635/638nm 2.1W Red Laser Single Lithium Constant Current Driver 22mm

Description: 635/638nm 2.1W Red Laser Single Lithium Constant Current Driver 22mm Design features： Applicable power: 2.1W Circuit control: 3.7-4.2V constant current buck circuit Size specification: 22mm (diameter) Reverse connection protection: with reverse connection protection Fast start protection: with soft start protection, even if you frequently switch the power supply will not worry about damage to the laser tube Pin definition: red wire to laser tube positive, black wire to laser tube negative Polarity definition: gold-plated plate edge and flashlight shell connected to the negative pole Recommended to use 3.7V lithium battery (16340, 18650, 14500 and 18500 power supply), or directly use 5V DC power supply. Package: 1x 22mm Laser Diode Driver Board Payment Method: PayPal preferred Shippment: 1.We provide free shipping to international via China Post Airmail or Hong Kong Post Airmail, and every parcel will be registered with tracking number. We can also ship by UPS/EMS/DHL/FedEx for alternative shipping method for corresponding fees. Please let us know before payment if you need split shipment. 2.International shipping requires complicated shipping procedures (such as both countries customs, transit stations etc.), also will be affected by many factors, such as holidays, weather conditions etc, If you have not received your shipment within 30 days from payment, please contact us. 3.Time of Delivery:Based on the China Post Airmail or Hong Kong Post Airmail and our experience, kindly please be noted that To United States / United Kingdom / Australia, it takes around 10-15 business days; To Canada, it takes around 12-18 business days; To Brazil / South America, it takes around 25-35 business days. To Italy / France / Spain / Germany/ Eastern Europe, it takes aournd 15-20 business days. Returns & Replacements & Repair： We accept returns & replacements within 30 days from the day the customer receive the products, please make first contact within 30 days from receiving the order. Products should be returned in original condition. As a benefit to our customers, we also provide repair within 3 months from the day when this item is shipped out, after repair is done, we will send you the item, but the customer should pay both shipping ways. Feedback: 1)Your Feedback is really important to us, please take a few seconds to leave great feedback if you are satisfied with our product or service, thank you so much! 2)We always offer the lowest price for best goods and service to you. 3) Please contact us before leaving neutral(3 stars) or negative(1-2 stars) feedback.We will try our best to solve the problem and leave you a happy shopping mood here. Thank you!

Price: 10.11 USD

Location: Wuhan

End Time: 2025-01-22T04:33:31.000Z

Shipping Cost: 0 USD