{"product_id":"vflex-usb-c-cable-bundle","title":"VFLEX + USB-C Cable Bundle","description":"\u003ch1\u003e\u003ca rel=\"noopener\" href=\"http:\/\/werewolf.us\/vflex\/base\/datasheet\" target=\"_blank\"\u003e\u003cstrong\u003eVFLEX Datasheet\u003c\/strong\u003e\u003c\/a\u003e\u003c\/h1\u003e\n\u003cp\u003eA USB-C charger decides for itself what to put on the pins. VFLEX lets you decide instead — a voltage you set, held steady, with no negotiation in the way. That fixes two problems a normal USB-C charger can't.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1. The device that only powers up from its old USB-A charger\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou replaced the charger it came with and now it does nothing. Same cable, same wall socket, no power light.\u003c\/p\u003e\n\u003cp\u003eA USB-C charger won't switch on its output until the device asks for it, and that request is made through a pair of resistors inside the device. Plenty of USB-C powered gear — fans, lamps, LED strips, pumps, label printers, small IoT boxes — leaves them out to save a few cents. It never mattered, because the USB-A charger in the box doesn't ask any questions: it simply puts 5V on the pins. Plug that device into a modern C-to-C charger and the conversation never starts, so the power never arrives.\u003c\/p\u003e\n\u003cp\u003eVFLEX behaves like the charger it shipped with. Voltage on the pins, no handshake, no negotiation — the device just works.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. The Raspberry Pi that keeps flashing the undervoltage warning\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe official Raspberry Pi supply isn't 5V — it's \u003cstrong\u003e5.1V\u003c\/strong\u003e. That extra 100mV isn't a rounding error, it's headroom for the drop across the cable, the connector and the board under load. The Pi's low-voltage detector trips below \u003cstrong\u003e4.63V\u003c\/strong\u003e, and a well-behaved 5.00V charger at the wall can arrive under that at the SoC the moment the CPU ramps or a drive spins up. That's the lightning bolt, the throttling, and the reboots.\u003c\/p\u003e\n\u003cp\u003eA generic USB-C charger gives you 5V and no say in the matter. With VFLEX you set 5.1V to match the official supply — or trim a little higher if a long cable or a hungry HAT is still pulling you down.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVFLEX Base:\u003c\/strong\u003e Programmed to a 5–6V range. It cannot be set outside that window, so the cable can't be dialed up to a voltage that would damage a USB-C device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB-C Adapter Cable:\u003c\/strong\u003e Terminates in a standard USB-C plug for a plug-and-play fit into the device's power input.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy 5–6V\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUSB-C devices expect 5V, and a plug carrying much more than that will damage them — so this bundle's base is locked to the safe window rather than left open across the full VFLEX range. The room above 5V is the whole point: it's what lets you match the Pi's 5.1V, or claw back the drop on a long run. Move in small steps and stop as soon as the device is stable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRequirements\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUSB-C Power Delivery (PD) capable wall adapter or power bank\u003c\/li\u003e\n\u003cli\u003eA device that takes 5V through a USB-C power input\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRaspberry Pi 5 owners, one caveat:\u003c\/strong\u003e the Pi 5 looks for Raspberry Pi's own 5A\/25W PD supply before it will give downstream USB devices their full 1.6A. With any other supply — this one included — it restricts USB peripherals to 600mA. The Pi itself runs fine; if you're driving bus-powered SSDs or several USB devices, use the official 27W supply instead.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This cable delivers a fixed voltage and does not negotiate fast charging. Phones, tablets and laptops that expect to request a higher voltage will charge slowly or not at all — use their own charger for those.\u003c\/em\u003e\u003c\/p\u003e","brand":"Werewolf","offers":[{"title":"Default Title","offer_id":50792116519151,"sku":"VFLEX_BUNDLE_USB_C","price":2000.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/8532\/7855\/files\/01_hero_front_left_rgba_3e5a0cc4-6d21-4a83-9015-ba39d9f11de8.png?v=1791298106","url":"https:\/\/werewolf.us\/ja-jp\/products\/vflex-usb-c-cable-bundle","provider":"Werewolf","version":"1.0","type":"link"}