NL166 RCR123A RECHARGEABLE CR123A
Capacity: 650mAh
Voltage: 3.7V
Charging Current: 650mA MAX (300mA recommended)
Watt Hours: 2.4Wh
Warning: Do not use two rechargeable batteries in one light. Most lights will not accommodate the combined voltage of 7.2v. Please check with your light manufacturer before stacking two NL166 batteries.