Patent ID: 7812566
Filing Date: 2010-10-12
Classification: H02J

Abstract:
1. A battery charging device, comprising: an adapter configured for connecting to a power supply: at least one regulating circuit electronically connected to the adapter, and configured for regulating charging electric potential and charging current: the regulating circuit including a first regulator, a second regulator, a first regulating resistor, and a second regulating resistor; each of the regulators including an inputting connector, an outputting connector and a regulating connector, the inputting connector of the second regulator electronically connected to the adapter, and the regulating connector of the second regulator electronically connected to the inputting connector of the first regulator˜the outputting connector of the first regulator electronically connected to the regulating connector of the first regulator by the first regulating resistor; one end of the second regulating resistor electronically connected to the regulating connector of the first regulator, and also electronically connected to the outputting connector of the first regulator by the first regulating resistor; the other end of the second regulating resistor electronically connected to a grounding resistor; the first regulator, the second regulator, the first regulating resistor, and the second regulating resistor cooperatively regulating the charging electric potential; and an attaching mechanism electronically connected to the regulating circuit, and configured for attaching different types of batteries to the charging device and electronically connecting batteries to the battery charging device to be charged.