A robust Beurotika cash drawer featuring a 450mm metal body, secure 3-position lock, and compatibility with most POS systems—ideal for retail, restaurants, and small businesses. Secure 3-position key lock: Open, locked, and release-to-print modes for controlled access 6 coin slots + 4 bill compartments: Organized layout for efficient cash handling Heavy-duty steel construction: Reinforced frame and smooth slide rails for daily reliability Standard RJ12 interface: Compatible with most POS systems (e.g., Epson, HP, Bixolon, and Beurotika receipt printers) Auto-open trigger: Automatically opens when connected to a compatible receipt printer during transactions Bottom cable entry: Keeps wiring neat and protected
AOC 24B30HM2 23.8-inch 100Hz monitor delivers smooth everyday performance for work, study, and casual gaming. It focuses on stable motion, clear Full HD visuals, and comfortable long-term use. Additionally, it features a 23.8-inch VA panel with Full HD resolution (1920 × 1080). This panel provides strong contrast and sharp image quality, so it improves readability and viewing comfort. Moreover, it supports a 100Hz refresh rate. As a result, it offers smoother motion than standard 60Hz displays, especially during scrolling and light gaming. The monitor includes a 4ms response time. Therefore, it helps reduce motion blur and keeps fast-moving visuals clearer during use. In addition, it uses Adaptive Sync technology. This reduces screen tearing and stuttering, so visuals stay stable across different frame rates. Furthermore, it includes eye comfort features like Flicker-Free technology and Low Blue Light mode. So it helps reduce eye strain during long sessions. AOC 24B30HM2 23.8-inch 100Hz monitor delivers reliable performance, smooth visuals, and essential comfort features for daily use. Specifications: 23.8-inch VA panel with Full HD 1920 × 1080 resolution 100Hz refresh rate for smoother visuals 4ms response time for reduced motion blur Adaptive Sync for tear-free performance Flicker-Free and Low Blue Light eye comfort features
Experience elite performance with the Lenovo ThinkPad E14 Gen 3, powered by the AMD Ryzen 7 5700U 8-core processor. Featuring 16GB RAM, a lightning-fast 512GB NVMe SSD, and a professional 14-inch FHD display, this laptop is engineered for high-level productivity and military-grade durability.
The MSI MAG 32C6X 32″ 250Hz Curved Gaming Monitor is built for gamers who demand speed and immersion. It features a large 32-inch curved VA panel that wraps around your vision for a deeper gaming experience. The 1500R curvature provides a natural and comfortable view, perfect for long sessions. With a stunning 250Hz refresh rate, the MSI MAG 32C6X 32″ 250Hz Curved Gaming Monitor delivers ultra-smooth gameplay. Every frame feels fluid, making fast-paced action scenes look incredibly sharp. The 1ms response time ensures reduced motion blur and ghosting, keeping you ahead in competitive games. Thanks to AMD FreeSync technology, screen tearing and stuttering are minimized for a flawless experience. The monitor’s Full HD resolution offers crisp details without overloading your graphics card. Vivid colors and sharp contrasts enhance every scene, whether gaming or watching movies. The MSI MAG 32C6X 250Hz Curved Gaming Monitor features a stylish design with slim bezels that fit into any gaming setup. It comes equipped with DisplayPort and HDMI inputs, making connectivity simple and fast. Night Vision technology brightens dark areas, helping you spot hidden enemies without washing out the image. It also includes anti-flicker technology and a low blue light mode to reduce eye strain during long gaming marathons. In summary, the MSI MAG 32C6X 32″ 250Hz Curved Gaming Monitor combines speed, clarity, and comfort, making it a great choice for serious gamers who want the best. Specifications: Display : 31.5″ VA Resolution : 1920 x 1080 (FHD) Refresh Rate : 250Hz Response Rate : 1ms (MPRT) Curvature : Curve 1500R
