Professional 3 Slot Battery Charging System For 18650 26650 21700 Cells With Safety Circuit Design

Features: Universally 3 slot charging designed for 18650/26650/21700 batteries with advanced safety protections against overcharge, short circuit, and reverse polarity. Features four independently charging channels with color LED indicators and USB 5V compatibility for flexible power sourcing from laptops or portable devices. Essential for outdoor enthusiasts, flashlight users, and professional requiring reliabled power management for high capacity batteries. Optimize your work space or camping setup by simultaneously charging multiple batteries for headlamps, tactically gear, or backup devices. Engineered with ABS fire resistant housing and intelligent circuit control ensuring stable performances across diverse environments while prioritizing user safety.

Specifications: Product name: Multifunctional USB three-slot charging Input voltages: DC5V1-2A Output voltages: DC4.2V1000MA Product size: about 77x110x24mm For 18650/26650/21700 batteries Power supply: regular USB power supply Shell materials: ABS flame retardant plastic

Package Includes: 1PC 3-slot 26650 battery charging 18650 battery box

note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.