Charging 4 divices, without interference
When fully charged, it will stop automatically and will not be overcharged
Red light when charging, green light when fully charged
Specification:
Product: 18650 Charger
Model: BH-042100-04U
Input voltage: DC 5V 1-2A USB
Output voltage: DC 4.2V 1000mA
Size: 90*30*122mm
Certification: CE, EMC, FCC
Battery model: Compatible with 10440 14500 16340 16650 14650 18350 18500 18650