Bambu Lab AC Board for A1 Series V2 (DLB021-V2)

The Bambu Lab DLB021-V2 AC Board is an official replacement circuit board for the Bambu Lab A1 Series 3D printers. It supplies AC power directly to the heatbed, ensuring stable and efficient power distribution for consistent bed temperatures — critical for good first-layer adhesion and reliable print results.

Key Features

• AC Heatbed Power Supply — Delivers stable AC power to the heatbed for consistent and accurate bed temperature control
• V2 Revision — Updated board design for improved reliability over the original version
• Durable Construction — Metal and plastic build for long-lasting performance in a printing environment
• Compact Form Factor — 105 × 54 × 33 mm, lightweight at just 70 g for easy installation
• OEM Bambu Lab Part — Genuine replacement for precise fit and safe electrical performance

Specifications

• SKU: DLB021-V2
• Compatible Printers: Bambu Lab A1, A1 Mini (A1 Series)
• Function: AC power supply to heatbed
• Dimensions: 105 × 54 × 33 mm
• Weight: ~70 g
• Material: Metal and plastic
• Vendor: Bambu Lab

When to Replace

• Heatbed not heating or failing to reach target temperature
• Unstable bed temperature causing adhesion failures
• AC board error codes displayed on the printer
• Visible damage or burn marks on the existing board

In the Box

• 1 × Bambu Lab AC Board for A1 Series V2 (DLB021-V2)

Sold by Indian Hobby Center — authorized Bambu Lab parts supplier in India. Fast dispatch, GST invoice included.