50 PCS 5.5 x 2.1mm to 4.0 x 1.7mm DC Power Conversion Head Power Connector

1. Material: metal, plastic2. Rated voltage: 12V3. Rated current: 2.5A4. Female head: outer diameter 5.5mm, inner cylinder diameter 2.1mm5. Male head: outer diameter 4.0mm, inner diameter 1.7mm6. Application: suitable for converting a power supply (charger) with a 5.5×2.1 mm interface into a 4.0 power connector for charging laptops, etc.7. Features: good transmission effect, stable quality, convenient installation and use, wide applicability, and durability