Replacement Audio Board with IPD Cable for MacBook Air M1 2020 (A2337). Compatible with part numbers 820-01929-A, 821-03452-A, 923-03672, 923-03663, and more. Ideal for fixing audio issues, headphone jack problems, or sound board failures. The Audio Board with IPD Cable for MacBook Air (M1, 2020) is a high-quality replacement spare part designed to restore proper sound functionality on MacBook Air A2337 models. If your MacBook is experiencing no sound output, headphone jack issues, distorted audio, or audio board failure, this replacement board provides a reliable solution. It includes the required IPD cable for proper installation and connection, making it ideal for professional repairs and technician use. Replacement Audio Board + IPD Cable for MacBook Air M1 Fixes audio issues such as no sound, headphone jack failure, or audio distortion Includes IPD cable for correct connection and repair High-quality build for stable and long-term performance Ideal for technicians, repair shops, and spare part replacement Compatible with multiple Apple part numbers for easy matching ✔ MacBook Air (M1, 2020) A2337 Compatible only with MacBook Air A2337 (M1, 2020). Please match your device model and part number before ordering to ensure correct fit.
The Dell OptiPlex 7050 Micro combines compact design and solid performance with an Intel Core i5 6th Gen processor, DDR4 RAM options, and SSD storage options. Ideal for business and home use, it delivers reliable speed, energy efficiency, and space-saving desktop performance.
The 85W MagSafe 2 Power Adapter features a magnetic DC connector so if someone should trip over it, the cord disconnects harmlessly and your MacBook Pro stays put safely. It also helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection. The 85W MagSafe 2 Power Adapter features a magnetic DC connector so if someone should trip over it, the cord disconnects harmlessly and your MacBook Pro stays put safely. It also helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection. When the connection is secure, an LED located at the head of the DC connector lights up; an amber light lets you know that your notebook is charging, while a green light tells you that you have a full charge. An AC cord is provided with the adapter for maximum cord length, while the AC wall adapter (also provided) gives you an even easier and more compact way to travel. Designed to be the perfect traveling companion, the adapter has a clever design which allows the DC cable to be wound neatly around itself for easy cable storage. Compatible with MacBook Pro with 13-inch Retina display. See this article for more details about choosing the right one. Knowing which specific Mac model you have is important. If you are running OS X Lion (10.7) or later go to the “” menu at the top left of your screen, choose “About this Mac” then click the “More Info…” button. Your Mac model and generation will be displayed. If you are running an earlier version of OS X, you can enter your serial number here to find out which model you have. COMPATIBILITY Mac Models: MacBook Pro (Retina, 13-inch, Late 2012 – 2015)
A modern pre-owned Dell Latitude 5420 with 14" display, 11th Gen Core i5, 8GB RAM, and 256GB SSD—delivering reliable performance, enterprise security, and all-day productivity in a compact business laptop.
lenovo battery L17M3PG1 L17C3PG1 L17M3PG1 Laptop Battery Compatible with Lenovo Legion Y530-15ICH Y7000 2019 1050 Y7000-2019-PG0 Y540-15IRH-PG0 Y540-17IRH-PG0 Y7000P Series Notebook L17M3PG3 11.34V 52.5Wh About this item 【Battery type】Li-ion. Voltage: 11.34V. Capacity: 52.5Wh 4630mAh . 【Replacement For Laptop】Lenovo Legion Y545-PG0 Legion Y530-15ICH Y7000 2019 1050 Y7000-2019-PG0 Y540-15IRH-PG0 Y540-17IRH-PG0 Y7000P Series. 【Compatible Part Number】L17L3PG1 5B10Q82428 L17C3PG1 5B10Q88561 L17M3PG3 5B10Q93417 L17M3PG1 L17M3PG2 5B10W67238 5B10Q80766 【Connector】Before placing your order, Please refer to the picture and check it. Because the products produced by different factories will have differences in size, cable length, interface, etc.
Compact, affordable all-in-one inkjet printer for home and small office use—print, scan, and copy in color with easy wireless setup, mobile printing, and HP’s efficient ink system.
Experience premium mobility and intuitive control with the pre-owned ThinkPad T490s. Featuring a powerful Intel Core i5 8th Gen processor, 16GB RAM, and a 256GB NVMe SSD, this ultra-slim professional laptop stands out with its responsive FHD Touchscreen for a more interactive and efficient workflow.
