Genuine-spec US layout keyboard replacement for MacBook Pro (Model A1398, Late 2011–Mid 2012)—featuring durable scissor-switch keys, backlighting, and OEM-fit design for reliable typing and straightforward installation. Compatible With: MacBook Pro 13″: Late 2011 (Model A1278, but labeled A1398 in some regions) – Model Identifier MacBookPro8,1 MacBook Pro 15″: Early 2011, Late 2011, and Mid 2012 – Model Identifiers MacBookPro8,2 (15″ early/late 2011) and MacBookPro9,1 (15″ mid 2012) *(Note: “A1398” is primarily associated with the 15″ unibody MacBook Pro with Retina display (Mid 2012), which was the first Retina MacBook Pro.)* This keyboard fits the non-Retina 15″ A1398 (Mid 2012) and compatible Late 2011 models. MacBook Pro 13″: Late 2011 (Model A1278, but labeled A1398 in some regions) – Model Identifier MacBookPro8,1 MacBook Pro 15″: Early 2011, Late 2011, and Mid 2012 – Model Identifiers MacBookPro8,2 (15″ early/late 2011) and MacBookPro9,1 (15″ mid 2012) *(Note: “A1398” is primarily associated with the 15″ unibody MacBook Pro with Retina display (Mid 2012), which was the first Retina MacBook Pro.)* This keyboard fits the non-Retina 15″ A1398 (Mid 2012) and compatible Late 2011 models. Layout: Standard US English (QWERTY) with full-size keys, inverted-T arrow keys, and dedicated function row (F1–F12). Keyboard Type: Traditional scissor-switch mechanism—robust, tactile, and serviceable (pre-Butterfly era). Integrated Features: Backlit keys (adjustable brightness via F5/F6) OEM ribbon cable with ZIF connector Matches original key spacing and actuation force Backlit keys (adjustable brightness via F5/F6) OEM ribbon cable with ZIF connector Matches original key spacing and actuation force Build & Fit: Precision-molded plastic frame with exact screw mounts and alignment pegs—ensures secure, rattle-free installation in the top case. Installation Note: Keyboard is secured with screws and minimal adhesive. Requires full top case access and battery disconnect. Recommended for intermediate to advanced users or technicians.
Upgrade your workspace with a massive 27-inch Full HD canvas. Combining a high-speed 100Hz refresh rate with a stunning frameless IPS display, the B27M1 delivers an expansive, fluid viewing experience for professionals and creators alike. Model: Buerotika B27M1 Primary Specs: 27-inch Wide-Screen Display Display/Performance: IPS (In-Plane Switching) for 178° ultra-wide viewing angles Visual/Build Quality: 1920 x 1080 (Full HD) with vibrant color reproduction Aesthetic: 3-sided frameless “infinity” design for a sleek, modern desk setup Build: Lightweight, ultra-slim chassis with a space-saving minimalist stand Adjustability: Ergonomic tilt adjustment to match your eye level Input/Output: HDMI (High-Speed) and VGA ports Compatibility: Fully compatible with desktop PCs, laptops, and gaming consoles Smooth Motion: 100Hz Refresh Rate – 66% faster than standard monitors for reduced motion blur and lag. Eye Care: Integrated Flicker-Free technology and Low Blue Light filters for comfortable all-day use. Panel Quality: IPS technology ensures colors stay accurate even when viewed from the side. Enhanced Productivity: Large 27-inch screen allows for comfortable side-by-side window multitasking. Home Entertainment: Great for streaming and movies where a larger screen provides more impact. Education & Research: Easy-to-read text and large display area for students and writers. Casual Gaming: The 100Hz boost provides a competitive edge in smoothness over 60Hz displays.
