The LG 32G810SA-W 32″ UHD 4K IPS Smart 144Hz Monitor delivers premium performance for gaming, streaming, and productivity. Its large 32-inch IPS display provides sharp 4K UHD visuals and vibrant color accuracy for immersive viewing. Moreover, the fast 144Hz refresh rate ensures smooth motion during competitive gaming and high-action scenes. This monitor also includes smart features that allow access to streaming apps and entertainment without needing a PC. Additionally, the IPS panel offers wide viewing angles, making it suitable for shared viewing and creative work. The modern white design adds a clean and stylish look to gaming or professional setups. Connectivity options allow easy connection to consoles, PCs, and multimedia devices. Furthermore, ergonomic adjustments help maintain comfortable viewing positions during long sessions. Therefore, this monitor suits gamers, content creators, and home users seeking performance and flexibility. Finally, it combines smart functionality, high refresh rate, and stunning 4K clarity for versatile daily use. Specifications: 32-inch UHD 4K IPS smart gaming monitor 144Hz refresh rate for smooth gameplay Built-in smart features for streaming access Wide viewing angles and vivid colors Modern design with versatile connectivity
Genuine-spec US layout keyboard replacement for MacBook Air 13″ (Model A2338, 2020)—featuring Apple’s reliable Magic Keyboard with scissor-switch mechanism, backlighting, and full OEM fit for seamless repair. Compatible With: MacBook Air 13-inch (2020, Model A2338) – includes both Intel Core i3/i5/i7 and M1 chip variants. Keyboard Type: Apple’s Magic Keyboard with scissor-switch mechanism—offering improved durability, quieter typing, and 1mm key travel compared to older Butterfly keyboards. Layout: Standard US English (QWERTY), with full-size keys, inverted-T arrow keys, and dedicated function row. Integrated Features: Backlit keys for low-light use, ambient light sensor compatibility, and original-style ribbon cable connector for direct logic board connection. Precision Fit: Engineered to match Apple’s exact dimensions and mounting points—ensures flush alignment within the original top case. Installation Note: The keyboard is adhered to the top case and requires careful removal and re-gluing. Full disassembly is needed. Recommended for skilled technicians or professional repair centers.
GSAN GS-3021 POS All in One Touch 15.6" - Intel i5 - 8GB - 128GB SSD with Customer Display Main Board: POS motherboard CPU: I5-3RD GEN Memory: DDR3 8GB Hard Disk: 128GB Power: External power supply Input: 110V-240V 50/63Hz 2A Output: 12V DC 8A 96W MAX Interface: 6 USB port 1 LAN port
Firstly the Alienware 25″ 360Hz Gaming Monitor AW2523HF is built for gamers who demand fast and smooth performance. It features a 24.5-inch Fast IPS panel with Full HD resolution for sharp visuals and vivid colors. Furthermore this gaming monitor offers a blazing 360Hz refresh rate via DisplayPort and up to 255Hz via HDMI, making motion incredibly smooth. With a 0.5ms response time, fast-paced games feel crisp and responsive with minimal blur. The display supports 99% sRGB color gamut, ensuring rich and accurate colors. It also has an anti-glare coating and 178° wide viewing angles, so your game looks great from every position. It’s compatible with AMD FreeSync Premium and G-SYNC, giving you a tear-free and fluid gameplay experience on both major GPU brands. Gaming features like Dark Stabilizer, AlienVision modes, and a built-in FPS counter give players extra control and awareness in-game. The monitor’s stand is fully adjustable with options to tilt, swivel, pivot, and adjust height for comfort during long gaming sessions. It also supports VESA mounting for flexible desk setups. For connectivity, the AW2523HF includes two HDMI 2.0 ports, one DisplayPort 1.4, four USB 3.2 Gen 1 downstream ports, a USB upstream port, headphone jack, and audio line-out. These ports make it easy to connect accessories and manage your setup neatly. In short, the Alienware 25″ 360Hz Gaming Monitor AW2523HF is a top-tier gaming monitor with extreme refresh rate, color accuracy, and gamer-friendly features. Specifications: Display : 24.5″ Fast IPS Resolution : 1920×1080 FHD Refresh Rate : 360Hz Response Time : 0.5ms
