Porodo Gaming Wide PDX523-BK The Porodo Gaming Wide Ultra Curved Monitor has been updated with the capability and clarity you need to game at your best. It is now quicker than ever with a refresh rate of up to 165Hz. The newest Porodo Gaming monitor still features an IPS panel with 2560 x 1440 resolution. and is based upon the former slim cable management stand, offering you a streamlined. visual experience both on screen and on your desk. It is the ideal blend of style and performance. Play games without lagging and entirely get rid of input lag. Play an FPS game. or go on an adventure in a mysterious land while enjoying a variable refresh rate display that works with your graphics card. Specifications Response Time: 6.5ms Contrast Ratio: 3500:1 Surface Treatment: Anti-Glare Active Area: 697.344mm x 392.256mm Pixel Pitch: 0.2724mm x 0.2724mm Maximum Resolution: 2560 x 1440 @165Hz Backlight Type: ELED Aspect Ratio: 16:9 Panel Type: Super Speed VA Panel Size: 31.5” Diagonal The Porodo Gaming Ultra Wide Curved Monitor has been updated with the capability and clarity you need to game at your best. It is now quicker than ever with a refresh rate of up to 165Hz. The newest Porodo Gaming monitor. still features an IPS panel with 2560 x 1440 resolution and is based upon the former slim cable management stand. offering you a streamlined visual experience both on screen and on your desk. It is the ideal blend of style and performance. Play games without lagging and entirely get rid of input lag. Play an FPS game or go on an adventure in a mysterious land while enjoying . a variable refresh rate display that works with your graphics card. The Porodo Gaming Ultra Wide Curved Monitor has been updated with the capability and clarity. you need to game at your best. It is now quicker than ever with a refresh rate of up to 165Hz. The newest Porodo Gaming monitor still features an IPS panel with 2560 x 1440 resolution. and is based upon the former slim cable management stand, offering you a streamlined . visual experience both on screen and on your desk. It is the ideal blend of style and performance. Play games without lagging and entirely get rid of input lag. Play an FPS game. or go on an adventure in a mysterious land while enjoying a variable refresh rate display that works with your graphics card. Specifications: Specifications VA Curved R1500 Panel Type High Dynamic Range Anti-Glare Surface Treatment 31.5” Diagonal Panel Size 16.7M Display Color 16:9 Aspect Ratio 2560 x 1440 @165Hz Maximum Resolution 2-3 Weeks For delivery on order 1 year warranty Manufacturer Link
The LG 32GN600-B 32″ Monitor delivers clear and smooth visuals for gaming and everyday use.It features a 32-inch QHD display with sharp details and vibrant colors. Moreover, its high refresh rate ensures fluid motion in fast-paced games and videos. This monitor uses a VA panel for strong contrast and wide viewing angles. Additionally, the fast response time reduces blur and ghosting during competitive gaming. The anti-glare screen helps minimize reflections in bright environments. HDMI and DisplayPort inputs allow easy connection to PCs, laptops, and gaming consoles. Furthermore, tilt adjustment helps you find a comfortable viewing angle for long sessions. Low blue light and flicker-free technologies reduce eye strain during extended use. This display is ideal for gamers, streamers, and home users alike. Therefore, it supports competitive gaming, media streaming, and productivity tasks. Finally, it combines sharp visuals, fast performance, and comfort features for daily use. Specifications: Screen Size: 32″ QHD VA panel Resolution: 2560 × 1440 Refresh Rate: High for smooth motion Ports: HDMI + DisplayPort Features: Anti-glare, low blue light, flicker-free eye care
Genuine-spec touchpad flex cable for MacBook Pro 15″ (Model A1707, 2016–2017)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 15″ (2016) – Model A1707 (Model Identifier: MacBookPro13,2) MacBook Pro 15″ (2017) – Model A1707 (Model Identifier: MacBookPro14,2) MacBook Pro 15″ (2016) – Model A1707 (Model Identifier: MacBookPro13,2) MacBook Pro 15″ (2017) – Model A1707 (Model Identifier: MacBookPro14,2) Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only.
