3V-4.2V LED Drive Board Type-c Charging Flashlight Drive Switch PCB Circuit Board DIY Light Kit for 18650 26650 Battery

Product Features:1. 3–4.2V input voltage, compatible with 18650/26650 batteries, for enhanced versatility and battery life2. Integrated switch in the middle for convenient one-handed operation, improving the user experience3. Optimized circuit design ensures stable current output, delivering high brightness while saving energy4. High-efficiency driver chip reduces power consumption and heat generation, enhancing performance5. Compatible with a variety of LED chips, making it widely applicable to flashlights from different brandsProduct Specifications:Input Voltage: 3–4.2V (compatible with one 18650 or 26650 battery)Output Current: 2000–3000 mAModes: Five modes (High–Medium–Low–Strobe–SOS)Charging Port: Type-C/Micro USB (customer’s choice)Four-bar battery level indicatorBuilt-in overcharge and over-discharge protectionPackage Contents:Flashlight Driver Board × 1