The MSI G32CQ5P 32″ 1ms 170Hz Curved Gaming Monitor delivers immersive visuals and fast performance for gamers and entertainment users. Its large 32‑inch curved screen wraps slightly around your view, making games, movies, and work more engaging. Moreover, the high 170Hz refresh rate ensures smooth motion and responsive gameplay so action looks fluid and natural. This gaming monitor features a quick 1ms response time that reduces motion blur and ghosting, giving you clearer visuals during intense gaming sessions. Additionally, the vivid colors and rich contrast make visuals more vibrant and detailed, enhancing your overall viewing experience. The sleek design fits gaming setups and home offices with ease, adding a modern touch to your space. The MSI G32CQ5P includes multiple connectivity options, allowing you to connect gaming PCs, consoles, and multimedia devices quickly and easily. Furthermore, ergonomic tilt adjustments help maintain comfortable viewing during long play or work sessions. Therefore, it is ideal for gamers, students, and professionals seeking both performance and style. Finally, it combines immersive curved visuals, smooth performance, and practical design for everyday use. Specifications: 32″ curved gaming monitor 1ms response time for reduced motion blur 170Hz refresh rate for smooth gameplay Vivid colors and immersive visuals Multiple connectivity options
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 BenQ GL2780 27″ 75Hz Monitor is a practical and affordable choice for everyday use and light gaming. It features a 27-inch Full HD screen that delivers sharp visuals and clear details for work or play. The monitor offers a 75Hz refresh rate and a fast 1ms response time for smooth motion and reduced blur. Its LED backlight provides good brightness, while the anti-glare screen helps reduce reflections in bright rooms. With BenQ Eye-Care technology, including Flicker-Free and Low Blue Light modes, your eyes stay comfortable longer. The Brightness Intelligence feature adjusts the screen brightness based on room lighting for better viewing. You can connect the monitor easily using HDMI, DisplayPort, VGA, or DVI-D inputs, giving flexibility with devices. It also includes built-in 2W speakers and a headphone jack for simple audio without needing extras. The stand allows tilt adjustment, so you can set the best viewing angle for your desk setup. It’s also VESA mount compatible, giving you the option to mount it on a wall or arm. The design is sleek and clean, fitting nicely in any home office, school, or entertainment space. With solid performance and user-friendly features, it’s a great option for students, professionals, and casual gamers. The BenQ GL2780 27″ 75Hz Monitor offers reliable performance, smooth visuals, and great eye comfort at a budget-friendly price. Specifications: Display : 27″ Resolution : FHD 1920 x 1080 Refresh Rate : 75Hz Response Time : 1ms Speaker : Integrated
The Cudy M1200 AC1200 Mesh WiFi System provides seamless whole-home coverage with stable dual-band speeds up to 1200Mbps. Designed to eliminate dead zones, it delivers smooth roaming, strong signal performance, and reliable connectivity for homes and offices. AC1200 Dual Band WiFi – Combined speeds of up to 1200Mbps (300Mbps on 2.4GHz + 867Mbps on 5GHz) for streaming, browsing, and gaming. Whole-Home Mesh Coverage – Multiple units work together to create a single seamless network, eliminating WiFi dead zones. Seamless Roaming – Automatically connects your devices to the strongest signal as you move around your home. Gigabit Ethernet Ports – High-speed wired connections for smart TVs, gaming consoles, and PCs. Easy Setup & Management – Quick installation and control through a user-friendly interface or mobile app. Flexible Expansion – Easily add more mesh units to extend coverage anytime. Stable & Reliable Performance – Designed for multiple connected devices with consistent speed and signal strength. Gigabit Ethernet Ports (WAN/LAN) Dual Band WiFi (2.4GHz & 5GHz) Mesh Networking Technology WiFi Roaming Support Wireless Security (WPA/WPA2)