Brand Microsoft Connectivity Technology USB Connector Type USB Compatible Devices Laptops Compatible Phone Models Microsoft Special Feature Travel Mounting Type Wall Mount Total USB Ports 1 Wattage 65 watts Microsoft Surface Power Supply 65W and Power Adapter Non Retail Packaging
MacBook Air 13″ Retina A1932(2018-2019-2020) Display Assembly (Silver) MacBook Air 13″ Retina Display 2019 A1932 (EMC 3184 MacBookAir8,2) 1.6 GHz MacBook Air 13″ Retina Display 2020 A2179 (EMC 3302 MacBookAir9,1) 1.1 GHz Core i3 A2179 (EMC 3302 MacBookAir9,1) 1.1 GHz Core i5 A2179 (EMC 3302 MacBookAir9,1) 1.2 GHz Core i7 MacBook Air 13” Retina Display Late 2018 A1932 (EMC 3184 MacBookAir8,1) 1.6 GHz
Genuine-spec touchpad flex cable for MacBook Pro 16″ (Model A2159, 2019, Intel)—essential for restoring full Force Touch functionality, haptic feedback, and precise trackpad responsiveness during repair or replacement. Compatible With: MacBook Pro 16-inch (2019, Model A2159) with Intel Core i7/i9 processors (Model Identifier: MacBookPro16,1). Part Type: Touchpad flex cable only—does not include the trackpad, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits touch input, Force Touch pressure data, and haptic feedback signals—critical for macOS gestures (e.g., Force Click, three-finger swipe, pinch-to-zoom) and Taptic Engine operation. OEM-Quality Build: Matches Apple’s original flex circuit in length, connector pitch, shielding, and bend radius—ensures reliable signal integrity and durability under repeated use. Common Use Cases: Replacing a torn, frayed, or corroded original flex cable Completing a trackpad replacement when the original cable is damaged Fixing intermittent or unresponsive trackpad behavior caused by cable failure Replacing a torn, frayed, or corroded original flex cable Completing a trackpad replacement when the original cable is damaged Fixing intermittent or unresponsive trackpad behavior caused by cable failure Installation Note: Requires full bottom case removal and careful routing beneath the battery and logic board. Connectors use ZIF (Zero Insertion Force) sockets—must be properly aligned and latched without force. Recommended for certified or experienced technicians only.
LG 49WL95C-WE UltraWide Dual QHD IPS Monitor is a 49-inch super ultrawide display designed for heavy multitasking and professional workflows. It features a 32:9 aspect ratio with Dual QHD resolution for a wide workspace. Additionally, it supports USB-C connectivity and HDR10. Therefore, it replaces a dual-monitor setup with a single continuous screen. The LG 49WL95C-WE UltraWide Dual QHD IPS Monitor delivers 5120 × 1440 resolution with IPS panel technology for wide viewing angles. Moreover, it includes 99% sRGB color coverage and HDR10 support for accurate visuals. It also provides USB-C with up to 85W power delivery, HDMI, and DisplayPort inputs. In addition, it features built-in 10W stereo speakers and an integrated USB hub for cleaner setups. Furthermore, the monitor supports Picture-by-Picture and Dual Controller functions for multi-device use. As a result, users can manage two systems on one screen efficiently. It also includes height, tilt, and swivel adjustment for ergonomic comfort. Specifications: 49-inch 32:9 UltraWide Dual QHD (5120 × 1440) IPS display USB Type-C with up to 85W power delivery HDR10 with 99% sRGB color coverage Built-in 10W stereo speakers and USB hub Picture-by-Picture and Dual Controller multitasking support
