Specification:<br />Product name:Battery Rack for Fire-Foxes FF3\/FF4<br />Compatiable for:4x 18650 battery(battery not including)<br />suit for:Fire-Foxes FF4 \/ FF3 and Fire-Foxes FF2<br />Color:Black<br /><br />Features:<br />1 Battery rack,user can change the batterys,short-circuit,reverse polarity,over discharging protection<br />2 Over-discharge protection against total voltage detection in series, thus requiring battery has good consistency;<br />3 When the battery power is less than about 10%, the system will cut off the power supply and is protected;<br />4 When the current is too large, or repeatedly click switch within a short time, the system will cut off the power supply is protected;<br />5. Under protection status, turn off switch so that it can lift protection;<br />6. Under lower temperature environment, the starting current will be large compared with normal temperature, maybe it will lead to protect, you usually just to start again;<br />7  When placed the battery rack with battery in the falshlight, the switch should be turned off.<br /><br />Package included:<br />1 x Battery Rack for Fire-Foxes FF3\/FF4<br />Note:Not include any battery and flashlight