Universal Multi-Size Compatibility: Adjustable spring slider bay accommodates various 3.7V Li-ion battery sizes, including 18650, 14500, 16340, and 26650 cells.

Foldable EU Wall Plug: Integrated fold-out two-pin EU plug allows direct insertion into standard electrical outlets without additional cables.

Single-Bay Charging Design: Compact, portable dock dedicated to charging one lithium-ion battery safely and efficiently at a time.

Built-in Safety Protections: Designed with safeguards against short circuits, overcurrent, and overcharging to extend battery lifespan.

Includes 18650 Batteries: Comes paired with high-capacity 3.7V Li-ion 18650 rechargeable batteries for immediate use out of the box.