There is a reason this isn't mainstream.
: The unit can also accept charging input from a solar panel, making it a versatile hub for off-grid touring. Design Variants The Forumslader comes in two primary configurations:
Features integrated buffer batteries (e.g., 3 x 700mAh cells) that ensure a stable 5V/3A USB output even when stopped or at low speeds.
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A: It's unlikely. The Pro V6's USB output is 5V at 3A (15W), which is insufficient for charging a laptop. The 12V output is 48W (12V * 4A), but this is not a standard laptop charging voltage. It is intended for lights and other 12V devices.
The device uses LED blink codes (1-5 flashes) to show charge levels. A green light indicates you are producing more power than you are consuming, while red indicates the buffer battery is draining .
: A more integrated version where the electronics and smaller buffer batteries are housed within the bike's steerer tube , with a charging port built into the top cap. Sourcing & Assembly There is a reason this isn't mainstream
[Review/Tips] Optimizing the Forumslader Pro V6: USB-C, Cache Batteries, and Handling "Power Spikes"
Forumslader Pro V6 is an versatile tool that can benefit a wide range of users, including:
: It features a high-current USB output (up to 3A) and an additional 12V output (up to 4A) which can power specialized equipment or lights. It is intended for lights and other 12V devices
Furthermore, Mercedes-Benz has recently cracked down on "Sicherheitsfreigaben" (security releases). Starting 2018, certain ECUs (SCR/AdBlue systems on diesels) require a "Developer Key" generated online by Mercedes. The V6 cannot generate these keys. You can read those ECUs, but you cannot encode/code them without a genuine online connection.
Buffer batteries prevent "charging start/stop" errors on sensitive smartphones.
The Forumslader (German for "forum reader" or "forum downloader") started as a community project in online bike forums. The core idea was radical: measure a rider’s power output using a strain gauge mounted on the chainstay that measures the deflection of the frame under pedaling load, combined with a magnet-based cadence sensor.