A next-generation Wi-Fi 6 router delivering AX1500 speeds (1201 Mbps on 5GHz + 300 Mbps on 2.4GHz), 4 high-performance antennas, and Gigabit ports—ideal for 2–3 bedroom homes needing faster speeds, lower latency, and seamless connectivity for 100+ devices. The TP-Link Archer AX12 is a powerful Wi-Fi 6 (802.11ax) dual-band router engineered for modern connected homes. With a combined speed of AX1500—delivering up to 1201 Mbps on the 5GHz band and 300 Mbps on the 2.4GHz band—it provides significantly faster throughput, reduced latency, and improved capacity compared to older Wi-Fi standards. Powered by a 1 GHz dual-core processor and equipped with four fixed high-performance antennas, the Archer AX12 delivers strong, stable coverage throughout 2–3 bedroom homes, eliminating dead zones and buffering. Advanced beamforming technology focuses Wi-Fi signals directly toward connected devices for clearer, stronger connections—even at greater distances. OFDMA + MU-MIMO: Efficiently serves multiple devices simultaneously—perfect for households with smartphones, laptops, smart TVs, and IoT devices connected at once (supports 100+ devices). www.wifi-stock.com WPA3 Security: Next-generation encryption for stronger protection against unauthorized access and cyber threats. www.amazon.in Backward Compatibility: Works seamlessly with all existing Wi-Fi devices (802.11a/b/g/n/ac/ax). www.tp-link.com Wired connectivity includes one Gigabit WAN port and three Gigabit LAN ports for high-speed connections to desktops, game consoles, NAS devices, or smart TVs. Parental Controls: Set schedules, filter content, and manage screen time per device QoS (Quality of Service): Prioritize bandwidth for video calls, gaming, or streaming TP-Link Tether App: Easy setup and management from your smartphone
REMAX RT-E601 1200MAH TIME II SERIES EYE-CARING LED LAMP Function— Use the power key to turn on/ off the lamp. Tap the power key to adjust the brightness of the lamp (brightest-normal-dimmest-off) four steps are easy to use. When folding the design lamp holder and arm can rotate the angle within a range of 180 degrees up-down adjustment. Press and hold “Mode” Set” Up” Donkey enter normal time mode, alarm clock and snooze mode, birthday reminder mode timer mode, and temperature mode. Time changes 12 hours/24 hours mode and adjusting the hours, minutes, year, month,t,h, and day. Temperature can change to Celsius or Fahrenheit. The red light will be on when it starts charging, and the red light will go out when it is fully charged. Material—ABS+PC Rated voltage—DC5V /0.5A lighting Mode—Direct glow Key Type—Touch key Luminous flux—250m Color rendering index—>80 Rated power—4W Battery Capacity—1200mAh Weight—346g Charging port—Micro SIZE—87*87*263mmCharging time—4-4:30hour Working time—3:30hour
The Xiaomi TV A Pro 75 2026 delivers stunning picture quality with its 75″ QLED 4K display. It shows sharp detail in movies, games, and streams thanks to its 3840 × 2160 resolution. The large screen size makes everything feel cinematic and immersive. This transforms your living room into a real home theater. Moreover, the Xiaomi TV A Pro 75 2026 uses a QLED panel covering 94 % of the DCI-P3 color gamut and over 1.07 billion colors. Colors appear vivid, natural, and true to life. Dark scenes stay deep and blacks remain rich. This improves contrast and makes movies and shows look realistic. In addition, the TV supports HDR standards like HDR10+, HLG, and Filmmaker Mode. Highlights, shadows, and contrast all get boosted for better visual depth. Combined with the bright panel and QLED colors, this gives a richer viewing experience for films, nature documentaries, and gaming. Furthermore, Xiaomi TV A Pro 75 2026 includes smooth motion enhancement (MEMC) to reduce motion blur during sports, action movies, or fast-paced games. It also supports a “Game Boost” mode that can reach 120 Hz refresh (when