BIQU Panda Cooler A1 & A1 Mini Smart Cooling Fan

Name: BIQU Panda Cooler A1 Smart Extruder Cooling Fan with RGB
Brand: BIQU
SKU: 34069
Price: 35.99 USD
Availability: InStock

BIQU Panda Cooler A1 extruder cooling fan with RGB, main image

BIQU Panda Cooler A1 Smart Extruder Cooling Fan with RGB

$35.99

SKU 34069 MPN 1060000843

Confirmed fit

A1
A1 Mini

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Pushing your Bambu Lab A1 or A1 Mini to its absolute limits? Keep your hardware safe and add a massive splash of color with the BIQU Panda Cooler A1. This high-performance smart cooling fan upgrade is driven by an onboard ESP32-C3 chip, combining active stepper motor cooling with intelligent WebUI control and vibrant RGB lighting.

During long, high-speed prints, the extruder stepper motor can get uncomfortably hot, which can indirectly lead to thermal instability, stringing, or extrusion issues. This cooler actively drops those motor temperatures by an impressive 15–25°C. Plus, thanks to its plug-and-play design, it taps directly into the toolhead—meaning you get active cooling, wireless RGB control, and an extra power source without having to route any ugly cables back to the mainboard.

BIQU Panda Cooler A1 Smart Extruder Cooling Fan with RGB

Features

ESP32 Smart Control: The built-in ESP32 chip enables wireless WebUI access. Simply connect via WiFi to easily configure your network, adjust fan speeds, and dial in your lighting.
Massive Temp Reduction: Actively cools the extruder stepper motor, lowering running temperatures by 15-25°C during marathon print jobs for rock-solid reliability.
Customizable RGB Lighting: Personalize your printer with 16 million colors, dynamic effects, brightness control, and animation speeds.
Intelligent Auto-Activation: Automatically activates based on your print status, providing optimal cooling without requiring manual intervention.
Plug-and-Play Installation: A direct fit for the Bambu Lab A1 series. Simple wiring right at the toolhead with absolutely no firmware modifications required.
Expansion Ready: Features a convenient extra 24V port, originally intended for the BIQU Knomi, but perfect for powering other custom toolhead mods!

Real-World Maker Tips (Setup & Mods)

We love our community of tinkerers! Based on real customer feedback, here is what you need to know before installing:

The Fan is Powerful (and Loud): To drop temps by 25°C, this fan moves a lot of air, making it noticeably louder than the stock setup. Maker Fix: Many users install a small step-down buck converter (like an LM2596 or Mini 360) inside the housing to drop the fan voltage from 24V to 12V, making it virtually silent while still providing plenty of cooling.
Modder's Dream (Free STLs): BIQU provides the STL files for the housing! Want to show off the RGB lights better? Print a custom housing in transparent PETG. Need room for that buck converter? Remix the file and make it your own.
Cable Routing: A few users noted that the included bracket for routing the nozzle LED cable is a bit thick. If you find it cumbersome during installation, a standard zip-tie works perfectly as a low-profile replacement.

Specifications

Feature	Specification
Product Type	Smart Toolhead Cooling Fan & RGB Controller
Microcontroller	ESP32-C3
Cooling Performance	15–25°C Motor Temp Reduction
Lighting	Fully Customizable RGB (16M Colors)
Expansion	1x Extra 24V Power Port
Compatibility	Bambu Lab A1, Bambu Lab A1 Mini

What's in the Box

1 × BIQU Panda Cooler A1 Unit
Installation Hardware & Wiring

About this product

What problem does the Panda Cooler A1 solve?

During long, high-speed prints the A1's extruder stepper motor can run hot enough to cause thermal instability, stringing, or extrusion inconsistency. The Panda Cooler actively drops motor temperature by 15-25°C using a dedicated toolhead-mounted fan, which keeps performance stable on marathon prints rather than letting heat build up unmanaged.

Is this fan loud?

Yes, noticeably louder than stock — moving enough air to drop temps by 25°C makes noise. Community feedback shows many users install a small step-down buck converter (LM2596 or Mini 360) inside the housing to drop the fan voltage from 24V to 12V, making it far quieter while still providing solid cooling.

Does this require firmware changes to work?

No — it's plug-and-play, wiring directly at the toolhead with an onboard ESP32-C3 chip handling WiFi control, fan speed, and RGB lighting independently. No firmware modifications to the printer itself are required, and it auto-activates based on print status. That plug-and-play design also means a failed or reverted firmware update on your printer won't affect the cooler's own WiFi control, since the two systems operate independently.

Is this only for the full-size A1, or does it fit the A1 Mini too?

It's compatible with both the Bambu Lab A1 and A1 Mini — a direct toolhead fit for the A1 series generally, not exclusive to one variant, so you don't need to check separate fitment specs between the two A1 models before ordering.

Can I use the extra port for other toolhead mods?

Yes — the Panda Cooler A1 includes an extra 24V port originally intended for the BIQU Knomi accessory, but it works equally well for powering other custom toolhead mods, making it a useful expansion point beyond just the fan and RGB functions. Since it runs off the same 24V rail as the fan and RGB system, anything you power through it draws from the toolhead's existing wiring rather than requiring a separate power tap back to the mainboard.

Do I need to recalibrate anything after installing?

No firmware or motion-system recalibration is needed, since it installs at the toolhead without altering print geometry. If you notice any change in extrusion behavior after install, check that all wiring is seated correctly at the toolhead connector rather than assuming a calibration step is missing.

Good to know

Ordering & Shipping

We currently ship within the United States. Most in-stock orders placed before 12:00 PM CT ship the same business day.

Shipping is free on orders over $50; below that, flat rates start at $4.99 on orders over $25. You'll get a tracking number by email as soon as your parcel is on its way.

Payments & Billing

We accept all major credit cards, Shop Pay, and the accelerated checkout options shown at the top of the cart. Your card is charged when the order is placed.

Need to change or cancel an order? Email us right away and we'll do our best to help before it ships.

Returns & Refunds

Unused, unopened parts can be returned within 30 days in their original packaging. A flat $4.99 return shipping fee applies — email us first and we'll send return instructions.

Received the wrong item or something arrived defective? Contact us right away and we'll make it right with a replacement or full refund, no return fee in that case. Full details on our return policy page.

Product & Compatibility

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Ordered the wrong part? Email us. We'll help you find the right fit or sort a return.

Support

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