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Charger Functions

Shenzhen GEO Technology Co.,Ltd | Updated: Aug 23, 2016

1, good quality charger can recognize lithium-ion batteries and nickel-metal hydride batteries and then charging mode. Lithium-ion battery protection circuit board there is a IC on store information characteristics of lithium-ion batteries, lithium battery seat filled recognition on the one hand, to determine the "current" or "constant voltage" charging mode also allows mobile phones to identify the lithium battery on the other hand, to determine discharge.

2, Ni-MH battery charging "current". Rechargeable Ni-MH battery itself is not afraid, when the nickel-hydrogen battery overcharge will have the reverse reaction, to prevent excessive voltage rise, and this response will make the battery heat slightly. In addition, the Ni-MH batteries usually come with a thermistor to prevent battery overcharging. Most of the phone's operating voltage is 3.6V, it takes three nickel-metal hydride battery. Nickel-metal hydride battery overcharge to about 1.4~1.5V in General about stopping, three battery maximum voltage 4.4V.