The ASUS VA249HG 24″ FHD Eye Care Monitor offers clear and sharp Full HD visuals. It provides bright colors and strong contrast. This makes movies, work, and daily tasks look clean and detailed. The 24-inch screen size is perfect for desks and small spaces. Moreover, the ASUS VA249HG 24″ FHD Eye Care Monitor includes a fast 75Hz refresh rate. This improves motion and reduces blur. It gives smoother movement during games and videos. This helps you enjoy a better viewing experience. In addition, the monitor features Adaptive Sync support. This reduces tearing and stuttering during fast action. Your screen stays smooth and steady. This makes it ideal for gamers and casual users. Furthermore, the ASUS VA249HG 24″ FHD Eye Care Monitor includes ASUS Eye Care technology. It reduces blue light and screen flicker. This helps protect your eyes during long hours of use. You can work, watch, or study more comfortably. Also, the monitor uses a VA panel for deep colors. It shows richer blacks and strong contrast levels. This improves the quality of movies and photos. It also works well for everyday design tasks. The clean and modern design of the ASUS VA249HG 24″ FHD Eye Care Monitor fits any workspace. The stand is stable and simple to adjust. You can tilt the screen for better comfort. This helps you find your ideal viewing angle. Overall, the ASUS VA249HG 24″ FHD Eye Care Monitor offers smooth performance, eye protection, and strong image quality. It is a great choice for home, office, and gaming use. It provides comfort, clarity, and value in one dependable display. Specifications: Display : 24″ IPS Resolution : FHD Refresh Rate : 120Hz Response Time : 1ms Model : 90LM02W0-B01171
Philips 271V8LA/71 27-inch Full HD monitor delivers reliable everyday performance for work, study, and light entertainment. It focuses on clear visuals, comfortable viewing, and stable refresh rate for daily use. Additionally, it features a 27-inch VA panel with Full HD resolution (1920 × 1080). This panel provides strong contrast and wide viewing angles, so it improves readability and general image clarity. Moreover, it supports a 75Hz refresh rate with Adaptive Sync. As a result, it delivers smoother motion and reduces screen tearing during video playback and casual gaming. The monitor includes a 4ms response time (GtG). Therefore, it keeps motion reasonably smooth for office tasks, browsing, and multimedia use. In addition, it offers Flicker-Free technology and LowBlue Mode. So it helps reduce eye strain during long working or study sessions. Furthermore, it supports HDMI and VGA connectivity. This ensures compatibility with both modern and older devices, making setup flexible and simple. Philips 271V8LA/71 27-inch Full HD monitor provides a practical balance of clarity, comfort, and smooth everyday performance for home and office use. manufacturer link Specifications: 27-inch VA panel with Full HD 1920 × 1080 resolution 75Hz refresh rate for smoother visuals Adaptive Sync for reduced tearing and stuttering 4ms GtG response time for stable motion Flicker-Free and LowBlue Mode for eye comfort
A lightweight and efficient pre-owned Lenovo ThinkPad T14s Gen 2 with 14" display, AMD Ryzen 5 5650U, 16GB RAM, and 256GB SSD—delivering strong performance, all-day battery life, and premium portability for professionals and students.
The Mortal T1 Mini is an ultra-compact, budget-friendly Android TV box designed to turn any standard HDMI television into a smart entertainment platform. It features 4K hardware decoding, dual-band Wi-Fi, and a voice-controlled remote, providing a smooth and responsive experience for local IPTV, YouTube, and mainstream streaming applications. ✅ Full Specifications: Model: Mortal T1 Mini 4K Smart Media Player Interface / Connection: Wi-Fi: Dual-Band (2.4GHz / 5GHz) 802.11n Bluetooth: BT 5.0 (Supports wireless remotes, headphones, and controllers) Wired Network: 1 x 10/100Mbps Ethernet LAN Port (Note: Available on standard mini casing configurations) Input/Output Ports: 1 x HDMI Out, USB Ports, 1 x TF/microSD Card Slot, 1 x DC 5V Power Interface / Connection: Wi-Fi: Dual-Band (2.4GHz / 5GHz) 802.11n Bluetooth: BT 5.0 (Supports wireless remotes, headphones, and controllers) Wired Network: 1 x 10/100Mbps Ethernet LAN Port (Note: Available on standard mini casing configurations) Input/Output Ports: 1 x HDMI Out, USB Ports, 1 x TF/microSD Card Slot, 1 x DC 5V Power Performance / Hardware: CPU: Allwinner H313 Quad-Core ARM Cortex-A53 (up to 1.5GHz) (Also distributed in select regional batches with Rockchip quad-core architectures) GPU: Mali-G31 MP2 / Mali-450MP Graphics Engine Resolution Output: Native HDMI 2.0 supporting up to 4K @ 60Hz Video Decode Formats: 4K Ultra HD hardware acceleration decoding including H.265 HEVC, H.264, VP9, and 3D video support High Dynamic Range (HDR): Supports HDR10+, HDR10, and HLG profiles Performance / Hardware: CPU: Allwinner H313 Quad-Core ARM Cortex-A53 (up to 1.5GHz) (Also distributed in select regional batches with Rockchip quad-core architectures) GPU: Mali-G31 MP2 / Mali-450MP Graphics Engine Resolution Output: Native HDMI 2.0 supporting up to 4K @ 60Hz Video Decode Formats: 4K Ultra HD hardware acceleration decoding including H.265 HEVC, H.264, VP9, and 3D video support High Dynamic Range (HDR): Supports HDR10+, HDR10, and HLG profiles Capacity / Memory Options: 2GB RAM + 16GB eMMC Internal Flash Storage (Storage expandable up to 256GB via TF card slot or external USB drive) Material & Build: Durable, matte plastic compact shell engineered with passive thermal management to maintain low operational temperatures Design & Form Factor: Pocket-sized, ultra-light mini layout designed to easily fit behind wall-mounted or desktop televisions Security & Software: Operating System variants run customized, stable Android TV distributions (Android 13 / Android 14) optimized for app longevity, security patch support, and easy layout control Voice Assistant: Includes an ergonomic voice remote control featuring an integrated microphone button for hands-free Google Assistant commands and quick navigation Compatibility: Fully compatible with major applications like YouTube, Netflix, Disney+, Prime Video, various IPTV clients, and Screen Mirroring Cast protocols Dimensions: Approx. 77 x 77 x 12 mm (May vary slightly up to 88 x 88 x 18 mm depending on exact regional shell style) Weight: Approx. 0.25 to 0.35 kg
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
Genuine-spec Touch Bar assembly with integrated flex cable for 2020 MacBook Pro 13″ models (A2251, A2289, A2338)—restores full Touch ID and Touch Bar functionality with OEM-level fit and performance. Compatible With: MacBook Pro 13″ (2020): A2251 (Intel Core i5/i7, two Thunderbolt ports) A2289 (Intel Core i5/i7, four Thunderbolt ports) A2338 (Apple M1 chip, two Thunderbolt ports) MacBook Pro 13″ (2020): A2251 (Intel Core i5/i7, two Thunderbolt ports) A2289 (Intel Core i5/i7, four Thunderbolt ports) A2338 (Apple M1 chip, two Thunderbolt ports) A2251 (Intel Core i5/i7, two Thunderbolt ports) A2289 (Intel Core i5/i7, four Thunderbolt ports) A2338 (Apple M1 chip, two Thunderbolt ports) Includes: Complete Touch Bar module with integrated flex cable, Touch ID sensor, and ambient light sensor—ready for direct connection to the logic board. Functionality: Fully restores dynamic Touch Bar controls, system functions, app shortcuts, and Touch ID (fingerprint authentication and power button). OEM-Quality Build: Matches Apple’s original design in responsiveness, finish, and sensor alignment—ensures seamless integration with macOS. Color Options: Available in Space Gray and Silver to match your MacBook’s top case (confirm your model’s color before ordering). Installation Note: Requires full top case disassembly and careful handling of adhesive and connectors. The flex cable routes under the speakers and connects near the logic board—precision is essential. Recommended for experienced technicians.
Maximize your productivity with the Lenovo ThinkPad E14 Gen 1, featuring a powerful 10th Gen Intel Core i7 processor and dedicated AMD Radeon RX 640 graphics. With 16GB RAM and a fast 256GB NVMe SSD, this pre-owned professional laptop is designed to handle both intensive office workloads and light graphical tasks with ease.
