Automatic Stop Charging 4Bay 3.7V Li Battery Charging adapter USB Port For Multiple Devices Safe Reverse Polarity Protections

Features: The 4slot 18650 battery charging adapter features advanced safety protections including overcharge, reverse charge, and short circuits prevention, compatible for multiple lithium batteries (10440,14500,16340, 16650,14650,18350,18500,18650) and USB powered devices for versatilitys charging. Equipped with individual charging slots, double color LED indicators, and intelligent control, it ensures precise charging termination and safeguards against overcharging for extended battery lifespans. Design for enthusiasts and professionals requiring reliable power solution for flashlights, drones, and other 3.7V lithium batteries operated electronics. Effortlessly charge multiple batteries simultaneously at homes, in workshops, or during outdoor activity using USB port from laptops, powerbanks, or standard wall adapters. Its durability ABS plastic construction houses intelligent circuitry that automatically detects battery status, delivering optimized charging speed while preventing energy waste and device damage.

Specifications: Component:Plastic 4Slot Battery charging adapter Size:Approx.133x90x35mm/5.24x3.54x1.38inch Power Cord Length:Approx.0.5m/19.69inch Input:DC5V/1 A-3A Output:4.2V-2000MA Compatible for lithium batteries model: 10440,14500,16340, 16650,14650,18350,18500,18650 Rechargeable Battery;

Package Includes: 1pc USB Battery Charging Box

note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.