspect Ratio16:9 Panel TypeVA Brightness (Typical)350 cd/㎡ Peak Brightness (Typical)1000 cd/㎡ Brightness (Min)300 cd/㎡ Contrast Ratio Static1,000,000:1 3 year warranty
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
The MSI MAG 245F X24 is a 23.8-inch gaming monitor designed for fast and responsive gameplay. It features a Full HD Rapid IPS panel that delivers sharp visuals, accurate colors, and wide viewing angles. Therefore, it is a great choice for competitive gaming and everyday entertainment. The monitor supports a refresh rate of up to 240Hz and a response time as low as 0.5ms GtG. In addition, AMD FreeSync Premium helps reduce screen tearing and stuttering during fast-paced games. As a result, gameplay stays smooth and responsive. The Rapid IPS panel produces vibrant colors with support for 1.07 billion colors and HDR Ready technology. Moreover, the anti-glare screen helps reduce reflections while maintaining clear image quality in different lighting conditions. The monitor includes HDMI and DisplayPort inputs for gaming PCs and consoles. It also supports VESA mounting, allowing flexible installation on monitor arms or wall mounts. In addition, the tilt-adjustable stand helps users find a comfortable viewing angle. The MSI MAG 245F X24 combines a high refresh rate, fast response time, and reliable image quality in a compact 23.8-inch design. Therefore, it is well suited for esports players and anyone seeking a smooth gaming experience. Specifications: Display: 23.8-inch Rapid IPS, 1920 × 1080 (Full HD) Refresh Rate: Up to 240Hz Response Time: 0.5ms GtG (Minimum) Adaptive Sync: AMD FreeSync Premium with HDR Ready Connectivity: 2 × HDMI 2.0b, 1 × DisplayPort 1.2a, 1 × Headphone Out
The Lenovo L22E-30 21.5″ LCD Monitor is designed to enhance your viewing experience with clear and vibrant visuals. Whether you’re working, gaming, or streaming your favorite shows, this monitor delivers exceptional quality. With a full HD resolution of 1920×1080, the Lenovo offers crisp and detailed images. Enjoy true-to-life colors and sharp details that make every task more enjoyable. The sleek and modern design of the Lenovo 21.5″ LCD Monitor complements any workspace. Its slim profile and narrow bezels provide a clean and stylish look that fits seamlessly into your setup. This monitor features a 75Hz refresh rate and a 4ms response time, ensuring smooth and lag-free performance. Whether you’re watching videos or playing games, enjoy a seamless experience without any motion blur. The Lenovo 21.5″ LCD Monitor includes multiple connectivity options, including HDMI and VGA ports. Easily connect your computer, gaming console, or other devices for versatile use. Designed with your comfort in mind, this monitor features TUV Rheinland Eye Comfort certification. Reduce eye strain during extended use with flicker-free technology and a low blue light filter. Adjust the Lenovo to your preferred viewing angle with its tilt-adjustable stand. Find the perfect position for maximum comfort, whether you’re working on a project or watching a movie. In conclusion, the Lenovo L22E-30 21.5″ LCD Monitor offers a perfect blend of style, performance, and comfort. Upgrade your workspace today and enjoy an enhanced viewing experience with this versatile and reliable monitor. Specifications: Display : 21.5″ Resolution : 1920 x 1080 Refresh Rate : 75Hz Response Rate : 4ms
Are you in search of a high-quality monitor to elevate your visual experience? Look no further than the ViewSonic VA2409-MHU 24″ Monitor. With its impressive features and sleek design, it’s the perfect addition to any workspace or entertainment setup. Transitioning to its core, the ViewSonic VA2409-MHU boasts a vibrant 24-inch display that delivers crisp and clear visuals. Whether you’re gaming, watching movies, or working on creative projects, you’ll enjoy an immersive viewing experience. Its sleek and modern design adds a touch of elegance to any environment. With its slim bezels and compact footprint, it fits seamlessly into any workspace, saving valuable desk space while maximizing screen real estate. Moving on to its performance, the ViewSonic VA2409-MHU features a 75Hz refresh rate, ensuring smooth and fluid motion for an enhanced gaming and multimedia experience. Say goodbye to screen tearing and stuttering, and hello to silky-smooth visuals. Furthermore, with Full HD resolution, this monitor delivers stunning clarity and detail, bringing your content to life with vibrant colors and sharp imagery. Whether you’re editing photos, watching videos, or browsing the web, every detail pops with incredible precision. Connectivity is key, and the ViewSonic VA2409-MHU doesn’t disappoint. With a range of ports including HDMI and VGA, you can easily connect to your favorite devices such as laptops, desktops, gaming consoles, and more. Plus, its built-in speakers provide immersive audio without the need for external speakers. In summary, the ViewSonic VA2409-MHU 24″ Monitor offers the perfect blend of performance, style, and affordability. Upgrade your visual experience today with this versatile and feature-packed monitor. Specifications: Display : 24″ IPS Built-In Speaker Resolution : FHD (1920 x 1080) Refresh Rate : 75Hz Response Rate : 3ms(GTG)
