Able to charge 2 batteries at the same time
Each of the two battery slots monitors and charges independently
Protection against over voltage, discharging, short-circuiting and reverse polarity
Set to fast charger or normal charger
Charger for 3.7 V rechargeable 10440/14500/14650/16340/16650/17650/17670/18350/18490/18500/18650 Li-ion battery

Product specification:
AC input Power AC 100-240V 50 / 60Hz
DC input Power DC 12V 1A
DC output power DC 12V 1A
0.5 CC current 500m A ± 10%
1A CC current 1000m A ± 10%
Automatic switch-off current 4.23 ± 0.05V
Central heating shut-off current <10% max
Standby current <20 mA
TC current (battery voltage 2-2.9V) 10% max current
Activation current (battery voltage <2V) 10m A ~ 20 m A
Maximum output current 1A
Battery output voltage 3.0 ± 0.05V
Auto charging voltage 3.9 ± 0.15 V
Operating temperature -40 ℃ ~ + 70 ℃
Storage temperature 0 ℃ ~ 40 ℃