Ltc1871 DC DC Step up Booster Converter 3-35VDC to 3.5-35VDC + LED

Welcome to our shopOur store has more types of products. If you have any question please contact us we will do our best to make you enjoy a Happy ShoppingInput voltage range : 3-35V DC Output voltage range : 3.5-35v DCEfficiency : 96.7%(max) Output current : 6A(max)Voltmeter range:4 to 40V,error +-0.1vL * W * H = 6.7 x 4.3 x1.2 cm(approx.) When adjust the blue potentiometer ,please use a multimeter to monitor the voltage Rotating Clockwise can rise the voltage while rotating  counterclockwise could lower the voltage When the module output voltage can not be adjusted ( the output voltage is always equal to the input voltage ) Please adjust the potentiometer counterclockwise 20 laps (20 turns) or more till it works.The image is for illustration   1,Shipping Warranty:We usually ship goods By DHL, UPS, EMS, Singpost airmail, and HongKong Airmail.DHL: 3-5 daysUPS: 5-7 daysEMS: 10-15 working daysChinapost/HongKong Airmail: 7- 25 working days. At most 45 days.If you have not received the goods during the normal time, please contact us for checking the package status timely online or by email. 2,Product replacement and warranty  If you have any prodcut quality problem, you can send it back to us with the  original  condition,we will repair or  exchange new one for you.     If you have any using problem of the products which buy from TWE, please feedback to us first, and we will discuss the issue with you. Via our technical support, we can dig out your using problem via our technical support in most of cases.   Lost Products: If products get lost in delivery, or you still do not get your item for a long time, please contact our customer service timely. We will deal with this ASAP. Please do not deal with it all by yourself, we want you communicate with us. Usually, we will provide tracking number and tracking link timely. If products get lost on the way and we get confirm from couriers, we will arrange redelivery for your products. If you want ship it through express, then you need to pay express shipping fee.  3,Technical Service: . If you have technical problem with the product you received from us, please contact us online or by email: Contact us Remote help service:   If your problem needs to be solved by remote help by our engineer, please download the teamviewer software, install it on your computer, then give us ID and password for remote help. Wish You Have A Pleasant Purchasing Time! /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1