Yonii manufactures intelligent battery chargers designed for cylindrical rechargeable batteries, including Li-ion, Ni-MH, and Ni-Cd cells for various electronics.
Yonii specializes in the design and manufacturing of intelligent battery chargers for a wide range of rechargeable cylindrical batteries. Their product lineup includes models capable of charging Li-ion, Ni-MH, and Ni-Cd batteries, with popular variants supporting sizes like 18650, 21700, 26650, and the high-capacity 26800 cells.
Built for safety and efficiency, Yonii chargers often feature multi-slot configurations with independent charging channels, LCD displays or LED indicators for monitoring progress, and built-in protections against overcharging, short circuits, and reverse polarity. Whether for flashlights, power tools, or portable electronics, Yonii provides reliable and versatile power management solutions.
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Yonii chargers typically support cylindrical rechargeable batteries, including 1.2V Ni-MH/Ni-Cd (AA, AAA) and 3.6V/3.7V Li-ion cells like 18650, 21700, 26650, and 26800 depending on the specific model.
Most Yonii chargers feature LED indicators that turn red while charging and green when fully charged, or an LCD screen that displays real-time charging status.
Yes, models with independent charging slots automatically detect the battery type and adjust the current, allowing you to charge different sizes simultaneously.
Ensure the battery is inserted with the correct polarity (+ and -). If it still doesn't detect the battery, the cell may be completely dead, damaged, or incompatible with the charger.