Genuine-spec touchpad flex cable for MacBook Pro 13″ (Model A2251, 2020, Intel)—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, Two Thunderbolt Ports, Model A2251, Model Identifier MacBookPro16,1) 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: Precise touch coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support including Force Click, three-finger lookup, swipe navigation, and inertial scrolling. Precise touch coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support including Force Click, three-finger lookup, swipe navigation, and inertial scrolling. 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 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 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 partial disassembly (including battery disconnect). Cable routes under the right speaker and logic board—must be seated in original retention channels. Connects via ZIF (Zero Insertion Force) socket—align carefully and latch gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and partial disassembly (including battery disconnect). Cable routes under the right speaker and logic board—must be seated in original retention channels. Connects via ZIF (Zero Insertion Force) socket—align carefully and latch gently. Recommended for experienced or certified technicians only.
Wireless freedom with zero compromise. The A4Tech 3330N is a high-performance 2.4GHz wireless combo that combines the GK-3 full-size keyboard with the G3-330N optical mouse. Featuring a 10–15m operating range, 12-month battery life, and 12 multimedia hotkeys, it’s the perfect plug-and-play solution for a clean, cable-free workspace. The A4Tech 3330N Wireless Desktop is engineered for consistent stability and long-term durability. Utilizing advanced Smart Wireless SoC technology, this set minimizes circuit loss and interference, providing a reliable connection that feels as responsive as a wired setup. Key Features: Consistent Wireless Stability: Advanced 2.4GHz powerful wireless connection with a distance of up to 10–15 meters. Auto-channel stabilizing ensures essentially no delays or connection conflicts. Energy Efficient Design: Enjoy up to 12 months of battery life thanks to energy-efficient engineering. The set also features Auto Power Saving with a 4-level sleep mode that activates after just 0.2s of inactivity. Full-Size Multimedia Keyboard: The GK-3 keyboard includes 12 Fn hotkeys for quick access to media controls, along with laser-inscribed keys that never fade and adjustable legs for ergonomic comfort. Precision Optical Mouse: The included G3-330N mouse offers a 1200 DPI resolution for smooth and accurate tracking. Its symmetric design makes it comfortable for both right and left-handed users of all hand sizes. 16-in-One Gestures: The mouse supports 16 different gestures to perform selectable hotkey commands, enhancing your workflow and productivity. Spill-Resistant Durability: The keyboard is designed with built-in drain holes, ensuring that accidental liquid spills won’t end your workday. Specifications at a Glance: Connection: 2.4G Hz Wireless (Nano USB Receiver) Keyboard Model: GK-3 (Full-Size) Mouse Model: G3-330N (1200 DPI Optical) Operating Range: 10 to 15 Meters Hotkeys: 12 Fn Multimedia Hotkeys Battery: 1 AA for Keyboard, 1 AA for Mouse (Up to 12 months) Compatibility: Windows 7 / 8 / 8.1 / 10 / 11
Genuine-quality replacement A1989 battery testing flex cable—brand new and ready for professional MacBook Pro 15" (2018–2019) battery diagnostics and repairs. Genuine-quality replacement A1989 battery testing flex cable—brand new and ready for professional MacBook Pro 15″ (2018–2019) battery diagnostics and repairs. This is a brand-new A1989 Battery Testing Flex Cable, designed specifically for use in MacBook Pro 15-inch models from 2018 and 2019 (A1989) during battery replacement or diagnostic procedures. The flex cable connects the battery to the logic board’s test points, allowing technicians to verify battery health, voltage, and communication before final reassembly—ensuring safe and accurate repairs. Made with high-quality materials and precise engineering, this flex cable matches OEM specifications for fit, function, and reliability. It’s an essential tool for certified repair shops, independent technicians, and advanced DIYers performing battery servicing on T2-chip MacBook Pro models. Please note: This is not a full battery—it is the small flex cable used during battery testing and installation. Proper handling and ESD-safe practices are recommended during installation. Compatible with: MacBook Pro 15″ (2018, A1989) MacBook Pro 15″ (2019, A1989)
lenovo battery L15L2PB4 L15L2PB5 Laptop Battery for Lenovo IdeaPad 310-15ISK 310-15IKB 310-15ABR 310-15IAP 310 Touch-15IKB/15ISK 510-15ISK 510-15IKB L15C2PB5 L15M2PB5 L15M2PB3 L15C2PB3 L15C2PB7 L15S2TB0 7.6V 30Wh About this item Battery type: Li-ion; Voltage: 7.6V/7.72V; Capacity: 30Wh/39Wh Compatible Models: Fit for Lenovo IdeaPad 510-15IKB/510-15ISK Series; IdeaPad 310 Touch-15IKB/310 Touch-15ISK Series; IdeaPad 310-15ABR/310-15IAP/310-15IKB/310-15ISK Series Replace Part Numbers: L15L2PB4 L15L2PB5 L15C2PB5 L15M2PB5 L15M2PB3 L15C2PB3 L15C2PB7 L15S2TB0 L15S2TBO 5B10K88299 8S5B10K88299 2ICP6/54/90 2ICP6/55/90 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. The actual operation time will depend on how much electricity the device requires and how you use it.
