Abstract: A lock assembly includes a driving member, a locking member, and a latch. The driving member includes a connection end, and a driving end movable with respect to the connection end. The connection end is arranged on a fastener. The locking member is rotatably arranged on a carrier through a first rotation shaft. The driving end is rotatably connected to the locking member through a second rotation shaft. The locking member includes a hook. The latch is arranged on the fastener. The hook is capable of hooking the latch. The driving end is configured to capable of driving the hook to disengage from the latch, and driving the carrier to rotate with respect to the fastener, or the driving end is configured to drive the hook to hook the latch so that the carrier is secured to the fastener.

Abstract: The present disclosure discloses a charging apparatus. The charging apparatus comprises a power source module, a main control circuit, a voltage booster circuit, an adjusting circuit, and an output port. The charging apparatus is configured to charge a vehicle battery or other consumers through the output port. The power source module is electrically connected to the main control circuit and the voltage booster circuit. The main control circuit is electrically connected to the adjusting circuit and the voltage booster circuit. The main control circuit is configured to output an adjusting signal to the adjusting circuit. The adjusting circuit controls the voltage booster circuit to output a first or second output voltage to the output port, according to the adjusting signal. The second output voltage is greater than the first output voltage. The present disclosure provides a plurality of voltages to meet the vehicle battery.

Abstract: The present disclosure discloses a method and apparatus of managing battery. The method includes: obtaining a first and second state parameters; determining whether a first and second batteries meet a predetermined first paralleling condition, if yes, powering on a current-limiting module, powering on the bidirectional DC/DC converter being and delayingly powering off the current-limiting module; obtaining a third and fourth state parameters; determining whether the first and second batteries meet a predetermined second paralleling condition, if yes, powering on the paralleling switch and delayingly powering off the bidirectional DC/DC converter. The present disclosure can output a voltage under relatively safe conditions and achieve power supply safety.

Abstract: Provided are an energy storage power supply, a parallel control device for energy storage power supplies and a parallel control method for energy storage power supplies. The energy storage power supply includes a battery module; an inverter module electrically connected to the battery module; an output module electrically connected to the inverter module; an detection module electrically connected to the output module; an communication module communicated with another energy storage power supply; an switching module electrically connected to the inverter module or the output module; and a processor module electrically connected to the detection module, the communication module and the switching module, and is configured to control, according to the power of a load detected by the detection module, the switching module to be electrically connected to the inverter module or the output module.

Abstract: A method of controlling power supply of a caravan including a photovoltaic plate includes: receiving a first power parameter of an input interface element; determining whether there is a mains supply to be input into the input interface element according to the first power parameter; turning on a first switch to make the input interface element be electrically connected to the output interface element if the mains supply is input into the input interface element; receiving a power parameter of a battery pack if the mains supply is not input into the input interface element; determining whether a remaining power of the battery pack exceeds a power threshold according to the power parameter of the battery pack; and making the battery pack be electrically connected to an output interface element if the remaining power of the battery pack exceeds the power threshold.