Genuine-spec touchpad flex cable for MacBook Pro 14″ (Model A2442, 2021, M1 Pro/Max)—essential for restoring full Force Touch functionality, haptic feedback, and precise multi-touch gesture control. Compatible With: MacBook Pro 14-inch (2021, Model A2442) with Apple M1 Pro or M1 Max chip (Model Identifiers: MacBookPro18,3 / MacBookPro18,4). Part Type: Touchpad flex cable only—does not include the trackpad, Taptic Engine, or mounting brackets. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Carries touch input, Force Touch pressure data, and haptic feedback signals—critical for macOS trackpad gestures, Force Click, and Taptic Engine responsiveness. OEM-Quality Build: Matches Apple’s original flex circuit in length, connector pitch, shielding, and bend geometry—ensures reliable signal transmission and durability under repeated use. Common Use Cases: Replacing a damaged, torn, or corroded original flex cable Completing a trackpad replacement when the original cable is unusable Fixing intermittent trackpad issues, unresponsiveness, or loss of Force Touch Replacing a damaged, torn, or corroded original flex cable Completing a trackpad replacement when the original cable is unusable Fixing intermittent trackpad issues, unresponsiveness, or loss of Force Touch Installation Note: Requires full bottom case removal and careful routing beneath internal components. Connectors use ZIF (Zero Insertion Force) sockets—must be seated properly without force. Recommended for certified or highly experienced technicians only.
OEM-quality trackpad replacement (without flex cable) for MacBook Pro 13″ (Models A2251 and A2289, 2020) in Silver finish—engineered for precise Force Touch response, smooth multi-touch gestures, and seamless integration with the original chassis. Compatible With: MacBook Pro 13″ (2020, Two Thunderbolt Ports) – Model A2251 (Intel Core i5/i7) MacBook Pro 13″ (2020, Four Thunderbolt Ports) – Model A2289 (Intel Core i5/i7) (Note: Both models share the same trackpad assembly despite port differences.) MacBook Pro 13″ (2020, Two Thunderbolt Ports) – Model A2251 (Intel Core i5/i7) MacBook Pro 13″ (2020, Four Thunderbolt Ports) – Model A2289 (Intel Core i5/i7) (Note: Both models share the same trackpad assembly despite port differences.) Part Type: Trackpad only—does not include the flex cable, Taptic Engine, or mounting hardware. Designed for technicians who will reuse the original internal components. Finish: Silver—matches the Silver MacBook Pro 13″ top and bottom case for perfect aesthetic continuity. Force Touch Support: Fully compatible with pressure-sensitive input and haptic feedback when paired with the original Taptic Engine and logic board—ensuring full macOS gesture functionality (e.g., Force Click, Lookup, Pressure-sensitive drawing). Precision Build: Features the same glass surface texture, curvature, and micro-click mechanism as Apple’s original—delivering consistent tracking accuracy and tactile feel. Installation Requirements: Requires full bottom case disassembly and careful transfer of the original flex cable and Taptic Engine. Adhesive must be applied precisely to maintain structural rigidity and sensor alignment. Recommended for certified or experienced repair technicians only.
Genuine-spec touchpad flex cable for MacBook Pro 13″ (Model A2338, 2020, Apple M1)—essential for restoring full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 13-inch (2020, Model A2338, Model Identifier MacBookPro17,1) with Apple M1 chip (2 Thunderbolt ports). Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Important Compatibility Notes: ✅ Only for A2338 (13″, M1, 2020) ❌ Not compatible with: Intel-based A2251 / A2289 (2020) MacBook Air M1 (A2337) Any MacBook Air or 14″/16″ MacBook Pro ✅ Only for A2338 (13″, M1, 2020) ❌ Not compatible with: Intel-based A2251 / A2289 (2020) MacBook Air M1 (A2337) Any MacBook Air or 14″/16″ MacBook Pro Intel-based A2251 / A2289 (2020) MacBook Air M1 (A2337) Any MacBook Air or 14″/16″ MacBook Pro
Arabic Language Ultra Thin Silicone Keyboard Cover for 2021 2020 MacBook Air 13 Inch A2179 and A2337 Apple M1 Chip (US Layout) with Touch ID Keyboard Accessories Protective Skin (Black) Color Black-Arabic Compatible Devices 2021 2020 MacBook Air 13.3-Inch with Apple M1 Chip (model: A2337), 2020 MacBook Air 13.3-Inch (model: A2179)2021 2020 MacBook Air 13.3-Inch with Apple M1 Chip (model: A2337), 2020 MacBook Air 13.3-Inch (model: A2179) Material Silicone Special Feature Waterproof, Dust Proof About this item [√] COMPATIBLE WITH: ONLY U.S keyboard layout–MacBook Air 13″ with Touch ID Early 2020 (model: A2179) and 2021 2020 MacBook Air 13″ with Apple M1 Chip (model: A2337). [√] MORE PROTECTION for KEYBOARD: waterproof, dust-proof and dirt-proof design can prevent liquid, dust, cigarette ash, biscuit crumbs falling onto your keyboard to affect your keyboard’s life. [√] ACCURATE KEYS: every key is specially molded, manufactured to the quality available. Flexible, this cover is easy to apply and remove for cleaning or disinfecting. [√] 0.25 MM THICKNESS: ultra thin silicone keyboard cover skin, made it easier for typing. Soft keyboard protector can weaken the sound in typing. About this item [√] COMPATIBLE WITH: ONLY U.S keyboard layout–MacBook Air 13″ with Touch ID Early 2020 (model: A2179) and 2021 2020 MacBook Air 13″ with Apple M1 Chip (model: A2337). [√] MORE PROTECTION for KEYBOARD: waterproof, dust-proof and dirt-proof design can prevent liquid, dust, cigarette ash, biscuit crumbs falling onto your keyboard to affect your keyboard’s life. [√] ACCURATE KEYS: every key is specially molded, manufactured to the quality available. Flexible, this cover is easy to apply and remove for cleaning or disinfecting. [√] 0.25 MM THICKNESS: ultra thin silicone keyboard cover skin, made it easier for typing. Soft keyboard protector can weaken the sound in typing.