The Samsung 22″ 75Hz Essential Monitor is designed to enhance your daily computing tasks with smooth performance and vibrant colors. Whether you’re working, watching videos, or browsing, this monitor delivers clear and crisp visuals. Featuring a 22-inch screen, this monitor provides ample display space for multitasking. With a 75Hz refresh rate, the Samsung 22″ Essential Monitor ensures fluid motion, reducing screen tearing and providing a smooth viewing experience. The Full HD resolution brings sharp details and vivid colors, making your videos and images look more lifelike. Whether for work or entertainment, you’ll enjoy a more immersive visual experience with the Samsung 22″ Essential Monitor. With its slim and sleek design, this monitor complements any workspace. It’s easy to set up, and the compact design saves valuable desk space. The monitor’s slim bezels also give it a modern, streamlined look. The Samsung Essential Monitor comes equipped with Eye Saver Mode and Flicker-Free technology, designed to reduce eye strain during long hours of use. This makes it ideal for both work and extended screen time. In addition, the monitor offers easy connectivity options, including HDMI and VGA ports, allowing you to connect a wide range of devices effortlessly. In conclusion, the Samsung 22″ 75Hz Essential Monitor is the perfect blend of performance, style, and convenience. Upgrade your viewing experience with smooth visuals and vivid colors for everyday use. Specifications: Display : 22″ VA Resolution : FHD (1920×1080) Refresh Rate : 75Hz Response Time : 5ms GTG
Arabic Language Silicone Keyboard Cover Skin for MacBook Air 13" Macbook Pro with / without Retina Display 13"15" 17" MC184LL/B, NOT COMPATIBLE WITH NEW MacBook Air 13” A1932 (Black) Arabic Language Silicone Keyboard Cover Skin for MacBook Air 13″ Macbook Pro with / without Retina Display 13″15″ 17″ MC184LL/B, NOT COMPATIBLE WITH NEW MacBook Air 13” A1932 (Black) About this item Only compatible with MacBook Air 13″ (Model: A1369 & A1466) , MacBook Pro 13-Inch with DVD Drive (Model: A1278), Pro 13 inch with Retina Display (Model: A1425 & A1502), Pro 15 inch with DVD Drive (Model: A1286), Pro 15 inch with Retina Display (Model: A1398), Pro 17 inch (Model: A1297) and Apple Wireless Bluetooth Keyboard MC184LL/B (A1314). NOT COMPATIBLE WITH NEWEST MacBook Air 13″ 2018 (Model: A1932) Fit for American Version( “Enter” key is a rectangle), DO NOT FIT FOR Europe Version (“Enter” key looks like “7”) Extra slim silicone skin, made it easier for typing. Soft silicone can ELIMINATE THE SOUND when typing FLEXIBLE, WASHABLE, easy to apply and remove for cleaning or disinfecting. Manufactured to the highest quality available, Ultra thin design lets you open and close your computer without any affection
0G74G Laptop Battery Replacement for Dell Latitude 5300 2-in-1 5310 7300 7400 Series Notebook OG74G 02PFPW 2PFPW 3KF82 8JYHH 11.4V 42Wh 3-Cell About this item Specification: Battery type: Li-ion. Color: Black. Voltage: 11.4V. Capacity: 42Wh/3Cell. New from Manufacturer Replace Part Number: For MXV9V 0G74G 00G74G 2PFPW 3KF82 8JYHH Compatible Models: Replacement for Dell Latitude 5300 E5300 / 5300 2-in-1 / 5310 E5310 / 5310 2-in-1 / 7300 E7300 / 7400 E7400 Series (Important Note: NOT fit for latitude 7400 2-in-1 Series) Note: The Dell laptop models on this product page are compatible with 2 battery models: 0G74G (42Wh 3-Cell 11.4V) , MXV9V(60Wh 4-Cell 7.6V). Please open the back cover of your laptop to check the original battery size and capacity before placing an order. Make sure that the battery model you need is 0G74G (42Wh 3-Cell 11.4V). Note: If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new battery to 10-20% (not 0%), then charge and cycle 3-4 times to wake up the new battery
A modern pre-owned Dell Latitude 5420 with 14" display, 11th Gen Core i5, 8GB RAM, and 256GB SSD—delivering reliable performance, enterprise security, and all-day productivity in a compact business laptop.