Arabic Language Silicone Keyboard Cover Skin for MacBook Air 13" Macbook Pro with / without Retina Display 13"15" 17" MC184LL/B, NOT COMPATIBLE WITH NEW MacBook Air 13” A1932 (Black) Arabic Language Silicone Keyboard Cover Skin for MacBook Air 13″ Macbook Pro with / without Retina Display 13″15″ 17″ MC184LL/B, NOT COMPATIBLE WITH NEW MacBook Air 13” A1932 (Black) About this item Only compatible with MacBook Air 13″ (Model: A1369 & A1466) , MacBook Pro 13-Inch with DVD Drive (Model: A1278), Pro 13 inch with Retina Display (Model: A1425 & A1502), Pro 15 inch with DVD Drive (Model: A1286), Pro 15 inch with Retina Display (Model: A1398), Pro 17 inch (Model: A1297) and Apple Wireless Bluetooth Keyboard MC184LL/B (A1314). NOT COMPATIBLE WITH NEWEST MacBook Air 13″ 2018 (Model: A1932) Fit for American Version( “Enter” key is a rectangle), DO NOT FIT FOR Europe Version (“Enter” key looks like “7”) Extra slim silicone skin, made it easier for typing. Soft silicone can ELIMINATE THE SOUND when typing FLEXIBLE, WASHABLE, easy to apply and remove for cleaning or disinfecting. Manufactured to the highest quality available, Ultra thin design lets you open and close your computer without any affection
A1417 Battery Only for (Mid 2012 & Early 2013) A1398 MacBook Pro - Replacement Battery for A1398 MacBook Pro 15-inch Retina (Mid 2012, Early 2013 Version) - EMC 2512 or 2673 A1417 Battery Only for (Mid 2012 & Early 2013) A1398 MacBook Pro – Replacement Battery for A1398 MacBook Pro 15-inch Retina (Mid 2012, Early 2013 Version) – EMC 2512 or 2673 [11.26V/99Wh] A1417 A1398 Battery — Health:100%+, Voltage: 11.26V, Capacity: 99Wh(Please confirm the release year before purchase the battery) Suit for 15 inch A1398 MacBook Pro Battery Retina Mid 2012 Early 2013 (EMC 2512 or 2673) >[See more details on the Product Description] Brand new battery-> Directly warranty from Manufacturer, perform as good as the original battery. A1398 Macbook Pro 15 inch battery replacement come with adapted screwdriver. Multi-command chip control-> Contain with Durable A cells,Multi-command chip control makes the battery supply power stably.
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.
NCTS USB Barcode Scanner – High-speed wired scanner for both 1D and 2D barcodes with auto-sensing mode.Plug-and-play solution ideal for retail, inventory, and logistics operations. Model: NCTS 1D/2D Barcode Scanner (USB Wired) Color: Black Scan Type: Image-based CMOS scanner Supported Barcode Types: 1D: Code 128, Code 39, EAN-13, UPC-A, Codabar, ISBN, etc. 2D: QR Code, PDF417, Data Matrix, Aztec, etc. Supported Barcode Types: 1D: Code 128, Code 39, EAN-13, UPC-A, Codabar, ISBN, etc. 2D: QR Code, PDF417, Data Matrix, Aztec, etc. Interface: USB 2.0 (Plug-and-play, no driver required) Scan Speed: Up to 300 scans/second Resolution: ≥ 4mil (0.1mm) Scan Modes: Manual trigger Auto-sensing Continuous mode Scan Modes: Manual trigger Auto-sensing Continuous mode Light Source: White LED illumination + red aiming line Indicators: LED and buzzer for scan confirmation Power Supply: DC 5V (via USB port) Cable Length: ~1.5 meters Build: ABS plastic, ergonomic handheld design Compatibility: Windows, macOS, Linux, Android Applications: POS, inventory, logistics, healthcare, warehouse use
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
Speaker Specifications Feature Value Feature Value Input/Output USB Battery Capacity (mAh) 2000 Maximum Wireless Range (m) 10m-20m Touch Screen No Sound Mode Immersive, Stereo, Live, Standard Category Speakers Use HOME Bluetooth Version 5.1 Input Power (W) 50-99W Voice Control No Frequency Range 100Hz-20KHz Display Screen No Waterproof Yes Support APP No Support Memory Card Yes Playback Function Radio, MP3 Remote Control No Intelligent Personal Assistant None Display Screen No Audio Crossover Full-Range Number of Loudspeaker Enclosures 2 Power Source Battery Channels 1 Speaker Type Portable Communication USB Cabinet Material Plastic Brand Name HONOURSACY Origin Mainland China Function HiFi Sound Quality Function2 IPX6 Waterproof Function3 Support TWS Interconnection Function4 Portable Design Function5 80W High Power Function6 Long Endurance
