Battery, battery assembly, and user equipment

A battery assembly comprising:

• a bottom housing;
• an upper housing coupled to the bottom housing, wherein the upper housing and the bottom housing form a cavity for housing a battery;
• a first contact set disposed on the upper housing;
• a fastening block;
• a second contact set disposed on the bottom housing;
• a first slide slot disposed on the upper housing;
• and
• a second slide slot disposed on the bottom housing,
• wherein the first slide slot and the second slide slot are complementary to each other,
• wherein the first contact set comprises four raised contacts, wherein the four raised contacts are connected to a second contact, a fourth contact, a sixth contact, and an eighth contact of the battery, respectively,
• wherein the second contact set comprises four recessed contacts, wherein the four recessed contacts are connected to a first contact, a third contact, a fifth contact, and a seventh contact of the battery respectively, and
• wherein the battery comprises a battery management module and a control switch, wherein the battery management module controls opening and closing of the control switch based on a battery capacity of the battery, and wherein the control switch controls charging or discharging of the battery.

A user equipment comprising:

• an electricity load;
• a circuit board comprising a battery management module and a control switch;
• at least one battery assembly comprising:
• a bottom housing;
• an upper housing coupled to the bottom housing, wherein the upper housing and the bottom housing form a cavity for housing a battery;
• a first contact set disposed on the upper housing;
• a fastening block;
• a second contact set disposed on the bottom housing;
• a first slide slot disposed on the upper housing;
• and
• a second slide slot disposed on the bottom housing,
• wherein the first slide slot and the second slide slot are complementary to each other,
• wherein the first contact set comprises four raised contacts, wherein the four raised contacts are connected to a second contact, a fourth contact, a sixth contact, and an eighth contact of the battery, respectively,
• wherein the second contact set comprises four recessed contacts, wherein the four recessed contacts are connected to a first contact, a third contact, a fifth contact, and a seventh contact of the battery, respectively,
• wherein the battery management module controls opening and closing of the control switch based on a battery capacity of the battery, and
• wherein the control switch controls charging or discharging of the battery.