A4Tech KRS-8372 USB Keyboard QWERTY English Black
The HP Series 7 Pro 27″ 2K 165Hz Gaming Monitor delivers crisp, sharp visuals for games, work, and media. Its 2K resolution shows more detail than FHD. The 27-inch size gives ample space for immersive scenes and multitasking. This helps you see more content and stay productive. Moreover, the HP Series 7 Pro 27″ 2K 165Hz Gaming Monitor features a high 165 Hz refresh rate. This refresh rate makes motion smoother and cleaner on screen. Fast-paced games and action scenes appear smoother and responsive. This reduces blur and improves reaction time. In addition, the monitor offers low response time for precise input. Quick response helps reduce ghosting and keeps fast visuals sharp. It makes your movements feel accurate during gameplay. This enhances gaming performance, especially in competitive titles. Furthermore, the HP Series 7 Pro 27″ 2K 165Hz Gaming Monitor uses a high-quality panel with bright colors and good contrast. Colors stay strong and true under different viewing angles. Also, the monitor supports multiple connection options like HDMI and DisplayPort. This allows easy setup with PCs, laptops, or consoles. The installation is simple, and connections are stable. This makes it ready quickly for gaming or work. The monitor’s design is modern and minimal. The slim bezels offer a sleek look that fits many setups. The stand is stable and supports adjustable viewing angles. The build feels solid, adding long-term durability. Overall, the HP Series 7 Pro 27″ 2K 165Hz Gaming Monitor provides strong performance, sharp visuals, and smooth motion. It improves gaming, creative work, and daily tasks. It fits gamers, designers, and professionals who want quality and speed in one display. Specifications: Display : 27″ IPS Resolution : QHD 2560×1440 Refresh Rate : 165Hz Response Time : 5ms
Experience entertainment like never before with the ViewSonic 32″ 75Hz Monitor VX3276-MHD-3. This monitor is designed to take your viewing experience to the next level. Featuring a spacious 32-inch display, enjoy crisp and clear visuals with vibrant colors and sharp details. Dive into your favorite movies, shows, and games with immersive clarity and realism. With a refresh rate of 75Hz, this monitor ensures smooth and fluid motion, reducing motion blur for a more enjoyable viewing experience. Say goodbye to choppy visuals and hello to seamless entertainment. Transitioning to design, the VX3276-MHD-3 boasts a sleek and modern design that complements any space. Its ultra-thin bezel provides a larger viewing area, maximizing your screen real estate for an immersive experience. Moreover, the monitor’s versatile connectivity options allow you to easily connect to your favorite devices, whether it’s your gaming console, streaming device, or PC. Enjoy hassle-free entertainment with seamless connectivity. Additionally, the VX3276-MHD-3 is equipped with ViewSonic’s exclusive ViewMode presets, offering optimized settings for different viewing scenarios. Choose from various presets like Game, Movie, and Web to customize your viewing experience. In conclusion, the ViewSonic 32″ 75Hz Monitor VX3276-MHD-3 is the perfect companion for your entertainment needs. With its stunning visuals, smooth performance, and versatile design, it’s sure to enhance your viewing experience. Upgrade your entertainment setup today and immerse yourself in a world of endless entertainment possibilities. Specifications: Display : 32″ IPS Resolution : FHD (1920×1080) Refresh Rate : 75Hz Response Rate : 4ms GTG
Are you in search of a high-quality monitor for work or play? Look no further than the ViewSonic VA3456-MHDJ. With its expansive 34-inch display and smooth 75Hz refresh rate, this monitor delivers an immersive viewing experience like no other. Firstly, let’s delve into the impressive display capabilities of the VA3456-MHDJ. With a spacious 34-inch screen and ultra-wide aspect ratio, you can enjoy stunning visuals with crisp detail and vibrant colors. Whether you’re editing photos, watching movies, or gaming, every image comes to life with remarkable clarity. Moreover, the 75Hz refresh rate ensures smooth and fluid performance, ideal for fast-paced gaming or multimedia content. Say goodbye to motion blur and screen tearing, and enjoy a seamless viewing experience with every frame. Additionally, the VA3456-MHDJ features versatile connectivity options to suit your needs. With HDMI, DisplayPort, and VGA inputs, you can easily connect to a variety of devices, including laptops, desktops, and gaming consoles. Switch between sources effortlessly and enjoy multimedia content from different sources with ease. Furthermore, this monitor is designed with your comfort in mind. The ergonomic stand offers tilt and height adjustment options, allowing you to find the perfect viewing position for extended use. Say goodbye to neck strain and discomfort, and enjoy hours of immersive viewing in total comfort. In conclusion, the ViewSonic VA3456-MHDJ 34″ 75Hz Monitor is the perfect choice for those seeking superior visual quality, smooth performance, and ergonomic design. Elevate your viewing experience and immerse yourself in stunning visuals with this impressive monitor. Specifications: Display : 34″ IPS Resolution : UWQHD 3440 x 1440 Refresh Rate : 75Hz Response Rate : 4ms GTG
