UltraFire WF-139 is a top charger , perfect for charging Li-ion batteries . This charger automatically adjusts the Input power and it doesn't overcharge the batteries , because it has a protection system controled by a microprocesor (auto-cut-off) which stops the charging when batteries are fully charged .
You can also charge mixed batteries in the same time using two charging channels .
UltraFire WF-139 charger specifications :
- 100V/220V auto AC switch
- Charge single or two batteries in the same time
- For charging 16340 or RCR123 batteries you will need to use the included spacer .
- Length : 165 mm ;
- Height : 63mm
- Width : 28mm
- Weight : 215 g
- Output voltage : 4.2V @ 450mA
- Charging time : from 2 to 4 hours for 18650 batteries
- Voltage : 100-240 V
- EU-style round pin plug
