Ultrafire charger for 10440 / 14500 / 17500 / 17670 / 18500 / 18650 / RCR123 3.7 volt rechargeable batteries. Works on all brands, no charging spacers necessary for any size.

Perfect charger for rechargeable lithium cells, automatically charges them to the level required, will no over-charge cells, will not charge over-discharged cells.

• International worldwide power input 100 - 240V
• Automatically adjusts power input
• US-style flat pin plug
• Premium quality and extremely durable
• Microprocessor-controlled auto-cut-off charging
• Low battery temperature rise
• Will not charge over-discharged batteries
• Use toggles to set milliamps per hour and type of battery