using 1080p over HDMI), giving smoother action and better responsiveness in games. Also, the smart features add real convenience. The TV runs Google TV, giving you access to streaming apps, casting, and voice control. Built-in Chromecast, Google Assistant, and Bluetooth 5.0 make setup and use simple and flexible. This makes it easy to stream films, shows, or mirror your phone quickly. In addition, the Xiaomi TV A Pro 75 2026 features a slim, nearly bezel-less metal design that looks modern and clean. Whether mounted on a wall or placed on its stand, it blends smoothly in living rooms and home theaters. The build quality feels solid and premium. Overall, the Xiaomi TV A Pro 75 2026 blends size, color quality, smart features, and motion performance in one impressive package. It’s ideal for cinema-style entertainment, gaming, and everyday streaming. Specifications: Display Type QLED Resolution 4K, 3840 × 2160 Speaker 2 x 10W Dimensions including base (L × W × H) : 1668*391*1027mm Dimensions not including base (L × W × H) : 1668*76*959mm CPU Quad cortex A55 GPU Mali-G52 MC1 RAM 2GB ROM 8GB
Samsung Odyssey G7 G70F 180Hz Monitor delivers sharp visuals and flexible performance for competitive gaming. It features a 27-inch IPS display with 4K resolution. As a result, games look detailed and clear during every session. Moreover, the Dual Mode feature lets players switch between 4K at 180Hz and Full HD at 360Hz. This allows users to choose between high detail or ultra-fast speed. In addition, HDR10 and HDR10+ Gaming improve contrast and brightness for a more immersive view. Furthermore, the 1ms response time ensures fast and smooth motion during gameplay. NVIDIA G-Sync compatibility and AMD FreeSync Premium reduce tearing and stutter. Therefore, gameplay remains stable and responsive even in intense moments. Finally, Samsung Odyssey G7 G70F 180Hz Monitor includes gaming tools like Black Equalizer and Virtual Aim Point. The ergonomic stand supports tilt, swivel, and pivot adjustments. As a result, players can enjoy comfort and control in every setup. Specifications: 27-inch 4K (3840×2160) IPS display with sharp detail and wide viewing angles Dual Mode supports 4K 180Hz or Full HD 360Hz for flexible gaming 1ms response time for fast and smooth gameplay performance HDR10 and HDR10+ Gaming for improved brightness and contrast NVIDIA G-Sync Compatible and AMD FreeSync Premium for tear-free gaming
The Samsung 75″ QLED 4K Smart TV QA75Q7FAAUXTW delivers a premium viewing experience with advanced QLED display technology. It produces bright, sharp, and colorful images, so movies, sports, and games look detailed and immersive on the large 75-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 performance. 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 75 QLED 4K Smart TV QA75Q7FAAUXTW 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 75-inch 4K display provides immersive viewing experience 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
The MSI G27C3F 27″ is a curved gaming monitor designed to give you smooth and immersive gameplay. It features a 27-inch curved screen that pulls you into the action. With a 165Hz refresh rate, the MSI G27C3F delivers fast and fluid visuals. Moreover, the 1ms response time ensures every movement looks sharp without any motion blur. This makes the MSI G27C3F perfect for fast-paced games. In addition, it uses VA panel technology for deeper blacks and vivid colors. Thanks to its Full HD resolution, games and videos appear clear and detailed. Plus, the MSI G27C3F includes anti-flicker and blue light reduction features. These help reduce eye strain during long gaming or work sessions. Setting up the MSI G27C3F 27″ is quick and simple with its user-friendly design. It also supports tilt adjustment for better viewing comfort. Furthermore, the monitor’s sleek and modern look fits perfectly into any gaming setup. For