UltraFire 3.6/3.7V Battery Charger

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. Charges all 3.6/3.7V lithium batteries (such as 18650 and CR123A*) Charge single or two batteries at a time Two separate charging channels - batteries can be mix-charged Auto-off when batteries are fully charged UltraFire Model: WF-139 Power source 100V/220V auto AC switch Compatible batteries - 3.6V/3.7V CR123A*, 18650, 14500, CR2*, 18500, 17670, 17500 rechargeable batteries * a spacer is required to charge CR123A/CR2 * Note: the horizontal contacts (the ones on the sides) are disabled by Ultrafire for unspecified reasons. kikkoman 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_small.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. Output: 4.2V @ 450mA Charging time - 1 to 2 hours for CR123A batteries - 2 to 4 hours for 18650 batteries Length: 5.31 " Height: 2.36 " Width: 1.18 " Weight: 7.58 oz Length: 13.49 cm Height: 6.0 cm Width: 3.0 cm Weight: 215 gram