BATTERY DELL M5Y1K Laptop Battery for Dell Inspiron 15 5000 5555 5558 5559 3552 3558 3567 14 3451 3452 3458 5458 17 5755 5758 Series Rechargeable 40WH li-ion Battery Replacement Fit GXVJ3 VN3N0 YU12005-13001D About this item 【Specification】Dell laptop Replacement Battery Type: Li-ion; Voltage: 14.8 V; Capacity 2600MAH/40WH; Cells:4-Cell 【Stability】M5Y1K Laptop Battery Replacement battery for Dell offers 500+ recharge cycles over life of battery 【COMPATIBLE MODEL】(Check description below for more models) Dell 40WH Standard Rechargeable Li-ion Battery Type M5Y1K 14.8V YU12005-13001D 453-BR GXVJ3 HD4J0 M5YIK MSY1K Dell Inspiron 14 15 3000 Laptop Replacement Battery 3558 3458 3567 3452 3565 3459 P60G Dell Inspiron 14 15 17 5000 Laptop Battery 5555 5558 5559 5755 5758 5458 Dell Vostro Laptop Battery 3558 3458 Dell Latitude Laptop Battery 3460 3560 【GUARANTEE】Our Dell M5Y1K replacement laptop battery is 100% Compatible with the originals. Complying with the CE/FCC/ROHS/UL Certified Standard
240W USB-C Original Charge Cable (2m) (Second Hand) This 2-meter charge cable—with USB-C connectors on both ends—is ideal for charging, syncing, and transferring data between USB-C devices. Pair the USB-C Charge Cable with a compatible USB-C power adapter to conveniently charge your devices from a wall outlet and take advantage of fast-charging capabilities. USB-C Power Adapters sold separately. 240W USB-C Original Charge Cable (2m) (Second Hand) This 2-meter charge cable—with USB-C connectors on both ends—is ideal for charging, syncing, and transferring data between USB-C devices. Pair the USB-C Charge Cable with a compatible USB-C power adapter to conveniently charge your devices from a wall outlet and take advantage of fast-charging capabilities. USB-C Power Adapters sold separately. This 2-metre charging cable is made with a woven design — with USB-C connectors on both ends — and is ideal for charging, syncing and transferring data between USB-C devices. It supports charging of up to 240 watts and transfers data at USB 2 rates. Pair the USB-C Charge Cable with a compatible USB-C power adapter to conveniently charge your devices from a power point and take advantage of fast-charging capabilities. USB-C power adapters sold separately.
A4tech KR-85 Natural A Rounded Edge Ergonomical Keyboard
Genuine-spec touchpad flex cable compatible with both MacBook Air A2179 (Intel, 2020) and A2337 (M1, 2020)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Air 13″ (2020, Intel) – Model A2179 (Model Identifier: MacBookAir9,1) MacBook Air 13″ (2020, Apple M1) – Model A2337 (Model Identifier: MacBookAir10,1) MacBook Air 13″ (2020, Intel) – Model A2179 (Model Identifier: MacBookAir9,1) MacBook Air 13″ (2020, Apple M1) – Model A2337 (Model Identifier: MacBookAir10,1) ✅ Important Note: Despite different processors (Intel vs. M1), Apple used the same trackpad assembly and flex cable in both A2179 and A2337. This makes the flex cable fully interchangeable between the two models. 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 the right side of the battery and logic board. Connects via a ZIF (Zero Insertion Force) socket—align carefully and latch gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under the right side of the battery and logic board. Connects via a ZIF (Zero Insertion Force) socket—align carefully and latch gently. Recommended for experienced or certified technicians only.