competitive gamers, the MSI G27C3F offers a real edge with its smooth performance and sharp visuals. Also, it supports AMD FreeSync technology to prevent screen tearing. This keeps your gameplay clean and uninterrupted. Besides gaming, the MSI G27C3F is great for movies, streaming, and everyday use. You can also connect it easily to your PC, laptop, or console. Its ports offer flexible options for all your needs. In short, the MSI G27C3F 27″ is a smart pick for anyone who wants a fast, stylish, and reliable gaming monitor. Choose the MSI G27C3F for better speed, clarity, and comfort in every session. Specifications: Display : 27″ Resolution : 1920 x 1080 FHD Refresh Rate : 180Hz Response Time : 1ms GTG
Lenovo ThinkVision T32h-20 61F1GAT2EU The Lenovo ThinkVision T32h-20 .Do more than just optimize your productivity . with the ThinkVision T32h-20 monitor. An enhanced view of and easy navigation. through documents, spreadsheets, or designs on this sleek display that complements your modern workspace. Its vast 31.5-inch screen with QHD resolution delivers more screen real estate with higher clarity than FHD, making data-intensive work, number crunching, and content editing a breeze. The one-cable solution USB Type-C, HDMI, and DP ports provide multiple interface options. Integrated with Smart Power, the USB Type-C also doubles up. as a charger for dynamic consumption and intelligent power management. Top Features 31.5″QHD (2560 x 1440) 3-side Near-edgeless display USB Type-C one cable solution HDMI, DP ports with USB hub Ergonomic and space-saving design & UE Specifications Brightness 350 cd/m2 Contrast ratio 1000:1 Connection type 1 x USB Type-C Gen1 (DP1.2 Alt Mode)4 x USB 3.1 Gen1 ports (Downstream, incl. 1 x BC) Panel type In-Plane Switching Display stand Lift, Tilt, Pivot, Swivel EU energy class E Power requirement AC 100 to 240 V (50-60 Hz) Brand ThinkVision Anti-reflex Yes Color calibration accuracy Yes Color coverage 99% sRGB Color depth 10-bit Color support 1.07 Billion Measure without packaging 235.0 x 469.4 x 714.6 mm, 9.25 x 18.48 x 28.13 inches Gentle on the eyes Yes Screen dimensions (without foot) 714.6 x 426.0 x 51.0 mm, 28.13 x 16.77 x 2.01 inches Height adjustable Yes Kensington lock Yes Almost borderless Yes Sound bar support (optional) Yes Power consumption 28 W Typ. 138 W Max. TCO Edge 2.0 Display weight (without foot) 6.78 kg, 14.95 lbs. Weight with packaging 12.96 kg, 28.57 lbs. Weight without packaging 9.85 kg, 21.72 lbs. Description The Lenovo ThinkVision T32h-20’s large display can be used to open and work on several documents at once Its near bezel-less design fits into any modern workplace. Integrated USB Type-C dock with charging function up to 75 W (1 x USB 3.1 Type-C upstream. 4 x USB 3.1 Type-A downstream) – Smart Power for energy – TÜV Rheinland Eye Comfort Specifications: Specifications Product name Lenovo ThinkVision T32h-20 Monitor Product type Desktop monitor Display Display size 81.3 cm (32.0″) Physical resolution 2.560 x 1.440 WQHD Aspect ratio 16:9 Contrast 1000:1 Brightness 350 cd/m² Panel technology IPS Viewing angle (horizontal / vertical) 178° / 178° Response time 6 ms Display surface Matt Backlight White LED 1 year warranty
New CM03XL CM03 Laptop Battery for HP Elitebook 740 G2, 745 G2, 750 G2, 755 G2, 840 G1, 840 G2, 845 G2, 850 G1, 850 G2, 855 G2, Zbook 14 G2 About this item 6-cell, Li-ion battery, rated at 4000mAh / 44Wh and 11.1v Replacement HP 717376-001, CM03050XL-PL, E7U24UT, E7U24AA, CM03XL, CM03, 716724-421 Fits HP Elitebook 740 G2, 745 G2, 750 G2, 755 G2, 850 G2, 755 G2. HP EliteBook Folio 9480m. HP Zbook 14. HP Elitebook 850 G1, 1040 G1 Note: As this replacement battery can fit many models and part numbers, the factory can not mark all the compatible part numbers on it, please understand. If you have any problems, please contact us by message, and we will help you deal with them promptly.
