A battery sharing system (100) is disclosed in the present invention. The system includes a number of rechargeable battery packs (101...107), at least one charging device (201, 202) and a monitoring device (300). A portion of rechargeable battery packs are...

A charging station which has a battery cell balancing system is disclosed. The charging station includes: a number of balancing charging units, each has: a detecting element for detecting a state of charge of a battery cell; and a charging element for proc...

A detachable modulized battery charging assembly for electric vehicles is disclosed. The detachable modulized battery charging assembly includes a number of charging units for charging rechargeable batteries of electric vehicles while the rechargeable batt...

A battery pack (100) having a cooling system is disclosed. The battery pack includes battery units (101) linked in series or in parallel and arranged in a plane; thermal conducting bars (102) each has a number of side walls and two ends, averagely located ...