Feature: 1. Quick Charging: Enabling dual USB output, this volt buck board will provide you with quick and stable charging. 2. DC Buck Module: Can convert DC 6‑26V input in to DC 5.2V output, and the efficient conversion also has low loss. 3. Extensive Uses: Comes with wide compatibility, can be used to charge various mobile phones, reliable and useful. 4. Reliable Using: Equipped with work indicator light, and socket with standard gold plated contacts, works safely. 5. Easy to Install: There are 4 installation holes on the module, which makes the small component easy to install. Specification: Item Type: Buck Charger Product Size: Approx. 28 x 33 x 8mm / 1.1 x 1.3 x 0.31in Product Weight: Approx. 5.5 g / 0.19 oz Input Voltage Range: 6-26V Output Voltage: 5.2V (Considering the loss of the charging circuit, the output end is about 5.2V, and the load end is about 5V). Output Current: 3A (Without heat sink, the stable output current is 2A). Electrical Parameters: Item Minimum Value Typical Value Maximum Value Unit Standby Current (Ven=0V) 15 20 25 uA No Load Current 8 12 16 mA Input Voltage 6 12 26 V Output Voltage 5.1 5.25 5.4 V Output Current 0 3 3 A Over Current Protection Current 5 5.5 6 A Turn On Internal Resistance 80 100 120 mΩ Operating Frequency 335 385 435 KHz High Temperature Protection 155 160 165 ℃ Conversion Efficiency (I=7V,O=5V) 94 96 98 % Ambient Temperature -40 25 85 ℃ . Package List: 1 x Buck Charger