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4-Slot Smart Portable USB Charger for Li-ion 14500 18350 18500 18650 26650 3.7V Lion Battery Charger BH04U Model:BH-042100-04U Product size: about 90*30*122mm/3.54*1.18*4.8in LED: Charging: Red ON FULL: Green ON Material: ABS Power supply: Conventional USB DC 5V power supply Input voltage/current: DC 5V 1-2A Output voltage/current: DC 4.2V 1000mA Circuit power:20W Net weight:102g Package weight:9.2*3*15cm Gross weight:116g Certification: CE FCC Compatible battery model:10440 14500 16330 16340 16650 14650 18350 18500 18650 21700 26650 Operating temperature:0-35 ℃ Storage temperature:-25 ~ + 60 ℃ Features:4 slots independent charging Note: -The product is measured by hand and may have an error of 0.1 cm - 1 cm. -Due to factors such as photographic equipment, the actual items -may differ from the pictures, please understand. -Have a pleasant shopping experience and have a pleasant life. Thank you.