Normally battery Charger Circuit, will use the way gives Stabised Current or stable current. For this circuit also the integrated circuit LM723 and electronic parts a few with follow the circuit appraise R1 = 11ohm for fix current at 60mA. We can seek the value R get from R = 700/I and The transistor 2N3055 add keep for enlarge current the paramour at LM723 , durable get , make have the wastage of power to electricity work about 1.6Watt only. For voltage output be valuable about 7.5V then choose use battery voltage low get only. The detail is other, Friends see in the circuit has please yes.
LM723 current source
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