The AOC 27G40 27″ 180Hz Gaming Monitor is built for serious gamers who want fast and smooth performance. It features a 27-inch Fast IPS screen with Full HD resolution. The colors are bright, and the details are sharp from every angle. With a 180Hz refresh rate, your games will run ultra-smooth and clear. Fast motion feels natural with no lag or delay. The 1ms response time helps reduce motion blur and ghosting during fast-paced scenes. Thanks to Adaptive-Sync, you won’t have screen tearing or stuttering. This makes gameplay seamless and enjoyable, even in intense battles. The monitor also supports HDR10 for improved contrast and color accuracy. It covers 128% of the sRGB color space, giving you bold and rich visuals. The screen reaches 300 nits of brightness, so everything stays clear in bright rooms. The AOC 27G40 27″ 180Hz Gaming Monitor includes HDMI 2.0 and DisplayPort 1.4 connections. You can easily connect your PC, console, or other devices. Its ergonomic stand lets you adjust the height, tilt, swivel, and pivot the screen. This helps you find the most comfortable viewing angle. You can also mount it using a VESA-compatible setup for more flexibility. Whether you’re gaming casually or competitively, this gaming monitor delivers excellent speed, clarity, and color. It’s built to meet the demands of modern gaming with style and comfort. Specifications: Display : 27″ Rapid IPS Resolution : 1920×1080 FHD Refresh Rate : 180Hz Response Rate : 0.5ms Speaker : 2W x2 Adjustable : Fully adjustable
Compatible With: MacBook Pro 15.4-inch (Mid 2012, Model A1398, Model Identifier MacBookPro10,1) — the first Retina MacBook Pro. Includes: Complete left and right speaker units with pre-attached connector cables and mounting brackets, ready for direct installation. Audio Performance: Engineered to match Apple’s original acoustic design—delivers clear mid-range, balanced stereo separation, and consistent volume levels across system audio, video calls, and media playback. OEM Build Quality: Precision-molded housing, original grille pattern, and correct wiring length ensure seamless integration into the MacBook’s chassis without rattling or interference. Common Use Cases: Replaces speakers damaged by liquid spills, physical impact, or aging (e.g., crackling, no sound, or distorted audio). Installation Note: Requires full bottom case and logic board access. Speakers are secured with screws and adhesive tape. Recommended for experienced technicians due to tight internal layout and delicate connectors.
The HUAWEI IdeaHub S2-65 Interactive Display is a 65-inch smart collaboration screen designed for modern meetings and hybrid work. It combines a 4K UHD touchscreen with integrated conferencing tools. Additionally, it supports smooth writing, video meetings, and wireless collaboration in one device. Moreover, it delivers ultra-clear 4K resolution for sharp visuals and accurate detail. Therefore, presentations, documents, and video content appear clear and easy to read. Furthermore, it includes a built-in AI camera and advanced audio system. So, it improves remote meetings with clear voice pickup and intelligent framing of speakers. In addition, it supports wireless projection from laptops and mobile devices. Therefore, users can share content quickly without extra cables. It also includes a digital whiteboard for real-time collaboration. Also, the device runs on Huawei’s smart collaboration platform, which supports cloud meetings and multi-user interaction. Overall, the Huawei IdeaHub S2-65 delivers an all-in-one interactive display solution with strong collaboration tools, clear visuals, and smooth meeting performance for modern workplaces. Specifications: 65-inch 4K UHD interactive touchscreen Built-in AI camera for smart meeting tracking Integrated microphone and speaker system Wireless screen sharing support Digital whiteboard for collaboration
The ViewSonic VA24D1-H 24″ FHD 100Hz Monitor delivers smooth and clear visuals for work, gaming, and daily use. It offers Full HD resolution with bright colors. The screen shows sharp details that improve movies, documents, and web browsing. This makes your viewing experience more comfortable. Moreover, the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor includes a fast 100Hz refresh rate. This feature reduces motion blur and screen tearing. It makes gaming and fast scenes much smoother. It also improves general tasks like scrolling and tracking movement. In addition, the monitor features HDMI and VGA connections. These ports make setup quick and simple. You can connect laptops, desktops, and media players easily. This gives you strong flexibility for work and