WIWU GENIUS COMBO SET BAG WITH MOUSE AND MOUSE PAD FOR 14" LAPTOP/ULTRABOOK - BLACK WIWU GENIUS COMBO SET BAG WITH MOUSE AND MOUSE PAD FOR 14″ LAPTOP/ULTRABOOK – BLACK Details: Material: plaid polyester + metal Mouse: single mode 2.4G Product weight: 14 inch / 465g Product size: 14 inches: 35*25*2cm Handbag+mouse+mouse pad Front layer multi-pocket design Better help classify items Waterproof fabric
The ASUS ROG Strix XG27ACS-W 27 inch QHD 180Hz 1ms Fast IPS Gaming Monitor is a 27-inch gaming display designed for smooth performance and sharp image quality. It uses a Fast IPS panel that delivers wide viewing angles and accurate colors for gaming and everyday use. It features a QHD (2560×1440) resolution, which provides more detail and screen space compared to Full HD. Therefore, it improves visibility in games and productivity tasks. The ASUS ROG Strix XG27ACS-W 27 inch QHD 180Hz 1ms Fast IPS Gaming 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 supports adaptive sync technology, which helps reduce screen tearing and stuttering when paired with compatible graphics cards. As a result, gameplay feels smoother and more stable. Moreover, it includes HDR support for improved contrast and brightness in compatible content. The monitor also provides gaming display modes and on-screen settings for quick adjustments. The white design gives it a clean and modern appearance suitable for light or themed setups. Overall, the ASUS ROG Strix XG27ACS-W 27 inch QHD 180Hz 1ms Fast IPS Gaming Monitor is built for responsive gaming, clear visuals, and a premium white aesthetic. Specifications: 27-inch QHD (2560×1440) display 180Hz refresh rate 1ms response time Fast IPS panel White premium design
HP M24fwa Monitor Overview The HP M24fwa is a 24-inch Full HD monitor designed for modern workspaces. It combines a slim design with clear visuals. As a result, it suits offices, home use, and study setups. 24-Inch Full HD Display This monitor features a 24-inch Full HD resolution. Therefore, text appears sharp and easy to read. Moreover, images look clear and vibrant. Because of this, it supports long working and browsing sessions. In addition, wide viewing angles keep content visible from different positions. As a result, collaboration becomes easier. Smooth and Comfortable Viewing The HP M24fwa delivers smooth performance for daily tasks. As a result, scrolling and multitasking feel natural. Furthermore, the display maintains balanced brightness. This improves overall viewing comfort. Eye Comfort and Anti-Glare Protection This monitor includes eye comfort features. Therefore, it helps reduce eye strain during extended use. In addition, the anti-glare screen limits reflections. As a result, the display stays clear in bright rooms. Connectivity and Easy Setup The HP M24fwa includes HDMI connectivity. As a result, it connects easily to laptops and desktops. Moreover, setup remains quick and simple. Therefore, users can start working immediately. Slim Design and Mounting Support The monitor features a slim and modern design. In addition, it supports VESA mounting. As a result, users can save desk space and create flexible setups. Ideal for Daily Use This monitor focuses on clarity and reliability. Moreover, it suits office work, studying, and media viewing. In conclusion, it offers a practical and stylish display solution. Specifications: Display: 23.8-inch IPS panel with 178-degree ultra-wide viewing angles. Resolution: FHD (1920 X 1080) at 75Hz refresh rate. Visual Quality: 300 nits brightness, 1000:1 contrast ratio, and 99% sRGB color gamut for accurate, vibrant, and consistent colors. Gaming/Performance: AMD Free Sync technology reduces screen tearing and stuttering
