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Ultrafire WF-139 Charger
Product Description
This UltraFire Li-Ion intelligent charger (model WF-139) has two independent charging channels for 18650/17670s. With its spring loaded -ve contacts, it will also charge 18500/17500/14500 & R123's. Charging current is 450mA per channel. Worldwide voltage 100-240V (50/60Hz). The stopping voltage of this charger is 4.17-4.23V.
(Note : The two horizontal slots are not connected and won't work. It requires spacers (included) to charge R123's).
**The red LEDs will blink every few seconds when the Samsung IC checks the feedback voltage from the battery. In fact, it will check the feedback 3 times during every blink. It is the designed charging parameter of the charger and is perfectly normal.
(Note : The two horizontal slots are not connected and won't work. It requires spacers (included) to charge R123's).
**The red LEDs will blink every few seconds when the Samsung IC checks the feedback voltage from the battery. In fact, it will check the feedback 3 times during every blink. It is the designed charging parameter of the charger and is perfectly normal.