The Samsung 75″ Neo QLED QN70F 4K Vision AI Smart TV QA75QN70FAUXTW delivers a premium viewing experience with advanced Neo QLED technology. It produces bright, sharp, and highly detailed images with strong contrast, so movies, sports, and games look more immersive on the 75-inch screen. Neo QLED technology uses Quantum Mini LEDs to improve brightness control and contrast accuracy. As a result, dark scenes appear deeper while bright scenes stay vivid and balanced. This creates a more realistic picture across different types of content. Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color. Therefore, the TV consistently delivers optimized visuals without manual settings. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR support expands brightness range and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action viewing. The Smart TV platform 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 slim design with thin bezels gives the Samsung 75 Neo QLED QN70F 4K Vision AI Smart TV QA75QN70FAUXTW a modern and premium look. Overall, this Samsung Neo QLED TV combines strong brightness performance, AI optimization, and smart connectivity for a powerful entertainment experience. Specifications: Neo QLED technology delivers bright and detailed picture quality 75-inch 4K display provides immersive viewing experience Vision AI optimizes picture and sound automatically HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
The MSI MPG 341CQPX QD-OLED Gaming Monitor features a 34-inch ultrawide screen with 3440 x 1440 resolution for immersive visuals. Its 1800R curve pulls you into the action and enhances your overall gaming experience. With a 240Hz refresh rate and 0.03ms response time, gameplay stays smooth, fast, and lag-free. Quantum Dot OLED technology brings vivid colors and rich contrast to every frame. This monitor covers 99.3% of the DCI-P3 color space for ultra-accurate color display. It supports HDR with a peak brightness of up to 1000 nits for brighter highlights and deeper blacks. The MSI MPG 341CQPX Gaming Monitor also includes advanced OLED care features to prevent screen burn-in. An anti-reflective coating reduces glare for clearer visuals in bright or dark environments. The fanless cooling system ensures quiet performance thanks to graphene film and a custom heatsink. You get two HDMI 2.1 ports, one DisplayPort 1.4a, and a USB-C port with 98W power delivery. Multiple USB-A and USB-B ports offer great flexibility for all your connected devices. A built-in KVM switch allows you to control multiple systems with one keyboard and mouse. Adjust the monitor’s height, tilt, and swivel to match your ideal viewing angle easily. Its modern and sleek design fits perfectly into any gaming or work setup. The MSI MPG 341CQPX QD-OLED Gaming Monitor delivers a premium, responsive, and immersive experience. It’s an ideal choice for gamers who want high performance and stunning visuals in one display. Specifications: Display : 34.18“ Resolution : 3440 x 1440 (UWQHD) Refresh Rate : 240Hz Response Rate : 0.03ms (GTG) Curvature : 1800R
The Alienware AW3423DWF 34″ 165Hz QD-OLED Curved Gaming Monitor delivers an immersive ultrawide experience with stunning display quality. Its 34.18-inch QD-OLED screen shows vibrant colors and deep blacks, perfect for intense gaming and creative work. With a resolution of 3440 x 1440 and a 165Hz refresh rate, this monitor gives you smooth and detailed visuals. It also features a 0.1ms response time, which reduces motion blur during fast action scenes. The 1800R curved screen wraps around your view, pulling you deeper into the game or video. This curvature also reduces eye strain, making it easier to stay focused for longer periods. The monitor supports 99.3% DCI-P3 and 149% sRGB color ranges, providing rich and accurate colors. It is also certified with DisplayHDR True Black 400, offering deep contrast and enhanced brightness. With AMD FreeSync Premium Pro and AdaptiveSync, you get smooth performance with no screen tearing. This makes it ideal for competitive