Compatible for：RCR123A lithium-ion rechargeable batteries. Please DO NOT use this charger to charge any Non-Rechargeable CR123A Batteries . Usage with non-rechargeable battery can lead to possible fire or charger failure.
LED Indication: Red -- charging, Green -- fully charged, more personality. USB Input: With USB input, portable and mini, very convenient for traveling.
Safety assurance - With advanced MCU control system, intelligent △V and -△V cut-off charging method, the charger turn to trickle charging automatically to prevent the batteries from over-voltage, over-current or over-heat.