128GB SSD Apple Macbook Pro Air 2013 2014 2015 A1502 A1398 A1466 A1465 | Samsung MZ-JPU512T/A06 | 655-1805D ORIGINAL APPLE PART (Apple sources their SSD’s for MacBooks from Samsung) A1502 – A1398 – A1465 – A1466 100% TESTED WORKING Please check compatibility below before you make your purchase: COMPATIBILITY: MacBook Pro Retina Late 2013 – Mid-2015 MacBookPro11,1 (A1502) – ME864LL/A, ME866LL/A, ME867LL/A, MGX72LL/A, MGX92LL/A, & MGXD2LL/A MacBookPro11,2 (A1398) – ME293LL/A & MGXA2LL/A MacBookPro11,3 (A1398) – ME294LL/A, ME874LL/A, MGXC2LL/A, & MGXG2LL/A MacBookPro11,4 (A1398) – MJLQ2LL/A MacBookPro11,5 (A1398) – MJLT2LL/A & MJLU2LL/A MacBookPro12,1 (A1502) – MF839LL/A, MF841LL/A, & MF843LL/A MacBook Air Mid-2013 – Late 2015 MacBookAir6,1 (A1465) – MD711LL/A, MD760LL/A, MD711LL/B, & MF067LL/A MacBookAir6,2 (A1466) – MD760LL/A, MD760LL/B, & MF068LL/A MacBookAir7,1 (A1465) – MJMVM2LL/A MacBookAir7,2 (A1466) – MJVE2LL/A Model Identifier: Samsung Manufacturer Part# MZ-JPU512T/A06
The NCTS HDMI 2.0 cable (3 meters) delivers high-speed and reliable audio/video transmission with support for 4K UHD resolution. Perfect for TVs, monitors, gaming consoles, and home theater systems, it provides a stable connection and clear visuals for everyday and entertainment use. The NCTS HDMI 2.0 Cable 3M is a dependable solution for connecting devices such as laptops, PCs, gaming consoles, and media players to TVs, monitors, and projectors. Supporting 4K UHD video, this cable ensures sharp image quality and smooth performance for movies, gaming, and presentations. Its 3-meter length offers flexible setup options, making it ideal for home, office, and entertainment environments. HDMI 2.0 Standard for high-quality video and audio Supports 4K UHD Resolution for sharp and detailed visuals High-Speed Performance for smooth playback and stable signal 3M Length perfect for flexible positioning and setups Compatible with TVs, Monitors, and Projectors Ideal for PS4 / Xbox / TV Boxes / PCs Durable Build Quality designed for long-term use Plug & Play no setup required Works with all HDMI-enabled devices, including TVs, monitors, projectors, PlayStation, Xbox, laptops, PCs, receivers, and streaming devices. Ideal for users who need a longer cable for home theater setups, gaming stations, or office installations.
Genuine-spec keyboard replacement for MacBook Pro 14" & 16" (2021–2025, M1 Pro/Max to M4 Pro/Max)—available in US QWERTY or UK QWERTY (with £ symbol). Features Apple’s Magic Keyboard with scissor-switch mechanism, full backlighting, and precise OEM fit. Genuine-spec keyboard replacement for MacBook Pro 14″ & 16″ (2021–2025, M1 Pro/Max to M4 Pro/Max)—available in US QWERTY or UK QWERTY (with £ symbol). Features Apple’s Magic Keyboard with scissor-switch mechanism, full backlighting, and precise OEM fit. US Layout: Wide Enter key @ above 2, # above 3 Standard inverted-T arrow keys Wide Enter key @ above 2, # above 3 Standard inverted-T arrow keys UK Layout: Tall vertical Enter key £ symbol on key 3 @ accessed via Right Alt + 2 Matches Apple’s official UK regional configuration Tall vertical Enter key £ symbol on key 3 @ accessed via Right Alt + 2 Matches Apple’s official UK regional configuration Keyboard Type: Apple Magic Keyboard with scissor-switch mechanism Backlighting: Full per-key white backlight with ambient light sensor support Function Row: Full-height physical function keys (F1–F12) with macOS shortcut toggling Build Quality: OEM-grade keycaps, consistent actuation force, and precise top-case alignment
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.