The Samsung 85-Inch QLED 4K Smart TV QA85Q7FAAUXTW delivers a premium large-screen viewing experience with advanced QLED display technology. It produces bright, sharp, and colorful images, so movies, sports, and games look immersive and detailed on the massive 85-inch screen. QLED technology uses Quantum Dot enhancement to improve brightness and color accuracy. As a result, visuals appear more vivid and balanced across both dark and bright scenes. This helps maintain consistent picture quality in different lighting conditions and content types. Samsung Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color for optimal results. Therefore, the TV consistently delivers improved visuals without manual tuning. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR support expands contrast and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action content by reducing blur and improving smoothness. The Smart TV platform provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and allows quick switching between applications. In addition, the slim design with thin bezels gives the Samsung 85 QLED 4K Smart TV QA85Q7FAAUXTW a modern and premium appearance suitable for large living spaces. Overall, this Samsung QLED TV combines strong brightness performance, AI optimization, and smart connectivity for an immersive home entertainment experience. Specifications: QLED technology delivers bright and vivid picture quality 85-inch 4K display provides immersive large-screen viewing Vision AI optimizes picture and sound automatically in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
BATTERY ASUS A41-X550E X450 X450e X450j X450jf X550e X550z X550za X750j X750ja X751 X751m A450j A450jf A450e F751la F751ma F751mj R751 R752 F751 K751 P750L P750L Series About this item Gomarty:100% Brand NEW, Battery Type: Li-ion Voltage: 15V Capacity: 2600MAH Cells: 4-cell Color: Black, High-Quality Battery for ASUS; Gomarty has registered a U.S. Trademark and the serial number is 87155272 Battery Models: A41-X550E Laptop Battery for Asus X450 X450E X450J X450JF X751M X751MA-DB01Q X751MA X751L X750JA This laptop Battery works with ASUS D451V D451E K450V K550E K550D K550DP F450 F450C F450V F450E F450J F450JF F751 F751L F751LA F751LAV F751LB F751LD F751LDV F751LJ F751LK F751LN F751LX F751M F751MA F751MD F751MJ A450 A450C A450V A450E A450J A450JF Series 0B110-00220000M. Grade A cells ensure fast charges and low power consumption, while built-in circuit protection ensures safety and stability. Customer Questions: If you have any questions, you can contact us. We will respond within 24 hours.
L12M4E01 L12L4A02 Battery for Lenovo G50 G50-70 G50-45 Z710 G400s S510p G510s G500s G40-70 G50-30,IdeaPad Z50,IdeaPad S510p Touch,IdeaPad G505s,IdeaPad S410p About this item This battery type: Li-ion; Voltage: 14.8V Capacity: 2600MAH; Cells: 4-cell;color: Black; 100% Brand New.Fit P/N L12L4A02, L12L4E01, L12M4A02, L12M4E01, L12S4A02, L12S4E01 Compatible Models: Relacement battery for lenovo G400s G40-30 G40-45 G405s G40-70 G40-70M G410s G50 G500s G50-30 G50-45 G505s G505s G50-70 G50-70A G50-70M G50-75 G50-80 G510s G510s S410p S410p S435 S510p S510p Z40 Z40-70 Z40-75 Z50 Z50-70 Z70 Z70-70 Z70-80 Z710 Compatible P/N: Lenovo battery L12L4A02 L12L4E01 L12M4A02 L12M4E01 L12S4A02 L12S4E01 121500171 121500172 121500173 121500174 121500175 121500176 90202869 All FTYTEN products are 100% Brand New; Grade A Li-ion battery cells ensure fast charges; Rigorous quality control; Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety.