About this item 📱 Versatile Connectivity: Connect effortlessly with Bluetooth 4.2 to your smartphones, iPads, and computers. Also supports U disk, TF card (up to 32G), AUX input, and FM radio for versatile playback options. 📲 🔊 Powerful Sound with Heavy Bass: Enjoy rich, high-volume stereo sound with a powerful 20W output and a built-in heavy subwoofer, delivering an immersive audio experience for your home. 🎶 📻 Built-in FM Radio: Stay tuned to your favorite stations with the built-in FM radio feature, ensuring you never miss out on the latest news, music, and more. 📡 📞 Hands-Free Calling: Equipped with a clear call feature, this speaker allows you to answer phone calls directly through the speaker without lifting your phone. Perfect for multitasking! 🗣️ 📞 Hands-Free Calling: Equipped with a clear call feature, this speaker allows you to answer phone calls directly through the speaker without lifting your phone. Perfect for multitasking! 🗣️
MacBook Pro 13″ Retina A1989 / A2159 (2018-2019) Display Assembly (Silver) MacBook Pro 13″ Touch Bar 2019z A1989 (EMC 3214 MacBookPro15,2) 2.3 GHz A1989 (EMC 3214 MacBookPro15,2) 2.7 GHz MacBook Pro 13″ Touch Bar 2019 A1989 (EMC 3358 MacBookPro15,2) 2.4 GHz A1989 (EMC 3358 MacBookPro15,2) 2.8 Ghz MacBook Pro 13″ Two Thunderbolt Ports 2019 A2159 (EMC 3301 MacBookPro15,4) 1.4 GHz A2159 (EMC 3301 MacBookPro15,4) 1.7 GHz
HP 135W Multifunction Laser Print Speed: Fast and efficient printing with 20ppm. Printing Technology: Utilizes laser printing technology for precise and professional-quality documents. Multifunction Capability: All-in-one functionality for printing, scanning, and copying needs. Connectivity Options: Offers both wired and wireless connectivity options for versatile use. Compact Design: Space-saving design ideal for home offices and small workspaces. User-Friendly Interface: Easy-to-use interface for seamless operation. Energy Efficiency: Designed with energy-saving features to promote sustainability. Ideal for Home and Small Offices: Tailored for users seeking a compact and capable solution for their printing needs. Click for more info
Gaming-optimized in-ear headphones in bold red, featuring a built-in microphone, tangle-free flat cable, and signature HyperX comfort—designed for mobile gaming, console use, and on-the-go communication. Model: HyperX Cloud Earbuds (Red Edition) Color: Vibrant Red earbuds with matching red cable accents Type: In-ear headphones with integrated microphone Designed For: Mobile gaming (iOS/Android), Nintendo Switch, PC, and everyday use Key Features: Built-in Microphone: Clear voice pickup for in-game chat, calls, and voice commands Tangle-Free Flat Cable: Durable, lightweight, and resistant to knots Ergonomic Fit: Includes 3 sizes of silicone ear tips (S/M/L) for secure, comfortable wear Universal 3.5mm Jack: Compatible with any device with a standard headphone/mic combo port Works with Nintendo Switch, PC, smartphones, tablets, and more Gaming-Grade Audio: Tuned for immersive sound with enhanced bass and vocal clarity In-Line Controls: Convenient mic mute and call answer/end button Built-in Microphone: Clear voice pickup for in-game chat, calls, and voice commands Tangle-Free Flat Cable: Durable, lightweight, and resistant to knots Ergonomic Fit: Includes 3 sizes of silicone ear tips (S/M/L) for secure, comfortable wear Universal 3.5mm Jack: Compatible with any device with a standard headphone/mic combo port Works with Nintendo Switch, PC, smartphones, tablets, and more Works with Nintendo Switch, PC, smartphones, tablets, and more Gaming-Grade Audio: Tuned for immersive sound with enhanced bass and vocal clarity In-Line Controls: Convenient mic mute and call answer/end button Technical Specifications: Driver Size: 14.2 mm Frequency Response: 20 Hz – 20 kHz Impedance: 60 Ω Sensitivity: 100 dB Cable Length: 1.2 m (3.9 ft) Connector: 3.5mm 4-pole (CTIA standard) Driver Size: 14.2 mm Frequency