Genuine-spec touchpad flex cable for MacBook Air 13″ (Model A1932, 2018–2019)—essential for restoring full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Air 13-inch (2018 & 2019, Model A1932, Model Identifier MacBookAir8,1) with Intel Core i5/i7 processors. 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, Force Touch pressure data, and haptic feedback signals—critical for macOS gestures like Force Click, three-finger lookup, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original in length, connector pitch, EMI shielding, and flexibility—ensures reliable signal integrity and long-term durability. Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is unusable 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 unusable Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and careful routing beneath the battery. The cable connects via a ZIF (Zero Insertion Force) socket on the logic board—must be properly aligned and latched without force. Recommended for experienced or certified technicians. Important: This is flex cable only—not a complete trackpad assembly. Must be used with the original or compatible A1932 trackpad and Taptic Engine. Not compatible with MacBook Air M1 (A2337/A2338), M2 (A2681/A2941), or any MacBook Pro model. This is flex cable only—not a complete trackpad assembly. Must be used with the original or compatible A1932 trackpad and Taptic Engine. Not compatible with MacBook Air M1 (A2337/A2338), M2 (A2681/A2941), or any MacBook Pro model.
Gain the competitive advantage with the Bloody ES7, featuring a high-performance 6000 CPI PixArt Optical Engine. With ultra-fast 1ms click response and customizable 16.8 million color RGB lighting, this mouse is built for gamers who demand precision, speed, and comfort in every match. The A4Tech Bloody ES7 is a professional-grade esports tool designed to translate every hand movement into on-screen action with 1:1 tracking accuracy. Driven by the reliable PixArt Optical Engine, it eliminates “angle snapping” and artificial corrections, ensuring your aim remains raw and precise. Its ergonomic symmetrical shape supports various grip styles, while the anti-sweat matte finish ensures you stay in control even during the most intense gaming sessions. PixArt Optical Engine (6000 CPI): High-precision tracking with 5-level adjustable sensitivity (1000/1200/1600/2000/6000 CPI). Fine-tune your control via software to suit any game genre. Lightning-Fast 1ms Response: Equipped with ahead-of-the-curve technology, the ES7 reacts instantly to your clicks, providing the low-latency performance required for competitive play. Vibrant RGB Lighting: Immerse yourself in your gaming setup with 16.8 million customizable RGB colors and dynamic lighting effects. Customizable “M” Button: The dedicated M button can be programmed via software to execute complex macros or combined functions, putting more power at your fingertips. Extreme Durability: Built to last, the primary buttons are rated for over 10 million clicks, and the high-quality scroll wheel is tested for over 500,000 scrolls. Braided 1.8m Cable: The robust, tangle-free braided cable ensures a stable connection and long-term durability against wear and tear. Sensor: PixArt Optical Engine Resolution: 100 – 6,000 CPI Report Rate: 125 – 1,000 Hz (Adjustable) Key Response: 1 ms Acceleration: 15 g Tracking Speed: 45 ips Frame Speed: 6,000 fps Buttons: 7 Buttons Memory: 256K Onboard Memory Interface: USB Wired (1.8m Cable) System Requirements: Windows 7/8/8.1/10/11 or later Bloody ES7 Esports Gaming Mouse Quick Start Guide
