NEW Black 350mAh 510 Thread Battery Pen Solder Iron Shaped Button Battery Set Heat Devices Adjustment Heating Kit

Product features:
1. Advanced Materials: This set of pen shaped button batteries is made of advanced materials, which are durable and practical.
2. Lightweight and compact: This toolkit has a lightweight and compact structure, making it very convenient to use.
3. Fine workmanship: The charger kit is finely crafted to ensure efficient and convenient charging.
4. Simple structure: The charging kit has a simple structure and does not require complex operations.
5. USB connection: The battery pole adopts USB connection, which is convenient and practical.

Parameters:
Color: black, silver,blue,red
Material: Zinc alloy, stainless steel.
Size: approximately 8.7x1.1cm/3.4x0.4in.
Working voltage: 2.6v~4.0v.

Packaging includes:
1 * Pen shaped button battery
1 * USB charger