and fast-paced gaming experiences. The sleek design includes customizable AlienFX lighting to match your gaming setup. It adds a modern and clean look to your desk, while staying practical and functional. Ports include HDMI 2.0, DisplayPort 1.4, and several USB 3.2 Gen 1 ports for easy connections. A built-in USB hub gives quick access to plug in peripherals without hassle. The adjustable stand supports height, tilt, and swivel adjustments for your comfort. It’s also VESA-compatible, so you can mount it just how you like it. The Alienware AW3423DWF 34″ 165Hz QD-OLED Curved Gaming Monitor is built for gamers who want the best visuals and performance. Specifications: Display : 34″ QD-OLED Resolution : WQHD 3440 x 1440 Refresh Rate : 165Hz Response Time : 0.1ms
Are you ready to take your gaming to the next level? Meet the Asus ROG Swift PG278QR monitor, the ultimate gaming companion. With its cutting-edge features and sleek design, it’s the perfect choice for gamers seeking excellence. Firstly, let’s talk about the mesmerizing visuals. With a blazing-fast refresh rate and NVIDIA G-SYNC technology, this monitor delivers smooth, tear-free gameplay that will immerse you in every virtual world. Say goodbye to stuttering and lagging! Moreover, the WQHD resolution ensures crisp, detailed images that bring your games to life. Whether you’re exploring vast open worlds or engaging in intense firefights, every scene will be rendered with stunning clarity and precision. But the Asus ROG Swift PG278QR isn’t just about visuals—it’s also designed for comfort and convenience. The ergonomic stand allows you to adjust the height, tilt, swivel, and pivot for the perfect viewing angle, reducing strain during extended gaming sessions. Furthermore, connectivity options abound with DisplayPort 1.2 and HDMI ports, ensuring compatibility with a wide range of devices. Whether you’re gaming on your PC, console, or streaming media from your favorite device, the Asus ROG Swift PG278QR has you covered. In conclusion, if you’re serious about gaming, the Asus ROG Swift PG278QR monitor is a game-changer. Elevate your gaming experience with stunning visuals, smooth gameplay, and unmatched comfort. Get ready to unlock gaming excellence like never before! Specifications: Display : 27″ TN Resolution : 2k(2560×1440) Refresh Rate : 165Hz Response Rate : 1ms
Brand-new UK-layout keyboard replacement (Z1 Black) for MacBook Air models with M2, M3, and M4 chips (13.6″ and 15″, 2023–2025). Compatible with A2681 and A2941—precision-engineered for seamless fit and reliable typing performance. This is a brand-new, high-quality keyboard replacement designed specifically for the latest MacBook Air models featuring Apple’s M2, M3, and M4 chips (released 2023–2025). It fits both the 13.6-inch (Model A2681) and 15-inch (Model A2941) MacBook Air variants and comes in the sleek Z1 Black (Space Black) finish with a UK English layout (including the £ symbol and correct key positioning). Engineered to match Apple’s original specifications, this keyboard ensures a responsive, quiet, and comfortable typing experience with consistent key travel and tactile feedback. It includes the full top case assembly with integrated backlighting, function keys, and Touch ID sensor cutout (sensor not included), making it ideal for professional repairs or replacements after liquid damage, wear, or key failure. Installation requires technical expertise and proper tools due to the integrated nature of the MacBook Air’s top case design. Recommended for certified technicians or experienced repair professionals. Important Notes: This is a keyboard + top case assembly, not just keycaps. Touch ID sensor is not included—you must transfer your original sensor to maintain functionality. Compatible only with MacBook Air M2 (2022–2023), M3 (2023–2024), and M4 (2024–2025) models in 13.6″ (A2681) and 15″ (A2941) sizes. Color: Z1 Black (Space Black) – matches official Apple Space Black finish. Layout: UK English (ISO) – features the correct “£” key and shifted Enter key.
