(1) Make sure the contact area of the appliance and the battery is spotless (clean with wet cloth if necessary), then incorporate the battery into the appliance with regard to the polarities (“+”/”-” signs) after air-drying;

(2) Do not mix use old battery with new ones, or mix use batteries same in size but different in types;

(3) Do not heat, recharge or adopt other methods to recover primary /dry battery;

(4) Do not short-circuit;

(5) Do not disassemble the battery, or dispose of in fire;

(6) Cut off the power supply after using the appliance; remove the battery if not used for a long time.