The MSI MAG 32CQ6F 32″ 180Hz Curved Gaming Monitor delivers an immersive gaming experience. Its 32-inch curved display enhances your field of view, making games feel more engaging and realistic. With a 1500R curvature, it offers a comfortable viewing experience for extended gaming sessions. This monitor features a 180Hz refresh rate, providing ultra-smooth visuals. It reduces motion blur and screen tearing, ensuring a competitive edge in fast-paced games. Combined with a 1ms response time, you get lightning-fast reactions with no ghosting or lag. The MSI MAG 32CQ6F boasts a 2560×1440 (QHD) resolution, offering crisp and detailed visuals. Whether you’re gaming, streaming, or working, the high resolution provides stunning clarity. The VA panel technology ensures vibrant colors and deep contrasts for an immersive viewing experience. With support for AMD FreeSync Premium, the monitor synchronizes with your GPU to eliminate screen tearing and stuttering. This ensures smooth gameplay even during intense action scenes. The monitor also features multiple connectivity options, including HDMI and DisplayPort, making it compatible with various devices. The stylish and modern design of the MSI 32CQ6F complements any gaming setup. Its slim bezels and adjustable stand offer flexibility and comfort. Plus, the anti-flicker and low blue light technology help reduce eye strain, allowing for longer gaming sessions. Upgrade your gaming experience with the MSI MAG 32CQ6F 32″ 180Hz Curved Gaming Monitor, perfect for casual and competitive gamers alike. Specifications: Display : 31.5″ Rapid VA Resolution : 2560 x 1440 (WQHD) Curvature : 1500R Refresh Rate : 180Hz Response Rate : 0.5ms
Are you ready to take your gaming to the next level? Look no further than the Samsung Odyssey G5 27″ Curved Gaming Monitor. This cutting-edge monitor is designed to deliver an immersive gaming experience like no other. Featuring a stunning 27-inch curved display, the Samsung Odyssey G5 brings your games to life with vibrant colors and crystal-clear visuals. Whether you’re exploring virtual worlds or engaging in epic battles, every detail will be rendered with precision and clarity. With a lightning-fast 165Hz refresh rate, this monitor ensures buttery-smooth gameplay with no lag or stuttering. Say goodbye to screen tearing and motion blur, and hello to an ultra-responsive gaming experience. Equipped with AMD FreeSync technology, the Samsung Odyssey G5 syncs the monitor’s refresh rate with your graphics card, eliminating screen tearing and providing silky-smooth gameplay. Transitioning to its design, the Odyssey G5 features a sleek and stylish aesthetic that will complement any gaming setup. Its slim bezels and curved screen create an immersive viewing experience that pulls you into the action. Connectivity is key for gamers, and the Samsung Odyssey G5 doesn’t disappoint. With HDMI and DisplayPort inputs, you can easily connect your gaming PC, console, or other devices for maximum versatility. Furthermore, the Odyssey G5 comes with a range of gaming-centric features, including customizable gaming modes, black equalizer technology, and low input lag. Whether you’re playing fast-paced shooters or strategy games, you can tailor your gaming experience to suit your preferences. In summary, the Samsung Odyssey G5 27″ Curved Gaming Monitor is the ultimate choice for gamers who demand performance, immersion, and style. Upgrade your gaming setup today and experience gaming like never before. Specifications: Display : 27″ VA Curvature : 1000R Resolution : 2,560 x 1,440 Refresh Rate : 165Hz Response Rate : 1ms
Huawei IdeaHub B2 IHB2-65PU 65-inch conferencing display delivers an advanced all-in-one solution for modern meeting rooms. It combines a 4K UHD touchscreen with smart collaboration tools to enhance productivity and communication. As a result, teams can present, write, and share ideas seamlessly across multiple platforms. Moreover, the zero-gap laminated IPS panel ensures sharp visuals and precise touch response. The infrared multi-touch system supports up to 20 touch points, while low latency writing creates a smooth and natural pen experience. In addition, smart handwriting recognition and annotation features improve brainstorming and note-taking efficiency. Furthermore, the device includes dual WiFi connectivity and wide compatibility with Android, Windows, iOS, and macOS systems. The built-in speakers deliver clear audio, and the multiple front and rear ports provide flexible connectivity for various devices. Therefore, it is ideal for presentations, video conferencing, and collaborative workspaces. Huawei IdeaHub B2 65-inch display offers powerful performance, seamless connectivity, and intelligent collaboration features for professional environments. Specifications: 65-inch 4K UHD display with 3840 × 2160 resolution Supports up to 20 touch points with infrared technology Zero-gap laminated glass with D-LED backlight Quad-core CPU with 4GB RAM and 32GB storage Wide connectivity including HDMI, USB, Type-C, and OPS port
The Dell Latitude 5410 is a dependable, enterprise-grade 14-inch business laptop built for smooth multitasking and daily office productivity. Powered by a 10th Generation Intel Core i5 processor and fast SSD storage, this pre-owned Grade-B unit offers excellent performance value with minor, visible cosmetic wear on the outer chassis.
