10x 3.7V To 12V Mini DC Boost Converter Board Output 5V/8V/9V/12V DC Step Up Module Lith-Battery Boost Voltage Boost Module

10x 3.7V To 12V Mini DC Boost Converter Board Output 5V/8V/9V/12V DC Step Up Module Lith-Battery Boost Voltage Boost ModuleModel: Mini DC-DC Step-Up Converter ModuleOutput Voltage: Configurable to 5 V / 8 V / 9 V / 12 V; factory default = 12 VInput Voltage Range: 2.5 V ~ 5 V. Input voltage must always be lower than the configured output voltage.Output Current Ratings:Powered by 3.7 V lithium battery input: 5 V @ 1 A, 8 V @ 0.5 A, 9 V @ 0.45 A, 12 V @ 0.3 APowered by 5 V input: 8 V @ 0.7 A, 9 V @ 0.7 A, 12 V @ 0.5 AStandby LED Draw (Default 12 V Output): The onboard LED indicator draws approximately 1 mA.Note: If the LED is unlit under no-load conditions, the input current is below 1 mA.Product Dimensions: 22 × 10 × 3 mm (0.9 × 0.4 × 0.1 in)Voltage Configuration InstructionsMarkers "A" and "B" are printed on the front side of the PCB.Adjust the solder pads adjacent to markers A and B with a soldering iron to switch the output voltage:"0" = pad left unsoldered / open circuit"1" = pad shorted via solder jointThe solder pad next to the LED indicator can also be left open to disable the indicator light entirely.1. Full payment must be made within 3 days after order confirmed.2.The buyer is responsible for any tax and/or duty charged by their country.1.All merchandise we sell are in good quality and under strict examination before they are shipped. We will try our best to avoid any quality problem.2. 7 days return policy. Your satisfaction of our products is guaranteed. If you are not satisfied with the product, you may return the goods for exchange within 7 days upon receiving, but please communicate with us before the return.The shipping and handling charge is not refundable and customer should be responsible for all the charges of returning and reshipping. All return items must be in good condition. They must be under resalable condition. Man-made defects are not guaranteed, such as broken, scratched and so on.3.We promise warranty for quality in one year and we will repair it free of charge. The returning shipping should be paid by our factory. Based on mutual trust and understanding, we hope to have a happy cooperation with you. If you have any inquiry, please kindly leave us a message, we will reply you in 24hours.