Response: 20 Hz – 20 kHz Impedance: 60 Ω Sensitivity: 100 dB Cable Length: 1.2 m (3.9 ft) Connector: 3.5mm 4-pole (CTIA standard) What’s in the Box: HyperX Cloud Earbuds (Red) 3 pairs of silicone ear tips (S/M/L) Carrying pouch Quick start guide HyperX Cloud Earbuds (Red) 3 pairs of silicone ear tips (S/M/L) Carrying pouch Quick start guide Ideal For: Mobile gamers (PUBG Mobile, Call of Duty, Fortnite, etc.) Nintendo Switch players Commuters and students needing compact, durable audio Gamers seeking console-compatible audio with mic support Mobile gamers (PUBG Mobile, Call of Duty, Fortnite, etc.) Nintendo Switch players Commuters and students needing compact, durable audio Gamers seeking console-compatible audio with mic support
A1953 A1990 Battery Replacement for MacBook Pro 15″ Mid 2018 2019 EMC 3215 EMC 3359 Touch Bar MV902LL/A MV912LL/A MV922LL/A MV932LL/A MV942LL/A MV952LL/A MV962LL/A MV972LL/A MV902B/A MR962LL/A 【Specification】Voltage: 11.4V. Capacity: 83.6Wh 7336mAh. Battery Type: Li-ion. Condition:100% New from Manufacturer. Condition: Brand new, from high quality materials, top circuit boards and smart chip. 【Compatible Part Number】A1953 A1990 (EMC 3215) A1990 (EMC 3359) 020-02391 820-01095 080-333-400 2217-2548 MacBookPro15,1 MacBookPro15,3. 【Compatible Laptop Models】Battery replacement for MacBook Pro (15-inch, Model A1990, Mid 2018, Mid 2019) : MR962LL/A, MR972LL/A, MR932LL/A, MR942LL/A, MV922LL/A, MV932LL/A, MV902LL/A, MV912LL/A, MV942LL/A, MV952LL/A, MV962LL/A, MV972LL/A, MR952LL/A, MV902xx/A, MV912, MV922, MV932, MV942, MV952, MR932, MR942, MR952, MR962, MR972, MUQH2. 【ANTIEE Promise】Everyone of our replacement batteries has tested with strict quality control standards to ensure the true capacity, stable current and low self-discharge. All ANTIEE batteries are UL / CE / FCC / RoHS Certified for safety, we are confident in the performance of the replacement battery.
Laptop Battery for Acer AS10D31 AS10D51 Aspir 4741 5253 5251 5336 5349 5551 5552 5560 5733 5733Z TravelMate 5740 5735 5735Z 5740G Gateway NV55C NV50A NV53A NV59C Laptop Battery for Acer AS10D31 AS10D51 Aspir 4741 5253 5251 5336 5349 5551 5552 5560 5733 5733Z TravelMate 5740 5735 5735Z 5740G Gateway NV55C NV50A NV53A NV59C [6 Cells/58WH] About this item Battery type: Li-ion; Cells: 6-cell; Capacity:5200mAh / 58Wh; Voltage: 11.1V Made of High-Quality Materials, Grade A Battery cells and Packed with Safety Features. Compatible part number:31CR19/65-2 / 31CR19/66-2 / 3ICR19/66-3 / 31CR19/65-2 / AS10D31 / AS10D3E / AS10D41 / AS10D51 / AS10D61 / AS10D71 / AS10D75 / AS10G3E / AS10D / BT.00603.111 / BT.00606.008 / BT.00607.125 / BT.00607.127 / AK.006BT.075 / AS10D73 / BT.00603.117 / BT.00605.062 / BT. 00607.130 / AK.006BT.080 / AS10D75 / BT.00603.124 / LC.BTP00.123 / BT.00604.049 / BT.00605.065 / BT.00607.126 Compatible Models 1:Acer Aspire 4250 4253 4339 4349 4551 4551G 4738 4738Z 4739 4739Z 4743 4743Z 4741 4750 4750G 4755 4755G 4752 4752G 4752Z 4771 5251 5252 5253 5336 5349 5551 5551G 5552G 5560 5560G 5733 5741 5741G 5741Z 5742 5742G 5742Z 5742ZG 5750 5750G 5750Z 5750ZG 5755 5755G 5736 5736Z 7741G 7741Z-5731 7741Z-4643 7551G 7552G 7750Z Compatible Models 2:Acer TravelMate 4740 4750 5335 5542 5542G 5735 5735Z 5740 5740G 5740Z 5742 5742G 5742Z 5742ZG 5744 5760 6495T 7740 7740G 7750 7750G 7750Z 8472 8473 8573 TM5742;Gateway NV57H NV55S NV50A NE56R NV51B NV75S NV77H NE51B NV76R NV52L NV73A NV79C NV56R NV49C.
Genuine-spec touchpad flex cable for MacBook Pro 13″ with Touch Bar (Model A1708, 2016–2017)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 13″ (2016) – Model A1708 (Model Identifier: MacBookPro13,1) MacBook Pro 13″ (2017) – Model A1708 (Model Identifier: MacBookPro14,1) (Both years share the same internal trackpad assembly and flex cable.) MacBook Pro 13″ (2016) – Model A1708 (Model Identifier: MacBookPro13,1) MacBook Pro 13″ (2017) – Model A1708 (Model Identifier: MacBookPro14,1) (Both years share the same internal trackpad assembly and flex cable.) 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.