The Samsung Odyssey Neo G9 57″ 240Hz Curved Gaming Monitor redefines the gaming experience. It features a massive 57-inch curved display with ultra-wide dual 4K resolution. Every detail appears sharp, bright, and incredibly lifelike. The 1000R curve wraps around your vision perfectly. It makes gameplay more immersive and natural for your eyes. You feel fully surrounded by the action every time you play. With a 240Hz refresh rate, motion stays ultra-smooth and responsive. Fast-paced scenes and intense battles run without lag or tearing. Gamers can react instantly and stay one step ahead. The Quantum Mini LED technology delivers outstanding contrast and brightness. Blacks are deeper, highlights are brighter, and colors stay true. HDR support ensures every game looks cinematic and vibrant. Connectivity is modern and versatile. It includes DisplayPort 2.1, HDMI 2.1, and USB ports for easy setup. You can connect multiple devices and switch effortlessly. The sleek design stands out in any setup. The adjustable stand allows height, tilt, and swivel control. RGB CoreSync lighting adds style that matches your gameplay. Multitasking is simple with Picture-by-Picture and Picture-in-Picture modes. You can game, stream, or work on one massive screen. It’s perfect for gamers and professionals alike. The Samsung Odyssey Neo G9 57″ 240Hz Curved Gaming Monitor combines power, style, and precision. It’s the ultimate choice for next-generation gaming and performance. Specifications: Display : 57″ VA Curvature : 1000R Resolution : Dual UHD (7,680 x 2,160) Refresh Rate : 240Hz Response Rate : 1ms GTG
Looking for a top-notch monitor to enhance your computing experience? The MSI Pro MP275Q 27″ 100Hz Monitor is the perfect choice. This monitor offers superior performance and stunning visuals, making it ideal for both work and play. Firstly, the 27-inch screen provides ample space for multitasking. Whether you’re working on multiple documents or enjoying a movie, the large display ensures you have all the room you need. The Full HD resolution delivers sharp and clear images, enhancing every detail. The 100Hz refresh rate is a standout feature of this monitor. It provides smooth and fluid visuals, which is particularly beneficial for gaming and video playback. You won’t experience any stuttering or lag, ensuring a seamless viewing experience. Another advantage of the MSI Pro MP275Q is its wide color gamut. This feature ensures vibrant and accurate colors, making it perfect for tasks that require color precision, such as photo editing or graphic design. Your projects will look exactly as you intend them to. Moreover, the monitor includes advanced eye care technology. It reduces blue light emission and flicker, helping to minimize eye strain during long periods of use. This makes it an excellent choice for professionals who spend hours in front of their screens. Connectivity is also a breeze with the MSI Pro MP275Q. It features multiple input options, including HDMI and DisplayPort, allowing you to connect various devices effortlessly. This flexibility ensures compatibility with your existing setup. In conclusion, the MSI Pro MP275Q 27″ 100Hz Monitor offers a superior viewing experience with its large screen, high refresh rate, vibrant colors, and eye care technology. Upgrade your setup today and enjoy enhanced performance and stunning visuals. Specifications: Display : 27″ IPS Resolution : 2560 x 1440 (WQHD) Refresh Rate : 100Hz Response Rate : 1ms MRPT
The MSI MAG 274UPF E2 27″ 160Hz Gaming Monitor delivers an exceptional gaming experience. With a 4K UHD resolution, it offers stunning visuals and sharp details for immersive gameplay. The 160Hz refresh rate ensures smooth and fluid motion, making it perfect for fast-paced games. Equipped with a rapid 1ms response time, the MSI 274UPF E2 minimizes motion blur and ghosting. This feature provides a competitive edge in gaming, ensuring quick reactions and precise accuracy. Whether you’re playing FPS, racing, or RPG games, this monitor delivers outstanding performance. The monitor supports HDR technology, enhancing colors and contrast for a lifelike viewing experience. Dark areas become deeper, and bright areas become more vivid. This makes it ideal for both gaming and content creation. With IPS technology, the MSI MAG 274UPF E2 27″ 160Hz Gaming Monitor offers wide viewing angles and accurate colors. Whether you’re sitting directly in front or off to the side, the colors remain consistent and vibrant. Connectivity is easy with multiple ports, including HDMI, DisplayPort, and USB-C. You can connect your PC, gaming console, or other devices effortlessly. The ergonomic design allows you to adjust the height, tilt, and swivel for maximum comfort. The MSI 274UPF E2 also includes features like anti-flicker and low blue light technology. These features reduce eye strain, allowing for extended gaming sessions without discomfort. Upgrade your gaming setup today with the MSI MAG 274UPF E2 27″ 160Hz Gaming Monitor and enjoy next-level performance and visuals. Specifications: Display : 27″ Rapid IPS Resolution : 3840×2160 (UHD) Refresh Rate : 160Hz Response Rate :0.5ms
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