entertainment. Furthermore, the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor includes important eye-care technology. The flicker-free screen helps reduce eye strain. The blue light filter adds more comfort during long hours. This makes the monitor ideal for study, office work, and long sessions. Also, the slim bezel design gives the monitor a modern and clean look. It fits well in home and office spaces. The thin edges help create smooth multi-monitor setups. This improves both productivity and style. The stand on the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor offers stable support. You can tilt the screen to find a comfortable angle. This helps you maintain a healthy posture. It also improves your overall viewing comfort. Overall, the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor offers clarity, smooth motion, and strong comfort. It works well for gaming, streaming, office tasks, and daily use. It is a reliable monitor for users who want simple performance and modern design. Specifications: Display : 24″ IPS Resolution : 1920×1080 Refresh Rate : 100Hz Response Time : 5ms
BenQ Board Essential RE7504N 75” 4K UHD Interactive Flat Panel is a large interactive display designed for education and business collaboration. It supports touch input, built-in Android system, and 4K resolution for presentations and group work. It features a 75-inch IPS panel with 3840 × 2160 4K UHD resolution. Therefore, it delivers sharp visuals and wide viewing angles. In addition, it supports up to 40-point multi-touch for group interaction. Moreover, it runs Android (EDLA-supported system depending on region). As a result, users can run apps, whiteboard tools, and content directly on the display without a PC. The screen includes anti-glare coating. Therefore, it stays readable in bright rooms. In addition, it supports 4K 60Hz output for smooth visuals. Furthermore, it includes HDMI, USB, LAN, and OPS slot connectivity. As a result, it works with laptops, external PCs, and modular systems. It also includes built-in speakers for basic audio output. Therefore, it supports lessons and meetings without external speakers. Finally, the BenQ RE7504N provides a large interactive 4K workspace for classrooms and business collaboration. Specifications: Display: 75-inch IPS panel with 3840×2160 4K UHD resolution Touch: Up to 40-point multi-touch support System: Android-based interactive platform (EDLA support depending on region) Connectivity: HDMI, USB, LAN, and OPS slot support Display: Anti-glare screen with 4K 60Hz output for smooth visuals
Acer KA240Ybi 24´´ FHD LED 75Hz Monitor – Display diagonal: 60.5 cm (23.8) – Display resolution: 1920 x 1080 pixels – HD type: Full HD – Display technology: LCD – Response time: 4 ms – Native aspect ratio: 16:9 – Viewing angle horizontal: 178° Viewing angle – vertical: 178°. Built-in speaker(s). – Built-in USB hub. – VESA mounting Height adjustment Specifications: Acer KA240Ybi 24´´ FHD LED 75Hz Monitor Display diagonal: 60.5 cm (23.8) – Display resolution: 1920 x 1080 pixels – HD type: Full HD – Display technology: LCD – Response time: 4 ms
AOC 27G4H 27-inch 200Hz gaming monitor delivers ultra-fast performance for competitive gaming. It focuses on very high refresh rate, low response time, and smooth motion clarity for esports players. Additionally, it features a 27-inch Fast IPS panel with Full HD resolution (1920 × 1080). This panel provides accurate colors and wide viewing angles, so it ensures consistent visuals during gameplay. Moreover, it supports a 200Hz refresh rate with 0.3ms MPRT response time and 1ms GtG. As a result, it delivers extremely smooth motion and reduces blur in fast-paced scenes. The monitor includes Adaptive Sync technology. Therefore, it synchronizes the display with the GPU to reduce tearing and stuttering for fluid gameplay. In addition, it supports HDR10. This improves contrast and enhances visual depth, so games appear more realistic and immersive. Furthermore, it includes gaming features such as low input lag mode, custom crosshair, and preset game modes. These features help improve reaction time and aiming precision. The design also offers ergonomic adjustments with height, tilt, swivel, and pivot support. It includes HDMI 2.0 and DisplayPort 1.4 connectivity for modern gaming setups. AOC 27G4H 27-inch 200Hz gaming monitor provides high-speed performance, precise responsiveness, and advanced gaming features for competitive and serious gamers. Specifications: 27-inch Fast IPS panel with Full HD 1920 × 1080 resolution 200Hz refresh rate for ultra-smooth competitive gaming 0.3ms MPRT and 1ms GtG response time Adaptive Sync for tear-free and stable visuals HDR10 with low input lag and gaming modes
Meetion Usb Computer 2.4GHz Wireless Mouse, Black | R545 Meetion Usb Computer 2.4GHz Wireless Mouse, Black | R545 Comfortable grip feeling. Stable Wireless. 2.4g wireless transmission technology effective working distance up to 10M. Automatic sleep power saving. AA test battery included.
