
Testing standards
GB 4706.18-2005 Safety of household and similar electrical appliances, special requirements for battery chargers
Terms and definitions
The following terms and definitions apply to this document p>
Single voltage external AC-DC power supply with single output type AC-DC external power supply
Products with the following characteristics: a) Converting AC grid voltage to DC low voltage; b) Provide only a fixed DC output voltage for each use; c) Used in conjunction with electrical loads; d) It can be separated from the electrical load; e) Connect to the terminal product through wires, cables, or other permanent connections; f) Not equipped with any batteries p>
Single voltage external AC-AC power supply with single output type AC-AC external power supply
Products with the following characteristics: a) Converting AC grid voltage to ACO low voltage; b) Provide only a fixed AC output voltage for each use; c) Used in conjunction with electrical loads; d) It can be separated from the electrical load; e) Connect to the terminal product through wires, cables, or other permanent connections; f) Not equipped with any batteries p>
Active mode
The input end of the product is connected to the power grid, the output end is connected to the load, and the output current is between zero (excluding) and the rated current.
p>No load mode in no-load state
The input end of the product is connected to the power grid, and the output end is not connected to the load or the load does not consume electrical energy.
p>Active mode efficiency
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