It can charge 12V lithium batteries. However, there is no protection circuit, and the charging time and charging current must be strictly controlled. Otherwise it is very dangerous.
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No. 1 Different charging currents between the two. 2 The two have different charging modes. 3 The two have different charging termination voltages.
The specifications of the charger are often expressed by the output voltage and maximum charging current, while the battery is generally only marked with the nominal voltage value and capacity value (ampere-hour or milliampere-hour), and the current value will not be marked.
The charging voltage and the charger with the same specifications of the charged battery can be used, but pay attention to the charging current can not be too large, it is recommended that 0.1C is appropriate (such as 38 amp battery, charging current is recommended to 3.8 amp), so if your battery is 12V\/30Ah, then the charger you use should use current limiting (such as series current limiting resistance or adjust the output voltage), Make the charging current 3A. Charging with too much current will shorten the battery life.
Can not, first of all, the voltage is too low to exceed the voltage of the battery, so that it can not be rushed into the voltage, only the voltage can be adjusted high, generally speaking, 12 volts can be adjusted at 12.8 to 13.8 volts or so to charge the battery, otherwise there is no understanding of the plug, to adjust the charging voltage to be stable, the current is constant faster.