Genuine-spec touchpad flex cable for MacBook Pro 15″ (Model A1706 – 2017 and A1989 – 2018/2019)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 15″ (2017) – Model A1706 (Model Identifier: MacBookPro14,3) MacBook Pro 15″ (2018–2019) – Model A1989 (Model Identifier: MacBookPro15,2) ✅ Note: Apple used the same trackpad assembly and flex cable across both A1706 and A1989 15″ models—making this part interchangeable between them. MacBook Pro 15″ (2017) – Model A1706 (Model Identifier: MacBookPro14,3) MacBook Pro 15″ (2018–2019) – Model A1989 (Model Identifier: MacBookPro15,2) ✅ Note: Apple used the same trackpad assembly and flex cable across both A1706 and A1989 15″ models—making this part interchangeable between them. ✅ Note: Apple used the same trackpad assembly and flex cable across both A1706 and A1989 15″ models—making this part interchangeable between them. Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable connecting the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original in: Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only.
Genuine-spec touchpad flex cable for MacBook Pro 15″ (Model A1707, 2016–2017)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 15″ (2016) – Model A1707 (Model Identifier: MacBookPro13,2) MacBook Pro 15″ (2017) – Model A1707 (Model Identifier: MacBookPro14,2) MacBook Pro 15″ (2016) – Model A1707 (Model Identifier: MacBookPro13,2) MacBook Pro 15″ (2017) – Model A1707 (Model Identifier: MacBookPro14,2) Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only.
The Crucial DDR4 32GB laptop memory runs at 3200MHz to deliver faster performance and smoother multitasking. Designed for reliability and compatibility, it’s an ideal upgrade for laptops that need improved speed, responsiveness, and efficiency. The Crucial DDR4 32GB 3200MHz laptop RAM is built for users who want to significantly boost their system’s performance. Whether you’re multitasking, working with heavy applications, or simply looking for a smoother everyday experience, this memory upgrade helps your laptop run faster and more efficiently. 32GB DDR4 Capacity: Provides ample memory for demanding tasks, multitasking, and professional workloads. 3200MHz Speed: Enhances system responsiveness and reduces load times. Laptop Form Factor: Designed specifically for notebooks using DDR4 SODIMM slots. Low Power Consumption: Improves efficiency and helps extend battery life. Wide Compatibility: Tested to work with a wide range of laptop brands and models. Manufactured by Crucial, a trusted Micron brand, this DDR4 memory is built using high-quality components and tested to meet strict reliability standards for long-term performance. With easy installation and a noticeable performance boost, the Crucial DDR4 32GB 3200MHz laptop RAM is a smart and cost-effective upgrade that extends the life and capabilities of your laptop.
WiWU Infinite USB‑C to HDMI Adapter (HB004) – Sleek aluminum dongle offering 4K@60Hz output over USB‑C (DP Alt‑Mode), plug-and-play with no drivers needed.Compact, portable, and reliable—a must-have for mobile productivity, gaming, and media streaming. Model: WiWU Infinite USB‑C to HDMI Adapter (HB004) Video Output: HDMI 2.0, supports up to 4K @ 60 Hz resolution Material & Weight: Robust aluminum alloy body, compact, weighs ~69 g Compatibility: Plug-and-play connector works with USB‑C devices supporting DP Alt‑Mode—compatible with laptops, smartphones, tablets, consoles Design & Build: Slim, portable, durable—no driver/software required Use Cases: Ideal for mirroring/extending screens for presentations, streaming, gaming
Original Apple - 87W USB-C Power Adapter - White | MNF82LL/A | A1719 Original Apple – 87W USB-C Power Adapter – White | MNF82LL/A | A1719 The Apple 87W USB-C Power Adapter (Model A1719) is designed to provide fast and efficient charging for a variety of Apple devices. Key Features: High Power Output: Delivers up to 87 watts of power, suitable for charging larger devices like the 15-inch MacBook Pro. Versatile Charging: Supports multiple output voltages—20.2V at 4.3A, 9V at 3A, and 5.2V at 2.4A—allowing it to charge a range of USB-C–enabled devices. chargerlab.com Versatile Charging: Supports multiple output voltages—20.2V at 4.3A, 9V at 3A, and 5.2V at 2.4A—allowing it to charge a range of USB-C–enabled devices. Compact Design: Its sleek and portable build makes it convenient for use at home, in the office, or while traveling. Compatibility: While this adapter is compatible with any USB-C–enabled device, Apple recommends pairing it with the 15-inch MacBook Pro with Thunderbolt 3 (USB-C) ports for optimal charging performance.