Solar charger circut

The photo voltaic panel centered charger described right here is capable of charging direct acid, Ni-Cd And Lithium-ion batteries. This circuit diagram is created for any photo voltaic panel which can be capable of delivering 5W power. The photo voltaic panel outputs 16.5V. it could provide a present of 300-350 mA.lead acid, Ni-Cd and Li-ion. The lead-acid batteries are normally employed in emergency lamps and UPS.

Working on the Circuit

The output on the photo voltaic panel is fed via polarity protector diode 1N5402 (D1). The solar battery charger present could be monitored through ammeter linked in sequence in between diode D1 and also the fuse. Diode D2 is employed for safety towards reverse polarity in circumstance of incorrect relationship on the lead-acid battery.

The circuit can demand the pursuing sort batteries with rated voltages.

• A. direct acid twelve volt battery
• B. Ni-Cd 1.2V - 4 cell
• C. Li-ON 3.6 volt Battery.

To demand a direct acid battery, shift change S1 to ‘on’ placement and use connector ‘A.’ To demand Ni-Cd cells, placed switches S1 and S3 to ON placement and use connector B. be aware that IC 7806 work being a continuous present source. Resistor R2 limits the charging current.

To cahrge LI-ON battery, shift switches S1 and S2 to ON placement and use connector C. Regulator IC 7805 (IC2) offers 5V for charging the Li-ion battery.

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