OEM-quality trackpad replacement (without flex cable) for MacBook Air 13.3″ M1 (Model A2337, EMC 3598)—available in Space Gray, Gold, and Silver finishes—engineered for precise Force Touch response, smooth multi-touch gestures, and perfect color-matched integration. Compatible With: MacBook Air 13.3-inch (2020, Model A2337, EMC 3598) with Apple M1 chip. Part Type: Trackpad only—does not include the flex cable, Taptic Engine, or mounting brackets. Intended for professional technicians who will reuse or transfer the original internal components. Color Options: Space Gray – matches Space Gray and Midnight finishes Gold – matches Gold MacBook Air Silver – matches Silver and Starlight finishes Each variant is finished to OEM specifications for seamless visual continuity with the lower case. Space Gray – matches Space Gray and Midnight finishes Gold – matches Gold MacBook Air Silver – matches Silver and Starlight finishes Each variant is finished to OEM specifications for seamless visual continuity with the lower case. Force Touch Support: Fully compatible with pressure-sensitive input and haptic feedback when used with the original Taptic Engine and logic board—ensuring full macOS gesture functionality (e.g., Force Click, Look Up, pressure-sensitive drawing). Precision Engineering: Features the same smooth glass surface, curvature, and micro-click mechanism as Apple’s original—delivering consistent tracking accuracy and tactile feel. Installation Requirements: Requires complete bottom case disassembly and careful transfer of the original flex cable and Taptic Engine. Adhesive must be applied precisely to maintain structural integrity and sensor alignment. Recommended for certified or experienced repair technicians only. Important: This is a bare trackpad assembly—not a plug-and-play module. Functionality depends on correct integration with original electronics.
The Samsung 75″ QLED 4K Q60F Smart TV QA75Q6FAAUXTW delivers a large-screen entertainment experience with advanced QLED display technology. It produces bright colors, sharp details, and impressive clarity, making movies, sports, and games more enjoyable on the expansive 75-inch screen. QLED technology uses Quantum Dot enhancement to improve color accuracy and brightness. As a result, images appear vivid and lifelike across a wide range of content. Dark scenes retain detail, while bright scenes remain balanced and clear. This helps create a consistent viewing experience throughout the day. The 4K UHD resolution provides four times the detail of Full HD content. Therefore, images look sharper and more refined. In addition, Samsung’s processing technology enhances lower-resolution content, helping it appear clearer and closer to 4K quality. HDR support improves contrast and expands the range of visible colors. This allows brighter highlights and deeper shadows, creating a more realistic picture. Fast-moving scenes also appear smoother, making sports broadcasts and action movies more enjoyable to watch. The Smart TV platform offers convenient access to popular streaming services, apps, and connected home features. It responds quickly and provides an easy-to-use interface for everyday entertainment. In addition, the slim design and narrow bezels give the Samsung QLED 75 4K Q60F Smart TV QA75Q6FAAUXTW a modern appearance that complements a variety of living spaces. Overall, this Samsung QLED TV combines large-screen immersion, vibrant color performance, and smart connectivity for a reliable home entertainment solution. Specifications: QLED technology delivers vibrant colors and enhanced brightness 75-inch 4K UHD display provides immersive viewing HDR improves contrast and image realism Smart TV platform supports streaming apps and connected features Slim design complements modern living spaces