The MSI MAG 256F 24.5″ 180Hz Gaming Monitor is crafted for serious gamers. With a fast 24.5-inch Full HD display, this monitor delivers exceptional clarity and performance. Its 180Hz refresh rate and 1ms response time ensure smooth, blur-free visuals, making it perfect for fast-paced games. Gamers will appreciate the 180Hz refresh rate of this monitor. It minimizes screen tearing and ghosting, providing a seamless experience in every frame. This high refresh rate, combined with a 1ms response time, means you’ll experience gaming with precision and speed. The Full HD resolution ensures sharp, clear images, bringing your games to life. This monitor also supports Adaptive Sync technology. It helps synchronize the monitor’s refresh rate with your graphics card, reducing stuttering and screen tearing. This feature is especially valuable for competitive gaming, where every millisecond counts. The design of the MSI MAG 256F 24.5″ 180Hz Gaming Monitor is sleek and gamer-friendly. It has a frameless design that maximizes screen space, allowing for immersive gaming. Its adjustable stand lets you customize the height and tilt for comfortable viewing angles, reducing neck strain during extended gaming sessions. This monitor also features multiple connectivity options, including HDMI and DisplayPort. This makes it easy to connect your gaming console or PC, giving you flexibility with your setup. Its easy navigation OSD (on-screen display) allows you to make quick adjustments to the settings. Upgrade your gaming experience with the MSI MAG 256F 24.5″ 180Hz Gaming Monitor. Enjoy fluid, responsive gameplay and impressive visuals with this reliable and stylish monitor. Specifications: Display : 24.5″ Rapid IPS Resolution : FHD (1920 x 1080) Refresh Rate : 180Hz Response Rate : 1ms GTG
A well-equipped pre-owned Dell Latitude 5410 with 14" display, 10th Gen Core i5, 16GB RAM, and 512GB SSD—delivering strong performance, security, and portability for business and professional use.
Features Stylish and compact Bluetooth speaker, easy to carry. Supports wireless connectivity via Bluetooth. True Wireless Stereo (TWS): Connect two speakers simultaneously. Durable ABS plastic material with a fabric-covered front panel. Built-in microphone for hands-free calls. LED indicator to display working status. Water-resistant with an IPX7 rating. Continuous playback for 8-12 hours (depending on volume). 5-watt speaker delivering Hi-Fi audio quality. On-speaker controls for music playback and volume adjustment. Built-in battery with Type-C charging port for easy recharging. Technical Specifications Bluetooth Version: V5.4 Transmission Distance: 10 meters Rated Power: 5W Driver Unit: 40mm Input: DC5V Battery Capacity: 1200mAh Charging Time: 2 hours Playback Time: 8-12 hours (depending on volume)
Apple USB-C to Lightning Cable (1m) - With Apple Warranty Apple USB-C to Lightning Cable (1m) – With Apple Warranty Connect your iPhone, iPad or iPod with Lightning connector to your USB-C– or Thunderbolt 3 (USB-C)–enabled Mac for syncing and charging, or to your USB-C–enabled iPad for charging. You can also use this cable with your Apple 18W, 20W, 29W, 30W, 61W, 87W or 96W USB‑C Power Adapter to charge your iOS device and even take advantage of the fast-charging feature on selected iPhone and iPad models.
Looking to upgrade your gaming setup? The Asus TUF VG279Q1A Gaming Monitor is the perfect solution for an enhanced gaming experience without breaking the bank. First and foremost, indulge in the impressive display quality this monitor offers. With vivid colors and sharp contrasts, your games come to life, providing an immersive and captivating visual feast. The ultra-fast refresh rate ensures smooth and fluid motion, eliminating lag and enhancing your responsiveness during intense gaming sessions. Say goodbye to screen tearing and hello to a competitive edge. Transition seamlessly between tasks with the user-friendly interface. The intuitive controls make adjusting settings a breeze, allowing you to personalize your gaming environment effortlessly. Furthermore connectivity is key, and the Asus TUF VG279Q1A Gaming Monitor delivers. Multiple ports cater to your gaming peripherals, ensuring compatibility with various devices for a versatile gaming setup. Experience comfort during extended gaming sessions with adjustable features. Tilt, swivel, and height adjustments guarantee an ergonomic setup, reducing strain and enhancing your focus on the game. With eye-care technology, this monitor prioritizes your well-being by reducing eye strain and fatigue. Game for hours without compromising on comfort or visual quality. In conclusion, the Asus TUF VG279Q1A Gaming Monitor is a budget-friendly solution that doesn’t compromise on performance. Elevate your gaming setup with its impressive features and enjoy a new level of gaming immersion. Upgrade today! Specifications: Display : 27″ FHD (1920×1080), IPS Refresh Rate : 165Hz Response time : 1ms Part Number : 90LM05X0-B05170