Keyboard for Macbook Pro A1502 ,A1582,A1493 13" Inch Retina Year 2013,2014,2015 Part no ME864 ME864LL/A ME866LL/A APN: 661-8154, 661-02361, 818-4278 Black US Layout Keyboard for Macbook Pro A1502 ,A1582,A1493 13″ Inch Retina Year 2013,2014,2015 Part no ME864 ME864LL/A ME866LL/A APN: 661-8154, 661-02361, 818-4278 Black US Layout Compatibility: FOR MB Pro Retina 13″ A1502 Late 2013: ME864LL/A (2.4 Core i5) Late 2013: ME866LL/A (2.6 Core i5) Late 2013: ME866LL/A (2.8 Core i7) Mid 2014: MGX72LL/A (2.6 Core i5) Mid 2014: MGX92LL/A (2.8 Core i5) Mid 2014: MGX92LL/A (3.0 Core i7) Early 2015: MF839LL/A (2.7 GHz Core i5) Early 2015: MF841LL/A (2.9 GHz Core i5) Early 2015: MF843LL/A (3.1 GHz Core i7) Identifying Numbers APN: 661-8154, 661-02361, 818-4278 Compatible part numbers: ME864 ME865 ME866 MF839 MF841 MF843 MGX72 MGX92 (Layout US) Related Part #: 661-8154, 661-02361, 818-4278 High Quality Laptop Keyboard. 100% Compatible with your brand.
The Moxom MX-ST05 Safety Power Strip combines 4 AC outlets with 8 USB charging ports (6×USB-A + 2×USB-C). It supports up to 2500W / 10A total load and delivers 17W USB fast charging, making it a compact all-in-one power and charging hub for home or office use. ⚡ 12-in-1 Power Hub: 4 AC sockets plus 8 USB ports let you power and charge many devices at once. 🔌 High Power Capacity: Handles up to 10A / 2500W total output for laptops, monitors, chargers, and appliances. 🔋 USB Fast Charging: 6×USB-A + 2×USB-C deliver up to 5V/3.4A (17W max total) for phones, tablets, earbuds, and accessories. 🛡️ Safety Protection: Built-in protection against over-voltage, over-current, overheating, and foreign-object detection. ⏻ Main Power Switch: One-touch on/off button to cut power safely to all connected devices. 🧊 Durable Build: Made from ABS + PC materials for heat resistance and long-term durability. 📏 Long Cable: Comes with about 1.8–2.0m cord for flexible placement.
This replacement touchpad for MacBook Air A2179 comes in Rose Gold and is sold without the flex cable. Perfect for restoring smooth trackpad performance, it’s ideal for repair technicians and users replacing a damaged or non-working touchpad. The MacBook Air A2179 Touchpad (Rose Gold) is a high-quality replacement part designed to restore full trackpad functionality to your laptop. Whether your original touchpad is unresponsive, physically damaged, or experiencing tracking issues, this replacement provides a reliable solution. Please note that this unit is without the flex cable, meaning it requires the original flex or a separate replacement flex for installation. Ideal for repair shops and technicians, it ensures smooth navigation and precise control. Compatible with MacBook Air A2179 Rose Gold Color Match for original look and finish Replacement Touchpad Only (without flex cable) Restores Smooth Trackpad Functionality Precision Tracking & Gesture Support (when installed correctly) Ideal for Repairs & Replacements High-Quality Build designed for durability and long use Designed specifically for Apple MacBook Air A2179 models. Recommended for technicians and repair shops or users replacing a faulty touchpad. Ensure compatibility before purchase and note that a flex cable is required for installation.
Replacement cable for MacBook Pro A2794, designed to restore proper connection and functionality for damaged or faulty internal cables. Ideal for technicians and repair shops, ensuring reliable performance and correct fit for A2794 models. Type: USB-C to USB-C charging/data cable Model: A2794 Length: 2 meters (≈ 6.6 ft) Color: White Design: Woven braided cable for durability Connectors: USB-C (Male) on both ends Power Delivery: Supports up to 240 W high-power charging when used with a compatible USB-C PD adapter Data Transfer: USB 2.0 transfer speeds Designed for fast charging and syncing between USB-C devices
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.