Samsung Odyssey G5 G50F QHD 180Hz Gaming Monitor delivers smooth gameplay and sharp visuals for competitive players. It features a 27-inch QHD display with high detail and clarity. As a result, games appear more immersive and realistic on screen. Moreover, the Fast IPS panel ensures consistent colors and wide viewing angles. It maintains clear visuals from different positions. In addition, HDR10 enhances brightness and contrast for deeper blacks and brighter highlights. Furthermore, the 180Hz refresh rate and 1ms response time reduce motion blur and lag. This allows faster reactions during intense gameplay. NVIDIA G-Sync compatibility and AMD FreeSync also help deliver smooth and stable frames. Finally, Samsung Odyssey G5 G50F QHD 180Hz Gaming Monitor includes gaming tools like Black Equalizer and Virtual Aim Point. These features improve visibility and accuracy. Therefore, players gain better control and performance in every match. Specifications: 27-inch QHD (2560×1440) resolution for sharp and detailed visuals Fast IPS panel with wide 178° viewing angles and consistent colors 180Hz refresh rate with 1ms response time for smooth gameplay HDR10 support for improved contrast and realistic image depth NVIDIA G-Sync Compatible and AMD FreeSync for reduced tearing and lag
Samsung Lebanon 32″ LS32C390EAMXUE The Samsung Lebanon 32″ Introducing the boldest curve ever This , born from years of and the future of monitor technology. Easy on the eyes In tol monitors that have less curve, 1000R fits the human field of view for less eye strain. A clinical study at Seoul National University Hospital shows that the closer to 1000R, the more it limits eye fatigue. Visionary Minimalism Next-generation design. The striking aesthetic is by a backside and premium-quality slim metal stand. The result is a monitor that won’t just catch eyes. but complements any interior, too. What Gamers Want Welcome to your new playground. AMD FreeSync delivers seamless gaming, while 75Hz makes scenes smooth. This flawless imagery comes together with Game Mode and the renowned 1000R curve for Focused Comfort Protect your eyes and do more. The T55’s advanced eye comfort technology reduces eye strain for more comfortable Flicker Free technology continuously removes tiring and irritating screen flicker, while Eye Saver Mode minimizes emitted blue light. Your eyes stay fresh longer. Ready to Entertain Connect to all your favorite devices with a convenient HDMI, DP, and D-Sub triple interface. The built-in 5 Watt speakers make it even easier lost in your favorite movies or TV shows, without plugging in a speaker. Easy on the eyes with 1000R curved screen Minimalist design with the borderless display, fabric-textured backside and slim metal stand Realistic immersion with the renowned 1000R curve and game-related features Running a monitor self-test is a simple and effective way to check the health and functionality of your computer monitor. The purpose of this test is to diagnose any potential issues with the monitor, such as dead pixels, color accuracy, contrast, or brightness problems. Power off both your computer and the monitor. 2Disconnect the signal cable from the back of the computer. 3Power on the monitor. Specifications: Specifications Screen Curvature1000R Active Display Size (HxV) (mm)698.4×392.85 Flat / CurvedCurved Screen Size (Class)32 3 year warranty Manufacturer Link
Laptop Charger for HP 90W 19.5V 4.62A (Blue Tip) Pavilion 17 15-E 17-E 14-E 15-AK Series Touchsmart Sleekbook M6-K M7-J 17-J M6 M7 709986-004 709986-002 753560-001 710413-001 PPP012D-S AC Adapter
Sklon Ski Boot Bag – Expandable 55–65 L backpack with waterproof fabric, separate boot space, and padded carry system.Ideal for skiing and snowboarding gear transport with hands-free comfort and smart compartment layout. Model: Sklon10 Ski Boot Bag Backpack Capacity: 55 L (expandable to 65 L via integrated zipper) Dimensions: Approx. 34.9 cm × 30.5 cm × 53.3 cm (13.75″ × 12″ × 21″) Weight: Around 1.9 kg Material: Water-resistant polyester and nylon soft-shell build Compartments: Dedicated boot section to isolate wet gear Helmet and goggle compartments Multiple internal and external zippered pockets Compartments: Dedicated boot section to isolate wet gear Helmet and goggle compartments Multiple internal and external zippered pockets External Features: Adjustable straps to carry skis or snowboard Compact foldable design for storage External Features: Adjustable straps to carry skis or snowboard Compact foldable design for storage Comfort: Ergonomic padded shoulder straps Cushioned back panel Top and side grab handles Comfort: Ergonomic padded shoulder straps Cushioned back panel Top and side grab handles Use Case: Designed for skiing, snowboarding, or as a multi-use travel pack