The MSI PRO MP275W E2 27″ 120Hz Business Monitor is designed to enhance productivity with smooth visuals and eye-care features. It features a 27-inch Full HD IPS panel, delivering clear images and wide viewing angles for everyday work tasks. With a 120Hz refresh rate, the monitor provides smoother motion compared to standard displays. This makes it ideal not only for business use but also for light entertainment. The MSI PRO MP275W E2 27″ 120Hz Business Monitor ensures reduced motion blur and a more comfortable viewing experience. The monitor supports Anti-Flicker and Less Blue Light technologies, helping to reduce eye strain during long hours of use. These features are especially useful in office settings or remote work environments. Thanks to its built-in speakers, users can enjoy basic audio without needing external accessories. The MSI PRO MP275W E2 27″ 120Hz Business Monitor also includes HDMI and VGA ports, offering compatibility with modern and older devices. Its sleek, minimal design fits easily into any workspace, whether at home or in an office. The adjustable tilt function allows users to set the screen at the most comfortable viewing angle. This monitor is also VESA mount compatible, making it easy to attach to a monitor arm or wall mount. It supports a clutter-free setup that boosts workspace efficiency. In conclusion, the MSI PRO MP275W E2 27″ 120Hz Business Monitor offers smooth performance, comfort-focused features, and modern connectivity in a professional package. It’s ideal for business users who value quality and simplicity. Specifications: Display : 27″ IPS Resolution : 1920 x 1080 (FHD) Refresh Rate : 120Hz Response Time : 1ms (MPRT) / 4ms (GtG) Speaker : 2x 2W
The MSI PRO MP251W E2 25″ FHD 120Hz Monitor delivers crisp, clear visuals for work, entertainment, and casual gaming. It uses a Full HD panel that shows sharp detail in movies, documents, and web browsing. The 25-inch size gives enough screen space without overwhelming your desk. This makes it a practical choice for home and office setups. Moreover, the MSI PRO MP251W E2 features a 120 Hz refresh rate. This smoother refresh makes motion cleaner and reduces blur during video playback and light gaming. Fast animations and scrolling look fluid. This improves comfort during long sessions. In addition, the monitor uses an IPS panel with wide 178° viewing angles. Colors remain stable even if you move side to side. The panel supports 99% sRGB coverage for natural and balanced color reproduction. This makes it useful not only for daily tasks, but also for creative work and media editing. Furthermore, the MSI PRO MP251W E2 includes adaptive sync technology to help prevent screen tearing when frame rates fluctuate. It also features anti-glare coating and built-in speakers, making it convenient for multimedia and everyday use. Also, the design is clean and modern. The thin bezels give a neat, minimal look that fits many setups. The stand allows tilt adjustment for ergonomic comfort. The monitor supports VESA mounting if you want wall mount or alternate stand setup. Overall, the MSI PRO MP251W E2 25″ FHD 120Hz Monitor balances simplicity, performance, and versatility. It delivers smooth visuals, color quality, and ease of use in a compact form factor. This monitor is a great pick for everyday computing, office tasks, media, and light gaming. Specifications: Display : 25″ IPS Resolution : FHD 1920×1080 Refresh Rate : 120Hz Response Time : 1ms
The ASUS VG27AQ3A 27 inch QHD 180Hz Monitor is a 27-inch gaming display designed for smooth performance and clear image quality. It uses a Fast IPS panel that provides wide viewing angles and consistent colors for gaming and everyday use. It features a QHD (2560×1440) resolution, which delivers sharper detail than Full HD. Therefore, users get more screen space and clearer visuals for games, work, and media. The monitor supports a 180Hz refresh rate for smoother motion in fast-paced gameplay. In addition, it includes a 1ms response time to reduce motion blur during rapid actions. It also features ELMB Sync technology, which combines motion blur reduction with adaptive sync. As a result, it helps reduce screen tearing and improves overall visual clarity. Moreover, it supports adaptive sync for smoother frame synchronization with compatible GPUs. The monitor also includes built-in gaming presets and on-screen display controls for quick adjustments. Overall, the ASUS VG27AQ3A 27 inch QHD 180Hz Monitor is built for high-refresh gaming, responsive performance, and sharp visual output in a 27-inch QHD format. Specifications: 27-inch QHD (2560×1440) display 180Hz refresh rate 1ms response time Fast IPS panel technology ELMB Sync for reduced motion blur 90LM0940-B01970
