Key Features

1. One-Handed Operation – Two Button Designs

Choose from two grip methods with dual button layouts. Press the button to move tin wire – no more juggling a soldering iron and solder wire separately. Complete soldering tasks smoothly with a single hand.

2. Adjustable Solder Feed Speed

A built-in sliding control lets you adjust the movement speed of the solder wire to match different soldering needs. Whether working on delicate PCB joints or rapid soldering, you get the right feed rate every time.

3. Built-in Rechargeable Battery

Equipped with a 320mAh battery (5V/2A charging), the BST-820 can be used cordlessly or while plugged in. Enjoy true portability and freedom on your workbench or in the field.

4. Wide Solder Wire Compatibility

Supports tin wire diameters from 0.6mm to 1.5mm. The motor-driven feed ensures fast and consistent tin dispensing without jamming.

5. Durable Metal Dual Gears

High-hardness metal gears provide excellent wear resistance for long-term reliability. The fully enclosed tin wire pipeline keeps the wire straight and ensures smooth, uninterrupted feeding.

6. Adjustable Tin Wire Pipe & Handle Buckle

The length of the tin wire pipe and the handle buckle can be adjusted to find the optimal operating position for your comfort and precision.

7. Lightweight & Ergonomic

Weighing only 58g (net) and made of PC+stainless steel, the BST-820 is easy to grip and highly portable. Its compact size (86×33×25mm) fits perfectly in your palm.