807956-001 807957-001 Replacement HS03 HS04 Laptop Battery for HP 240 G4, 245 G4, 250 G4, 255 G4, 256 G4 Series fits Notebook 14 14G 15 15G HP 807611-421 807611-131 HSTNN-LB6U HSTNN-LB6V About this item Battery Type: Li-ion Voltage: 14.8V Capacity: 2200MAH CELL: 4cell Color: Black. Compatible Models: HP 240 G4 Series, HP 245 246 G4 Series, HP 250 255 256 G4 Series, HP Notebook 14 14g 15 15g Series. Replacement For: HSO4, HSO3, HSTNN-LB6V, HSTNN-LB6U, 807957-001, 807956-001, 807611-421, 807612-421 TPN-C125 TPN-C126 TPN-I119 TPN-I120. 100% New from the Manufacturer, with About 500 recharge cycles over the life of the battery. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety.
Razer DeathAdder Essential – Ergonomic wired gaming mouse with 6,400 DPI sensor and 5 programmable buttons.Trusted for its comfort, precision, and durable build—perfect for casual and competitive gaming. Model: Razer DeathAdder Essential (Black) Sensor Type: Optical DPI: Up to 6,400 DPI (adjustable) Buttons: 5 independently programmable Hyperesponse buttons Switches: Razer Mechanical Switches rated for up to 10 million clicks Tracking Speed: Up to 220 inches per second (IPS) Acceleration: 30G Design: Ergonomic right-handed design Grip Style: Palm grip (with textured side grips) Lighting: Single-color green backlight (Razer logo) Polling Rate: 1000 Hz Cable: Standard USB wired, 1.8 meters (rubber cable) Compatibility: Windows 7, 8, 10, 11 (Razer Synapse support) Weight: Approx. 96g (excluding cable) Software Support: Razer Synapse (for customization & macros)
MacBook Pro A1708 Battery A1713 for MacBook Pro 13 Inch A1708 Late 2016 Mid 2017 (EMC 2978 3164), A2171 Laptop Replacement Battery for MacBook Pro 13 Inch A2159 (2019) A2289 (2020) A2338 (2020) 【Macbook pro 13 Inch battery A1713 & A2171 Battery Specification】– Voltage: 11.4V. Capacity: 54.5Wh / 4781mAh, Battery Type: Li-ion 【Newest 4.0 upgraded OEM Battery for Apple macbook pro】– Japan High Performance Electric Core. Cobalt Proportion: >98%. Upgrade chip. Up to 1500+ recharge cycles over the life of the battery. Overcharger and Discharger Circuit Protection, Ensure fast charges and low power consumption, UL-/CE-/FCC-/RoHS-Certified for safety 【Replacement Battery A1713 for A1708 Macbook pro 13 inch】– A1708 Macbook pro 13” Late 2016: MacBook Pro 13-Inch “Core i5” 2.0 & MacBook Pro 13-Inch “Core i7” 2.4 (MacBookPro13,1, EMC2978, MLL42xx/A, MLUQ2xx/A). — A1708 Macbook pro 13” Mid 2017: MacBook Pro 13-Inch “Core i5” 2.3 & MacBook Pro 13-Inch “Core i7” 2.5 (MacBookPro14,1, EMC3164, MPXQ2xx/A, MPXR2xx/A, MPXT2xx/A, MPXU2xx/A) 【Replacement Battery A2171 for A2159 & A2289 & A2338 Macbook pro 13 inch】– A2159 Macbook pro 13” 2019: MacBook Pro 13-Inch “Core i5” 1.4 Touch & “Core i7” 1.7 Touch (MacBookPro15,4, EMC3301, MUHN2xx/A, MUHP2xx/A, MUHQ2xx/A, MUHR2xx/A, MUHR2xx/B). — A2289 Year 2020: MacBook Pro 13-Inch “Core i5” 1.4 & “Core i7” 1.7 (MacBookPro16,3, EMC 3456, MXK32xx/A, MXK52xx/A, MXK62xx/A, MXK72xx/A). — A2338 Year 2020: MacBook Pro 13-Inch “M1” 8-Core 3.2 (MacBookPro17,1, EMC3578, MYDA2LL/A*)
SS03XL 933321-855 Laptop Battery Replace for Hp EliteBook 840 G5 G6 Notebook 730 735 740 745 830 846 G5 840 G6 735 745 830 G6 ZBook 14U G5 G6 Series HSN-I13C-4 HSTNN-LB8G 932823-421 933321-852 50Wh About this item 【Basic Details】Item Model: SS03XL; Battery Type: Li-ion; Voltage: 11.55V; Capacity: 50Wh/4330mAh; Battery Color: Black. 【Compatible P/N 】SS03XL SS03 933321-855 / 932823-171 / 933321-852 932823-1C1 / 932823-271 / 932823-2C1 / 932823-421 / HSN-112C / HSN-113C-4 / HSN-I13C-4 / HSN-I12C / HSTNN-IB8C / HSTNN-LB8G / HSTNN-DB8J / SS03050XL 【Compatible Laptop Models】HP Elitebook 840 G5/ 730 G5/ 735 G5/ 740 G5/ 745 G5/ 836 G5/ 846 G5 Series; HP Elitebook 840 G6/ 735 G6/ 745 G6/ 830 G6 Series; HP ZBook 14U G5 Series; HP ZBook 14U G6 Series; HP MT44 Mobile Thin Client