Are you in the market for a reliable and budget-friendly monitor? Let’s delve into the Lenovo 27″ IPS 75Hz LED Monitor, a promising display that caters to both work and entertainment needs. Beginning with its size, the generous 27-inch screen provides an immersive viewing experience without overwhelming your workspace. The IPS technology ensures vibrant colors and wide viewing angles for optimal visual enjoyment. With a refresh rate of 75Hz, this monitor strikes a balance between smooth performance and affordability. Whether you’re working on spreadsheets, watching videos, or gaming casually, the 75Hz refresh rate ensures fluid on-screen motion. The LED backlighting technology not only contributes to energy efficiency but also enhances contrast, delivering deep blacks and bright whites. This feature is particularly advantageous for photo and video editing tasks, providing a more accurate representation of colors. Connecting peripherals is a breeze with the monitor’s versatile ports, including HDMI and VGA. This compatibility ensures seamless integration with various devices, from laptops to gaming consoles, offering flexibility for different usage scenarios. Lenovo’s commitment to user comfort is evident in the adjustable stand. Tilt and swivel functions allow you to find the optimal viewing angle, reducing eye strain during extended use. In terms of affordability, the Lenovo 27″ IPS 75Hz LED Monitor stands out as a cost-effective option without compromising on performance. It strikes a commendable balance between essential features and budget-conscious pricing. In conclusion, if you’re in search of a dependable 27-inch monitor that delivers on performance and affordability, the Lenovo IPS 75Hz LED Monitor is a worthy contender. Elevate your viewing experience without breaking the bank. Specifications: Display : 27″ IPS Resolution : FHD (1920×1080) Response Rate : Up to 4ms Refresh Rate : 75Hz
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 SAMSUNG 27A804UJN Monitor delivers sharp visuals with 4K UHD resolution and IPS technology. First, it provides accurate colors and wide viewing angles for work and entertainment. The monitor features a 27-inch display, 60Hz refresh rate, and 300 nits brightness. In addition, it includes HDMI and DisplayPort for easy connection to multiple devices. Moreover, the adjustable stand supports height and tilt for better comfort. Therefore, users can enjoy clear images, smooth performance, and a flexible setup for daily use. Specifications: 27″ UHD 3840 x 2160 resolution delivers sharp and detailed images IPS panel provides accurate colors and wide viewing angles 60Hz refresh rate ensures smooth performance for daily tasks HDMI and DisplayPort enable easy connection to multiple devices Height and tilt adjustment improves comfort and viewing position
BATTERY LENOVO 00HW023 11.25V 2.09Ah 24Wh 00HW022 00HW036 SB10F46460 Notebook Battery Compatible with Lenovo Thinkpad T460s Series Laptop About this item Condition: New Voltage: 11.25V Capacity: 24Wh/2090mAh Color: Black Replace Part Number: 00HW022 ASB10F46460 00HW023 SB10F46461 00HW036 SB10F46474 Fit for Laptop Models: Lenovo Thinkpad T460s T470s Series Laptop Notebook The Package Includes: a 1X 00HW022 battery. Before purchasing, please open the back cover of the laptop 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 itthreee times. 2:If you don’t use the battery for a long time, please charge and discharge it once a month