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
A1990 Logic Board i7-16GB-512GB-4GB Intel 2.6 GHz Six Core i7 (I7-9750H) 16 GB RAM 512 GB SSD AMD Radeon Pro 555X 4GB Intel UHD Graphics 630 Intel 2.6 GHz Six Core i7 (I7-9750H) 16 GB RAM 512 GB SSD AMD Radeon Pro 555X 4GB Intel UHD Graphics 630
Looking for a budget-friendly monitor that doesn’t compromise on quality? The Lenovo D19-10 18.5″ Monitor might be your perfect fit. Starting with its sleek design, this monitor seamlessly blends into any workspace. The 18.5″ display provides a crisp viewing experience without overwhelming your desk space. Transitioning to performance, the D19-10 ensures vibrant visuals with its high-definition resolution. Whether you’re working on spreadsheets or enjoying multimedia content, the clarity is impressive for its size. Connectivity is a breeze with multiple ports, including VGA and HDMI, offering versatility for various devices. Switch effortlessly between work and entertainment without the hassle of cable swapping. The monitor’s energy-efficient design not only reduces power consumption but also contributes to a greener environment. Enjoy a visually stunning display while being mindful of energy usage. Say goodbye to eye strain with the D19-10’s anti-glare technology. Whether you’re working long hours or binge-watching your favorite shows, the reduced glare enhances your viewing comfort. For those on a tight budget, the Lenovo D19-10 is a cost-effective choice. Its combination of sleek aesthetics, high-definition display, and user-friendly features makes it a standout in the affordable monitor category. In summary, the Lenovo D19-10 18.5″ Monitor offers a winning combination of affordability and performance. Upgrade your visual experience without breaking the bank—experience the brilliance today! Specifications: Display : 18.5″ Resolution : 1366×768 Refresh Rate : 60hz Response Time : 5ms
Material: Plastic + Mesh fabric Bluetooth version/chipset: 5.4/ATS2853 Transmission Distance: 12M Working voltage: 18.5V Impedance: 4Ω Speaker power: Tweeter: 50W * 2 Subwoofer: 200W Battery (mAh):30000mAH/18.5V*6000;18650/2000mA*15; 3 in series and 5 in parallel Charging time: about 3 hours Calling: 20 hours Music playback: 12 hours Standby time: 6 months 1.5.4 wireless, fast, stable, and efficient connection, excellent sound quality 2 . Sound Card/Karaoke/wireless speaker, all in one, built-in DSP, multiple EQ settings, support internal monitoring/recording/live streaming function, 433/360° omnidirectional remote control (can work through walls) 3. Efficient speakers and power amplifier for loud sound and high-fidelity music playback 4,30000mAh power bank (18.5V*6000mAh; 18650/2000mA*15; 3 in series and 5 in parallel), colorful lights available in various modes, controllable flashing lights CTN GW: 18.5kg ± 0.2kg Carton size: 50.5 * 44.2 * 39cm
2022 Original New 13" A2681 LCD Screen for MacBook Air M2 EMC 4074 A2681 LCD Screen Replacement 2022 Original New 13″ A2681 LCD Screen for MacBook Air M2 EMC 4074 A2681 LCD Screen Replacement Compatible Model: For MacBook Air 13″ M2 A2681 Screen Display Replacement 2022 Year (Silver) Item Condition: New; Screen Size: 13.6″; Resolution: 2560×1664; Color: Silver.(This is the display replacement accessory is not a laptop) Note: Please be careful to take the screen out of the box. This product should be very careful when installed, we are not responsible for the damage in the process of installation. Please confirm the model and color before buying, do not buy the wrong product. If you have any questions, please get in touch with us.
A1932 A2179 A1965 Battery for MacBook Air 13″ Retina (2018 2019, Early 2020) EMC 3184 3302 MRE82 MRE92 MVFH2 MWTJ2 MVH22 MVFM2 MVFK2 MREE2 MREC2 MREA2 MREF2 MUQT2 MUQU2 MacBookAir8,1 8,2 9,1 📄【Specification】Voltage: 11.4V. Capacity: 49.9Wh 4379mAh. Battery Type: Li-Polymer. Condition: Brand new, from high quality materials, top circuit boards and smart chip. 🔋【Replace Part Number】A1965 A1932(EMC 3184) A2179(EMC 3302) 3ICP4/63/119 MacBookAir8,1 MacBookAir8,2 MacBookAir9,1. 💻【Compatible Models】Only fit for MacBook Air 13″ (Model A1932 & Model A2179) Release 2018 2019 2020, fit for MRE82LL/A, MVFH2LL/A, MVFM2LL/A, MVFK2LL/A, MVFJ2LL/A, MVFN2LL/A, MVFL2LL/A, MREE2LL/A, MREC2LL/A, MREA2LL/A, MREF2LL/A, MRE92LL/A, MWTJ2LL/A, MVH22LL/A, MVH52LL/A, MVH42LL/A, MWTL2LL/A, MWTK2LL/A. Please kindly check the model number at the bottom of your laptop (A****). NOT FIT FOR MODEL A2337. 💻【ANTIEE Promise】Each products has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety. About 500 recharge cycles over the life.