The HUAWEI IdeaHub B3 IHB3-65SA is a 65-inch intelligent collaboration device designed for meetings and hybrid workspaces. It combines a 4K interactive display with built-in audio, video, and whiteboard tools for smooth teamwork. Additionally, it supports cloud meetings and wireless sharing for flexible communication. Moreover, it uses a 4K UHD infrared touch screen with low writing latency of about 16 ms. Therefore, users can write and interact smoothly during presentations and discussions. Furthermore, it includes a built-in 4K camera with intelligent tracking. So, it automatically follows speakers and improves video meeting quality. It also integrates multiple microphones and speakers for clear sound pickup and output. In addition, it supports Wi-Fi 6 connectivity and BYOM (Bring Your Own Meeting). Therefore, users can connect their own devices easily and start meetings without extra setup. Also, it runs on Huawei’s collaboration platform with support for cloud meetings, wireless projection, and digital whiteboarding. Overall, the Huawei IdeaHub B3 65-inch delivers an all-in-one meeting solution with smart collaboration tools, strong connectivity, and interactive display performance for modern offices. Specifications: 65-inch 4K UHD infrared touch display Built-in 4K camera with intelligent tracking Low 16 ms writing latency for smooth interaction Wi-Fi 6 support with BYOM connectivity Integrated speakers and multi-microphone system
The Samsung 75″ QLED LS03F The Frame 4K Smart TV QA75LS03FAUXTW uses a 75-inch LCD panel with 3840 × 2160 4K resolution. It is designed for both TV viewing and wall-mounted display use. The panel uses Quantum Dot (QLED layer) technology to improve color reproduction. As a result, it produces more accurate and wider color output compared to standard LCD panels. In addition, it supports 4K upscaling for lower-resolution content. The TV supports HDR formats for compatible content. This increases contrast between bright and dark areas and improves visible detail. Also, motion processing reduces blur during fast-moving scenes such as sports and action content. Samsung equips this model with Tizen OS. Therefore, users access streaming apps, SmartThings integration, and smart features through a unified interface. It also supports Wi-Fi and Bluetooth for wireless device connections. Connectivity includes HDMI ports, USB ports, Ethernet LAN, and optical audio output. It supports external devices such as gaming consoles and sound systems. This model uses The Frame design concept, which allows the TV to function as both a display and a digital art screen when not in use. Specifications: 75-inch 4K UHD LCD panel (3840 × 2160 resolution) Quantum Dot (QLED layer) color enhancement 4K upscaling for lower-resolution content HDR support for compatible content Tizen OS with HDMI, USB, Wi-Fi, Bluetooth, Ethernet connectivity
A durable and versatile pre-owned Lenovo ThinkPad T470 with 14" touchscreen, 6th Gen Core i5, 8GB RAM, and 256GB SSD—ideal for professionals who need reliability, touch functionality, and trusted ThinkPad performance.
lenovo battery L14M3P24 11.1V 45Wh 4050mAh L14M3P24 Battery COMPATIBLE L14S3P24 L14M3P24 L16M3P24 LAPTOP BATTERY FOR LENOVO IDEAPAD XIAOXIN 700 R720 Y700-14ISK Y520-15IKB Y720-14ISK SERIES 4 Cell Laptop Battery About this item Condition: New Voltage: 11.1V Capacity: 45Wh/4050mAh Replace Part Number: L14M3P24 L14S3P24 Fit For: Lenovo Ideapad 700 Ideapad 700 Series The Package Includes 1X L14M3P24 battery. Before purchasing, please open the laptop’s back cover to confirm the battery model and capacity. Raise the battery life: 1:After receiving the battery, Please charge it fully, then discharge it to around 10%, and do it three times. 2:If you don’t use the battery for a long time, please charge and discharge it once a month
