The UltraFire 3.6/3.7V battery charger can charge 2 PCS 3.6V batteries or 2 PCS 3.7V batteries or 1 piece 3.6V and 1 piece 3.7V battery. The charger has two separate charger channels and is auto-off as batteries are fully charged. With the charger、 you can save a lot of money and make a great contribution to the environment. This is a necessary battery charger for your devices using the 3.6V / 3.7V battery.<br>  Charges all 3.6/3.7V lithium batteries (such as 18650 and CR123A*)<br>Charge single or two batteries at a time <br>Two separate charging channels - batteries can be mix-charged<br>Auto-off when batteries are fully charged<br>UltraFire Model: WF-139<br><br>        <br />The UltraFire 3.6/3.7V battery charger can charge 2 PCS 3.6V batteries or 2 PCS 3.7V batteries or 1 piece 3.6V and 1 piece 3.7V battery. The charger has two separate charger channels and is auto-off as batteries are fully charged. With the charger、 you can save a lot of money and make a great contribution to the environment. This is a necessary battery charger for your devices using the 3.6V / 3.7V battery.<br />&nbsp; Charges all 3.6/3.7V lithium batteries (such as 18650 and CR123A*)<br />Charge single or two batteries at a time <br />Two separate charging channels - batteries can be mix-charged<br />Auto-off when batteries are fully charged<br />UltraFire Model: WF-139<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;                                                                                                                                Power source<br />100V/220V auto AC switch<br /><br />Compatible batteries<br />- 3.6V/3.7V CR123A*、 18650、 14500、 CR2*、 18500、 17670、 17500 rechargeable batteries <p align="left">* a spacer is required to charge CR123A/CR2</p><p align="left">* Note: the horizontal contacts (the ones on the sides) are disabled by Ultrafire for unspecified reasons. <strong>kikkoman?</strong>reported that these?disabled?contacts?can be?re-activated by modding the charger?(connecting a few soldering points):?http://img293.imageshack.us/img293/4606/dsc00081pi1.jpg. Upon re-activation these horizontal contacts can be used to charge CR123A batteries. You may still need to bend the contacts outward by a bit.</p><p align="left">Output: 4.2V @ 450mA<br /><br />Charging time<br />- 1 to 2 hours for CR123A?batteries<br />- 2 to 4 hours for 18650?batteries<br /><br />Length: 5.31 "<br />Height: 2.36 "<br />Width: 1.18 "<br />Weight: 7.58 oz<br /><br />Length: 13.5 cm<br />Height: 6.0 cm<br />Width: 3.0 cm<br />Weight: 215 gram</p><br /><br /><br />