The Lenovo G34W-30 34″ Monitor delivers immersive visuals and smooth performance for gaming, streaming, and multimedia.It features a 34-inch WQHD curved display that shows sharp details and vibrant colors. Moreover, its high refresh rate ensures fluid motion during fast-paced games. This monitor uses a VA panel for strong contrast and wide viewing angles. Additionally, the fast response time reduces blur and ghosting for competitive gaming. The curved design and anti-glare screen enhance immersion and reduce reflections in bright environments. HDMI and DisplayPort inputs allow easy connection to PCs, laptops, and gaming consoles. Furthermore, tilt adjustment lets you find a comfortable viewing angle during long sessions. Low blue light and flicker-free technologies help reduce eye strain over extended use. This display is ideal for gamers, streamers, and home users. Therefore, it supports competitive gaming, media streaming, and productivity tasks. Finally, it combines immersive visuals, fast performance, and comfort features for daily use. Specifications: Screen Size: 34″ WQHD curved VA panel Resolution: 3440 × 1440 Refresh Rate: High for smooth motion Ports: HDMI + DisplayPort Features: Anti-glare, low blue light, flicker-free eye care
DELL 7.6V 68Wh/8500mAh 4-Cell GJKNX Laptop Battery Compatible with Dell Latitude E5480 E5580 E5490 E5491 E5590 E5591 Precision 15 3520 M3530 Series Notebook 93FTF GD1JP DY9NT 5YHR4 451-BBZG About this item Dell Authentic OEM Parts. Item Model: GJKNX, Battery Type: Li-Polymer, Voltage: 7.6V, Capacity: 68Wh, Cell: 4 cell. Before purchasing, please open the back cover of the laptop to confirm the battery model and shape. Compatible Battery P/N: 68Wh GJKNX GD1JP 0GD1JP DY9NT 0DY9NT 5YHR4 451-BBZG FPT1C KCM82 MT31P. Compatible Laptop Models: for Dell Latitude 5280 5288 5290 5480 5488 5490 5580 5590 5495 5491 5591 5590 E5480 E5580 E5490 E5590 P72G001 P72G002 P72G003 P60F001 series, For Dell Precision 15 3520 3530 Series ( Only work with type 68Wh battery)
Asus VG248QG Gaming Monitor -24″ 24” Full HD gaming monitor with an ultra-fast 165Hz(overclockable) refresh rate and Adaptive-Sync technology to eliminate screen tearing and choppy frame rates Certified as G-SYNC Compatible, FreeSync Premium technology delivering a seamless, tear-free gaming experience by enabling VRR (variable refresh rate) by default. 0.5ms* response time for smooth gameplay, and ASUS Extreme Low Motion Blur (ELMB) Technology to further reduce ghosting and motion blur ASUS-exclusive GamePlus hotkey for in-game enhancements while GameVisual for optimized visuals TUV Rheinland Certification for Flicker-free and Low Blue Light technology to ensure a comfortable viewing experience Supports both Adaptive-Sync with NVIDIA GeForce* graphics cards and FreeSync with AMD Radeon graphics cards *Compatible with NVIDIA GeForce GTX 10 series, GTX 16 series, RTX 20 series and newer graphics cards
PCE 1500 M8 1500VA 600W PCE UPS SYSTEM M8-1500 1500VA 600W Input Voltage: 220/230/240 VAC, 1Ø2Wires Input Frequency: 50 or 60 Hz +/-10% (auto sensing) Power: 600W Output voltage: 220/230/240VAC+/-1% Output Frequency: 50 or 60 Hz +/-1% Full Protection: Overload, discharge, and overcharge protection PCE UPS SYSTEM M8-1500 1500VA 600W Input Voltage: 220/230/240 VAC, 1Ø2Wires Input Frequency: 50 or 60 Hz +/-10% (auto sensing) Power: 600W Output voltage: 220/230/240VAC+/-1% Output Frequency: 50 or 60 Hz +/-1% Full Protection: Overload, discharge, and overcharge protection