The ViewSonic VA2450-H-12 24″ FHD 100Hz Monitor offers smooth visuals for work, entertainment, and gaming. It delivers sharp Full HD clarity with bright colors. The screen shows clean images that make videos and documents look better. This helps you enjoy a more comfortable viewing experience. Moreover, the ViewSonic VA2450-H-12 24″ FHD 100Hz Monitor features a fast 100Hz refresh rate. This reduces motion blur during fast scenes. It makes gaming smoother and more responsive. It also improves scrolling and general use. In addition, the monitor includes HDMI and VGA ports. These connections make setup quick and simple. You can use the monitor with laptops, PCs, and media devices. This offers strong flexibility for daily tasks. Furthermore, the ViewSonic VA2450-H-12 24″ FHD 100Hz Monitor has an eye-care design. It includes flicker-free technology to reduce strain. The blue light filter helps protect your eyes during long sessions. This makes the monitor ideal for work and study. Also, the slim frame design gives the monitor a modern look. It saves space on your desk and improves your workspace. The clean edges make multi-monitor setups easy and seamless. This helps create a professional environment. The stand on the ViewSonic VA2450-H-12 24″ FHD 100Hz Monitor offers stable support. You can tilt the screen for better viewing comfort. This helps you find a position that suits your posture. It improves your daily productivity. Overall, the ViewSonic VA2450-H-12 24″ FHD 100Hz Monitor provides clear visuals, smooth motion, and strong comfort. It works well for gaming, work, streaming, and general use. It is a reliable choice for users who want performance and simplicity. Specifications: Display : 24″ IPS Resolution : 1920×1080 Refresh Rate : 100Hz Response Time : 5ms
Genuine-spec UK layout keyboard replacement for MacBook Air 13″ (Model A2337, 2020)—featuring Apple’s Magic Keyboard with scissor-switch mechanism, backlighting, and full OEM compatibility for reliable, authentic typing experience. Compatible With: MacBook Air 13-inch (2020, Model A2337) – includes both Intel (Core i3/i5/i7) and Apple M1 chip variants. Layout: UK English (QWERTY) with £ symbol, taller vertical Enter key, and standard UK key labeling—matches Apple’s original regional configuration. Keyboard Type: Apple’s Magic Keyboard with scissor-switch mechanism—offering improved durability, quieter keystrokes, and 1mm key travel compared to older Butterfly designs. Integrated Features: Backlit keys for low-light environments, ambient light sensor support, and original-style ribbon cable connector for direct logic board connection. Build & Fit: Precision-engineered to align perfectly within the MacBook Air’s top case—ensures flush mounting and consistent key feel. Installation Note: The keyboard is factory-glued into the top case and requires full disassembly for replacement. Re-adhesion must be done carefully with proper adhesive. Recommended for experienced repair technicians.
The BenQ PD2706U 27″ 4K 60Hz Monitor is crafted for designers and content creators who demand color accuracy and clarity. Its 27-inch IPS panel delivers a 3840×2160 resolution, ensuring sharp visuals and detailed imagery. With 95% DCI-P3, 100% sRGB, and 100% Rec.709 color space coverage, this monitor offers vibrant and true-to-life colors. Factory calibration ensures Delta E ≤ 3, providing consistent color accuracy across projects. The PD2706U supports HDR10 and VESA DisplayHDR 400, enhancing dynamic range for more realistic images. Its anti-glare screen and 178° viewing angles ensure comfortable viewing in various lighting conditions. Connectivity is streamlined with a 90W USB-C port, HDMI 2.0, and DisplayPort 1.4, facilitating easy integration with multiple devices. The built-in KVM switch allows control of two systems using one keyboard and mouse setup. Ergonomic features include height adjustment, tilt, swivel, and pivot, enabling users to customize their viewing experience for comfort. The monitor’s sleek design complements modern workspaces. Additional features like Low Blue Light and Flicker-Free technology reduce eye strain during extended use. The included Hotkey Puck G2 provides quick access to frequently used settings. In summary, the BenQ PD2706U 27″ 4K 60Hz Monitor combines high-resolution display, accurate color reproduction, and user-friendly features, making it an excellent choice for creative professionals. Specifications: Display : 27″ IPS Resolution : 4K (3840×2160) Refresh Rate : 60Hz Response Time : 5ms Speaker : Integrated
SS03XL 933321-855 Laptop Battery Replace for Hp EliteBook 840 G5 G6 Notebook 730 735 740 745 830 846 G5 840 G6 735 745 830 G6 ZBook 14U G5 G6 Series HSN-I13C-4 HSTNN-LB8G 932823-421 933321-852 50Wh About this item 【Basic Details】Item Model: SS03XL; Battery Type: Li-ion; Voltage: 11.55V; Capacity: 50Wh/4330mAh; Battery Color: Black. 【Compatible P/N 】SS03XL SS03 933321-855 / 932823-171 / 933321-852 932823-1C1 / 932823-271 / 932823-2C1 / 932823-421 / HSN-112C / HSN-113C-4 / HSN-I13C-4 / HSN-I12C / HSTNN-IB8C / HSTNN-LB8G / HSTNN-DB8J / SS03050XL 【Compatible Laptop Models】HP Elitebook 840 G5/ 730 G5/ 735 G5/ 740 G5/ 745 G5/ 836 G5/ 846 G5 Series; HP Elitebook 840 G6/ 735 G6/ 745 G6/ 830 G6 Series; HP ZBook 14U G5 Series; HP ZBook 14U G6 Series; HP MT44 Mobile Thin Client
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