The BYL-2207 2-in-1 LAN adapter provides fast and stable wired internet through a Gigabit Ethernet port using either USB-C or USB 3.0. Perfect for laptops, MacBooks, and PCs without an Ethernet port, it ensures smooth streaming, online meetings, and reliable network performance. The BYL-2207 2-in-1 Type-C / USB 3.0 to Gigabit LAN Adapter is designed for users who need a reliable wired connection on modern laptops and devices. It supports both USB-C and USB 3.0, making it compatible with a wide range of systems including MacBooks, ultrabooks, and desktops. With Gigabit Ethernet speed, it provides faster and more stable internet compared to Wi-Fi, making it ideal for work, gaming, and streaming. 2-in-1 Connector (USB-C + USB 3.0) for wide compatibility Gigabit Ethernet Port (RJ45) for fast and stable wired internet High-Speed Performance supports up to 1000Mbps network speed Plug & Play installation on most systems Compact & Portable Design easy to carry anywhere Ideal for Work & Streaming improves stability for meetings and downloads Reliable Connection reduces lag compared to Wi-Fi Ideal for MacBooks, laptops, ultrabooks, desktops, and tablets that need a stable wired internet connection. Perfect for online meetings, remote work, gaming, IPTV, streaming, and downloading.
A dependable pre-owned Lenovo ThinkPad E560 with a spacious 15.6" display, 6th Gen Core i5 processor, 8GB RAM, and a roomy 1TB hard drive—ideal for office work, school, and everyday computing at great value.
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)
The Lenovo 65W USB-C Adapter (20V 3.25A) provides fast and reliable charging for Lenovo laptops and USB-C devices. Compact, durable, and ideal as a replacement or travel charger. ⚡ 65W Fast Charging: Delivers 20V 3.25A output for efficient laptop charging. 🔌 USB-C Connector: Compatible with USB-C powered Lenovo laptops and devices. 👜 Compact & Travel-Friendly: Lightweight design ideal for office, home, or travel use. 🔒 Built-In Protection: Over-voltage, over-current, and short-circuit protection for safe charging. 🧩 OEM-Compatible: Works with many Lenovo ThinkPad, ThinkBook, and IdeaPad models. 🛠️ Durable Build: High-quality cable and adapter construction for long-term use.
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.
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! 🗣️
Apple 96W USB Type-C Power Adapter | MX0J2
PCE M8-700 UPS (line-interactive) — 700 VA / 360 W backup unit for 220–240 V input. Protects PCs, routers, small electronics from outages and voltage swings. The PCE M8-700 is a line-interactive UPS designed for home or small office use. It provides backup power, voltage regulation (AVR), surge protection, and supports automatic switching during outages. Ideal for desktop PCs, network gear, monitors, or point-of-sale systems. Features & Capabilities Line-interactive topology: regulates input voltage without switching to battery when voltage fluctuates mildly. Automatic Voltage Regulation (AVR) to correct undervolt/overvolt conditions. Simulated (stepped) sine wave output in battery mode. Surge, overload, short circuit, discharge protections built in. Cold start capability (ability to power on from battery with no mains) LED + audible alarms for status (battery mode, overload, fault) USB / RS232 interface in some variants for power management (shutdown, monitoring) Technical Specifications What “Input 220–240 VAC, 50/60 Hz, 3.7 A” Means (and Caveats) If the specification you’re giving is “3.7 A” at input, that corresponds to a maximum input current draw when the UPS is handling a heavy load or during charging cycles. At 230 V × 3.7 A ≈ 850 W of input capacity. The unit’s 360 W output means there’s overhead for losses, inverter inefficiency, battery charging, etc. The UPS must operate within the stated voltage and frequency ranges — if input is too low or too high, it may switch to battery or go into protection mode.
